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±×Ô×ØÓÙÖÒÒÚÒØÐ×Ö×ÙÐØØ××ÜÔÖÒ×ÙÄÈ<br />

ÜÔÖÒ××ÓÒØÒÒÖÐ×Ò×Ð×ÙÒÖØÒÒÒÖ×νÓÑÑ ×ØÒÖ ÊÐÚÓÒ×ÕÙÐÕÙ×ÙÒ××ÜÔÖÒ×ÔÓÒØÖÐ×××ÙØ× ÒÖÙÖÙÙÜÔÖØÔÖÐÅÓÐ×ÓÐÖ<br />

ËÆÍ ÔÖÐ37ÐÕÙ×ØÖÒ×ÓÖÑÒ37ÖÄØÙÜÑ×ÙÖØØ ÒÕÙ×ÙÖÐÙÖ −36ÔØÙÖ×ÔÖØÓÑØÔÖ×ÓÒÓÑÔÖÖÚÐ×ÔÖØÓÒ× ËÆÍ<br />

ØÐÐÙ××ÔÖÓÙÚÕÙÐ×ÒÐÓ×ÖÚÚÒØÒÙ×ÓÐÐÚÓÖ ØÖÓÒ×ÖÙÐ××Ù×ÓÐÐ×ÓÒ×νÒ×ÐÙÐÐÓÒÖÑÐÜ×ØÒÙ ÄÜÔÖÒÃÅÁÇÃÆÙØÐ×ØÐÐÙÑÖÖÒÓÚÑ×ÔÖÐ×Ð ÞÌÙÖÞ ÄØØÙÖÀÇÅËÌÃÙØÐ×ØÐ×ÓÖÔØÓÒν<br />

± ØÓÖÕÙ×±<br />

Ò71ÐÐÑ×ÙÖÙÒØÙܱ±ËÆÍÓÑÔÖÖÙÒØÙÜØØÒÙ ÙÖ ÄÜÔÖÒÄÄÙØÐ×ØÐ×ÓÖÔØÓÒνÔÖÐ71ÕÙ×ØÖÒ×ÓÖÑ<br />

ÑÓÐÐÐÓÙ±<br />

ÐÔÖ×ÒÓÑÔØÒÓÖÖØØ×ÒÖÔÔÓÖØÚÐ×ÔÖÓÔÖØ××νÓÙÚ ÔÐÙ× ×ÔÖØÓÒ×Ð××ÙÖÐÙÜÒÙØÖÒÓ×ÔÖÓÙØÁÐÖ×ØØÓÒ×Ù×ÔØÖ ÄÅÓÐËØÒÖÙËÓÐÐ×ØÓÒ×ÖÔÖÐ×ÜÔÖØ×ÓÑÑÓÙÖÒ××ÒØ ËÆÍ<br />

ÐÙÖØØÓÒ ÂÆÐÐÒÈÒ×ÓÒÒÙÐØÊÚÅÓÈÝ× ÇÒÔÙØ×ÙÔÔÓ×ÖÕÙÐ×ν×ÔÖ××ÒØÔÖ×ÒØÖØÓÒ×ÔÓÒØÒØØ ËÌÙÖÞØÐ×ØÖÓÔÝ× <br />

ÒÓØÞÕÙÑÓÐÒÖÒÚÓÖÚÐÅÓÐËØÒÖËÅÑÒØÓÒÒÙ§


Ô ÓÒÖÒÒØÐ×ÔÖÓ××Ù×ÔÖÓÙØÓÒÎÓÖÂÆÐÐÆÙØÖÒÓ××ØÖÓÔÝ×× ÑÖÍÒÚÈÖ×× ËÔØÖÒÙØÖÒÓ××ÓÐÖ×Ä×ÒØÓÒ×ÒÔÖÑØÖ×<br />

ÐÙÑÖ ÔÖØÙÐ×ÐÓÖ×ÐÜÔÐÓ×ÓÒÐËÙÔÖÒÓÚÕÙ×ØÖÓÙÚ ÝÔÓØ××ØÒÓÒØÖØÓÒÚÐÓ×ÖÚØÓÒÙÒÓÙÙÖ×Ø× ÇÒÔÙØÔÓ×ØÙÐÖÕÙÐ×ν×ÓÒØÑ×××Ò×××ØÖÒ×ÑÙØØÓÒ×<br />

ντÚÒÒÒØÔÓ××Ð×Ä×Ö×ÙÐØØ××ÜÔÖÒ××Ù× ÒÒ×<br />

ÑÒØÓÒÒ×ÖÔÓ×ÒØ×ÙÖÐÑÔÐÓØØÙÖ××Ò×Ð×ÜÐÙ×ÚÑÒØÙÜνe ÐÔÔÖØÕÙÒ×ÙÒ×ÜÔÖÒ×ÐØØÙÖÒ×Ø×Ò×ÐÕÙ ÐÙÒ×ÓÑÔÓ×ÒØ×ÒØÖØÓÒ×ÓØÐÐÙÙÓÙÖÒØÖÒ ÕÙÔÓÙÖÖØÒØÖÒÖÙÒÙØÒ×ÐØÙÜÓÑÔØÑ×ÙÖ<br />

Ï×ÓØÐÐÙÙÓÙÖÒØÒÙØÖÒØØØØÔÓÙÖÖØØÖ ËÙÖÐ×ÒÓ×ÓÒÒ××Ò×ØÙÐÐ×ÐÒØÖØÓÒÐÚÓÖÔØÖ<br />

ÕÙÐÐ×ÐÐÐÇ×ÖÚØÓÖËÙÙÖÝÓÒØÐØØÙÖËÆÇÐÙÑÖÖÒ ÐÙ×ÙØÙÜÓÒ×ØØØÙÐÓÖÒØÖÐ×Ö×ÙÐØØ× ÊÑÑÒØÙÒÒÓÙÚÐÐÒÖØÓÒÜÔÖÒ×ÓÒØØÒØ×ÔÖÑÐ×<br />

<br />

νe → νµØνµ<br />


ÐÜÔÖÒÃÅÁÇÃÆÐÖØÓÒÙ×ÓÐÐ×ØÔÖ×ÓÑÑÜ ÖÖÒ ×ØÖÙØÓÒÒÙÐÖ×ÚÒÑÒØ×νÒÖ×ØÖ×ÔÖÐØØÙÖ<br />

ÓØÒÙ×ÔÔÓÖØÒØÙÒÖÔÓÒ×ÒÓÒÑÙÜÕÙ×ØÓÒ××ÓÙÐÚ×××Ù×Ä ÚÐ×ÔÖØÓÒ×ØÓÖÕÙ×ÙÅÓÐ×ÓÐÖËØÒÖÔÐÙ××ÒÙØÖÒÓ× ÓÚÜÔÐÓØÐ×ÙÜÓÑÔÓ×ÒØ×ÐÒØÖØÓÒÐ ÙÜÒÙØÖÒÓ×ÙØÙØÓØÐ×ÒØÖØÓÒ×ÒÖ×ØÖ××ØÒÔÖØÓÖ Ä×ÔÖÑÖ×Ö×ÙÐØØ×<br />

ØÖÒ×ÑÙØ××ÓÒØÑ×ÒÚÒÒ×ÐÙÜν×ÓÐÖ× ×ÚÙÖ×ØÓÒÖÑÕÙÑÒÐÓÒÐÙ×ÓÒÕÙÐ×ÒÙØÖÒÓ××ÓÒØÑ××× ØÓÒÙÒÒÓÑÐÒ×ÐÙÜνÔÖ×ÒØ×Ò×Ð×Ö×ÙÖÝÓÒÒÑÒØ ÆÓØÓÒ×ÕÙÒÐÓÐÐÓÖØÓÒËÙÔÖÃÑÓÒÚØÒÒÓÒÐÓ×ÖÚ ÄØÖÒ×ÑÙØØÓÒ<br />

νµÚÖØØÖÐÓÙÐÐÙνeÄÓ×ÖÚØÓÒÑÓÒØÖÙÒØÒ×Ð ØØØÔÛÛÛÔÝ×ÛÙ×ÙÔÖ Ó×ÑÕÙÚÓÖÍÊÄØØÔÛÛÛ×ÖÖÙØÓÝÓÔ×ÒÜØÑÐ<br />

ÌËÆÇÓÐÐÓÖØÓÒÆÙÐÁÒ×ØÖÅØ ÔÔÖÓÜÑØÚÑÒØÐÒÓÑÖ<br />

ÕÙÒ×Ù ÐØØÙÖËÆÇÔÖÑØ×ÐØÓÒÒÖÐ×νeÒÒÖ×Ò×Ð×ÓÐÐÔÖÐÖØÓÒ ØØÔÛÛÛ×ÒÓÔÝ<br />

8 B → 8 Be ∗ + e + + νe


ÙÄÈÓÖÖ×ÔÓÒ ÎÓÖÖ×ÔÓÒ ÌÑÔÖØÙÖÐÍÒÚÖ×ÔÖÑØÒÓÒØÓÒÙØÑÔ×Ä×ØÙØÓÒ<br />

13ÃÐÚÒ −10×Ä×ÙÚ×ÓÒÒÖ×ÓÑÒÒØ××ØÒÕÙ<br />

ÓÑÔØ×νµÓÑÔØÐÚ∆m 2 ÔÖØÙÐ×ØÐ×ØÖÓÔÝ×ÕÙ ÖÔÓÒ×ÒØÚÐÓÖÒÐ×ÝÑØÖÑØÖÒØÑØÖÐ×ØÖÙØÙÖ ÒÓ×ÑÓÐÓØÓÒ×ÔÖÑÐ×ÔÖÓÐÑ×ØÙ×ÙÜÕÙÐ×ÓÒÒÔ×ÒÓÖ ÇÒÐ×ÜÑÔÐ××ÙÔÔÐÑÒØÖ×ÒØÖÓÒÒÜÓÒ×ÒØÖÐÔÝ×ÕÙ×<br />

ÖÒÐÐÐÍÒÚÖ×ÐÒØÙÖÐÑ××ÑÒÕÙÒØØÐÒÖ ÒÓÖÄ×ÒÖ×Ñ××ÒÓÙÚÖÒ×Ð×ÓÐÐ×ÓÒÒÙÖ×ØÐ×ÕÙÄÈ×ÓÒØÙ ÑÑÓÖÖÕÙÐÐ×ÕÙÖÒÒØÒ×ÐÍÒÚÖ× ÄÙØÙÖÄÀÙÊÆÔÖÑØØÖÒÖ ÕÙÐÖÓ××ÑÒØ×ÒÖ×××Ð×Ò×Ð×ÜÔÖÒ×ÔÝ×ÕÙ× ÔÖØÙÐ×ÓÒÒ××ÒÓÖÑØÓÒ×ÓÒÖÒÒØÐØØÙÒÙÒÚÖ×ÔÐÙ×Ò ÓÖÖ×ÖÒÙÖÇÒÚÓØ<br />

−10× ÙÖ<br />

ÐÖØÓÒ×ÔÖØÙÐ×ÖÒØ×ÝÔÓØ××ÓÒØØÑ×××ÙØ<br />

×ÙÖÐÓ×ÖÚØÓÒÒ×ÐÖØÓÒÓ×ÑÕÙγØν×ÒÖ×ÐÓÖÖ ÔÐÙ×ÙÒÒ×ØÖÓÔÝ×ÕÙ×ÙØ×ÒÖ×ÐÓÖØØÙÐ×ÓÒÒØÖ ÙÌÎÇÒ×ÒØÖ××ØÓÙØÔÖØÙÐÖÑÒØÙÜÑÒ×Ñ×ÔÖÓÙØÓÒØÓÙ<br />

= (mνµ − mνe) 2 ≈ 3 × 10 −3Î2


ÕÙ×Ö×ØÓÐ×ÒÙØÖÓÒ×ØÖÓÙ×ÒÓÖ×ÐÖØÙÖ×ÐØÕÙ×ØÙØÖ××ÓÙÖ× ÐØÕÙÒÔ×ÓÒÓÒÖÚÐ×Ö×ÔÖÓÙØ×Ò×ÐØÑÓ×ÔÖ ÜÓØÕÙ×Ò×ÓÒØÜØÑÒØÓÒÒÓÒ×ÙÒÜÔÖÒÖÐ×ÐÙÒÚÖ×Ø<br />

ÒÓ×ÑÓÐÓØÓÙÒØÐÖØÓÒÐÍÒÚÖ××ÓÒØÒØÙÖÓÒØÖÙÖ ÒÚÒ×ÐÕÙÐÐÓÒÓ×ÖÚ×ÓÒÒ×××Ó××Ö×ÓÖÒ<br />

ÚÙÓÐ×ØÕÙ ÑÒÖ×ÚÙÜØ×Ø××ØÓÖ×ÖÒÙÒØÓÒÍÌ ÄÍÒÚÖ×ÖÒÖÑÙÒÖÒÒÓÑÖ×ÖØ×ÕÙÖ×ØÒØÔÖÖÄ×ØÙ×<br />

×ÓÒØÒ×Ò×ÙÒÙØÙÖÓÐÐÓÖØÓÒÖÙØÙÙ×ÓÒÔÖÐÓÖÒÚÒØ Ä×ÖÙÖ×ÒÔÝ×ÕÙ×ÔÖØÙÐ×Ò×ØÖÓÔÝ×ÕÙØÒÓ×ÑÓÐÓ ×ØÐÔÓÒØ<br />

ÐÔÝ×ÕÙ××ØÖÓÔÖØÙÐ×<br />

ÜÒ×ÐÔÖÑÖ×ÙÜ×ÙÜ×ÖÒÓÒØÖÒØÙÒØÖÙØØÙÖ ÒÀÈÓÒÔÙØØÖÚÐÐÖÒÖÑÓÐÐ×ÓÒÒÙÖÓÙÒÖÑÐ Ä×ÐÖØÙÖ×<br />

ØÓÒØÙÒÓÐÐ×ÓÒÖÓÒØÐÄÖÖÐÒÖÒ×ÐÒØÖÑ×××Ø ÐÓÖ×s<br />

ÈÖÓÒØÖÒÖÑÐÜÐÔÖÓØÐÖÔÔÐÒÓÝÙÐÙÖÔÓ× ÓÒÒ Ò×ÙÒÓÐÐ×ÓÒÒÙÖØÐÕÙÐÄÈÑ1Ñ2ÑØ12ÄÖÐØÓÒ<br />

=<br />

ÄÙÖÓÒÒÙÒ×ØÓÖÕÙ×ÓÐÐ×ÓÒÒÙÖ×ÙØÐ××Ù×ÕÙÙÓÙÖÙ<br />

≫Ñ1ØÑ2ÓÒÔÙØÙÖÐÖÐØÓÒÕÙ<br />

√<br />

ØÒÔÖÓØ ÐØÕÙÐÒÓÑÖÒØÖØÓÒ×Ý×ØÙÓÙÔÔÐÙ×ÐÇÒÒØÖÓÙØÐ ÄÚÒØÙÖÑÓÐÐ×ÓÒÒÙÖ×ÙÖÐÖÑÐÜ×ØÓÑÔÒ×ÔÖ<br />

2Ñ2Ë1<br />

ÓÒÔØÄÙÑÒÓ×ØÄÐÑÒÐÐÙÑÒÓ×Ø×ØÒÓÑÑÐØÙÜ<br />

×ÓÒØ×ÓÒØÒÙ×ØÖÓÙÔ×ÒÔÕÙØ×ÙÒ×ÇÒ×ÖÖÒÔÓÙÖÕÙÙÒÙÒ ÔÓÖØÓÒÒÐÐÐÙÖ×ØÓÒÒ×ÙÒÓÐÐ×ÓÒÒÙÖÓÑÑÐÄÈÐ××ÙÜ ÄÐÙÑÒÓ×ØÄ×ØÔÖÓÔÓÖØÓÒÒÐÐÐÒØÒ×Ø××ÙÜØÒÚÖ×ÑÒØÔÖÓ<br />

ØØÙÖËÐÓÒÙÒ×Ò×ÕÙ×Ù +ÖÒÓÒØÖ×ÓÒÓÑÓÐÓÙ−ÔÖ×ÑÒØÐÒÖÓØÓÐÓÒÒ×ØÐÐÐ <br />

2E1E2{1 + [1 − (m1/E1) 2 ] [1 − (m2/E2) 2 ]} + m 2 1 + m2 2<br />

s = 2E<br />

√ <br />

s ∼ = 2m2E1<br />

ÒØÖØÓÒ×ÔÖÙÒØ×ØÓÒ<br />

Taux d ′ interactions s −1 <br />

= σL<br />

L = n1n2<br />

A<br />

bf = I1I2<br />

e 2 bfA


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ÓÑÔÐÑÒØÖ××ÙÚÒØ× ËÐÓÒØÒØÓÑÔØ×ÒÓÖÑØÓÒ×<br />

5Ñ×/Ñ 3×−1<br />

σy ≈ 10µÑ


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30Ñ−2×−1<br />

ÄÙÑÒÓ×Ø×ÜÔÖÒ× ÄÒØÖ×ÓÐÐ×ÓÒÒÙÖ×e + ÓÒ×ØÖÙØÖ×ØÓÒØÐ××ÙÜÚÒØÙÒÒÖÅÎ ÄÙÖÑÓÒØÖÐÚÖØÓÒÐ×ØÓÒÒØÖØÓÒe + ÙÔ ÄÈÔ×ÁØØ×ØÙÙÚÓ×ÒÑÑØÐÑ××ÙÎ ÒÓÒØÓÒÐÒÖÒ×ÐÑÒØÖØÐÒÖ××ÐÙ ÐÖ×ÓÒÒÐØÙÜÒØÖØÓÒ××ØÑÜÑÐÓÒÑ×ÙÖÙÒ ÒØÙÒ×ØÓÒ<br />

→ ×ØÓÒ+− −1Ø<br />

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ÖÔÔÐÒ−33Ñ2<br />

σx ≈ 250µÑ ÓÒ ≈ 2.5 10−8 m2 e−×ØÐÑÒÒÐÐÓÙÑÙÐÞÓÒ e− →ÖÓÒ× Z ±<br />

e + e− → Z → µ + µ −Ò ÈÓÙÖL=10 31Ñ−2 −1ÐØÙÜÚÒÑÒØ×ÖÓÒÕÙ××Ø s s<br />

s


Ñ Ä×ØÓÒÒØÖØÓÒ+−ÒÓÒØÓÒÐÒÖÒ×Ð<br />

ÚÒÑÒØ×ÖÓÒÕÙ××ÓÒÖ×ØÙÔÐÖ×ÓÒÒØ×ÐØ ÕÙ×ØÓÒÖ×ØÔÖÓ ÒØÖØ ÐÒÖÙÄÈÔ×ÁÁØØÒØÒÚÖÓÒ ÎÔÖ ÑÐÐÓÒ×<br />

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10 5 nb −1 = 100pb −1 = 10 38Ñ−2ÓÒ×ØØÒÖÙÐÐÖÒÚÖÓÒ<br />

W −×ÙÖÐÙÖÓÙ


e −<br />

Crown<br />

Door<br />

Hadron Calorimeter<br />

Vertex Detector<br />

Barrel Yoke<br />

Main Coil<br />

BGO Crystals<br />

Outer Cooling Circuit<br />

Silicon <strong>de</strong>tector<br />

Luminosity Monitor<br />

Inner Cooling Circuit<br />

Muon Detector<br />

×ÜÑÔÐ×ØØÙÖ××ÖÓÒØÓÒÒ×ÙÙÖØÑ×ÙÖÐÔÖ×ÒØØÓÒ Ò×ÑÐ××ÓÙ×ØØÙÖ×ÐÜÔÖÒÄÙÄÈ<br />

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ÑØØÙÖÑÖÓÚÖØÜÁÐ×ØÙÒØØÙÖÐØØ<br />

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•ÓØO(10 2ÅÀ<br />

e +


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ÔÔÖÓÜÑØÓÒ×ØÔÖÜÑÔÐ ØÓÔÓÐÓÐÖÙÒÔÙÓÑÑX0Ò×ÐÖÐØÖÓÑÒØÕÙÍÒ ÇÒÒÔ×ÔÔÖÓ×ÑÔÐÔÓÙÖÖÖÙÒÖÖÓÒÕÙÇÒÒØ<br />

A/NAρσ×ÕÙÔÖÑØÒÓÖÑÐ×ÖÐ ÒÙÐÓÒ×ÙÒÓÝÙσ×=σØÓØ− σe1 − σ×≈ 41.2<br />

ÁÐÜ×Ø×ÔÖÓÖÑÑ××ÑÙÐØÓÒ×ÐÙ<br />

= ÙÒÐÓÒÙÙÖ×ÓÖÔØÓÒλ0<br />

×Ö×Ñ ÖÙØÄ×ÙØÙØÓÒ××Ö×ÖÓÒÕÙ××ÓÒØÙÓÙÔÔÐÙ×ÖÒ×ÐÐ× ÍÒÖØÝÔÕÙ×ØÒÒÖÔÖÐÖØÓÒÔÖØÙÐ×ÖÔ×ÔÖ ÕÙÓÑÔÐÕÙÐÖ×ÓÐÙØÓÒÙÔÖÓÐÑ Ñ×ÐÙÖÔÖ×ÓÒ×Ø<br />

ÒØÖØÓÒÓÖØ×ÙÖÐ×ÒÙÐÓÒ×ÐÑØÖÄ××ÓÒÖ××ÓÒØÔÓÙÖÐ××ÒØÐ ×ÔÓÒ×Ø×ÒÙÐÓÒ×ËÓÙÚÒØ×π 0×ÓÒØÔÖÓÙØ×ÕÙÓÒÒ××ÓÙ× Ö×Ñ ÎÐÖÔÖ×ÒØ logÎ℄ÍÒÔÖØÐÒÖ×ØÔÖÙ <br />

ÐÒÖ××ÔÐÖØÓÒ<br />

π 0×ØÓÒÒÔÙÔÖ×ÔÖ<br />

•ÄÐÓÒÙÙÖØÓØÐ×ØÖ×ÔÖØÙÐ×Ö×ÚÙØT =<br />

p<br />

ρM ∼ = X0 21ÅÎ Ec<br />

E/Ec<br />

A 0.71 [mb]ÔÓÙÖ×ÒÙØÖÓÒ××ÙÖ×ÒÓÝÙÜÔÓ×ØÓÑÕÙA<br />

λ0[Ñ] ≃<br />

35 A1/3<br />

ρ<br />

≃ 390 A −2/3


ÒÜØØÓÒØ××ÓÒÒÙÐÖÕÙÖÙØÐÔÖØÐÒÖÚ×ÐÍÒ ÙØÖÔÖØÐÖÙØÓÒÚÒØÐÔÖÓÙØÓÒÒÙØÖÒÓ×ÒÓÒØØ×Ò× ÖØÒ×ÜÔÖÒ×Ð×ÑÙÓÒ×ÔÔÒØÙ××ÐØØÓÒ<br />

•ÄÔÖÓÓÒÙÖÓÖÖ×ÔÓÒÒØÙÒÔÓ×ØÓÒÐÒÖ×ØÓÒÒ ÊÔÔÐÓÒ×ÕÙÐÕÙ×ÖÐØÓÒ×ÙØÐ×<br />

Ù×ÙÐÐÑÒØÙØÐ××ÔÓÙÖÐ×ÐÓÖÑØÖ× ÄØÐÙÓÒÒÙÒÖØÒÒÓÑÖÒÓÖÑØÓÒ×ÓÒÖÒÒØÐ×ÑØÖÙÜ<br />

= ÔÖt95% ÚÓÖÙÒÔ××ÙÖÙÑÓÒ×5λ0<br />

•ÄÑÜÑÙÑÐÖÒÙÒØ×λ0tÑÜ=0.90 + 0.36 log(E[GeV ])<br />

tÑÜ+2.5 E0.13ÒÔÖØÕÙÙÒÐÓÖÑØÖÖÓÒÕÙÚÖØ = •ÐÒÖÐÖ×ØÓÒØÒÙÒ×ÙÒÖÝÓÒR95% 1λ0


ÅØÖÐ λ0Ñ Ñ<br />

ÅÎÑ ÔÓÙÖÆ Ñ ÅÎ<br />

Ð<br />

ρ dE/dx Ec<br />

ÐÕÙ ≈ ≈ ≈ <br />

Ñ2 ÔÓÙÖπ<br />

<br />

λatt(X0)<br />

Ù ËÒ ÏÈ <br />

Í <br />

ÆÁ ËÒØÐÐØÙÖÔÐ×ØÕÙ <br />

Ì<br />

ÐØÖÓÑÒØÕÙ×Î ÐÓÒÙÙÖ×ÓÖÔØÓÒÒÙÐÖX0ÐÓÒÙÙÖÖØÓÒEcÒÖÖ ØÕÙÐØÐÈ Ä×ØÓÒÒÐ×ØÕÙ×ÔÓÒ× Ä×ÚÐÙÖ×ÓÖÖ×ÔÓÒÒØ×Ö× ÈÖÑØÖ×ÑØÖÙÜÙØÐ××ÔÓÙÖÐ×ÐÓÖÑØÖ×ÆÓØλ0<br />

<br />

ÄÙØ ≈<br />

σi = 31.2 A 0.744ÑØÙØÐ×<br />

λ0Ñ X0


ÒÕÙÕÙÒØÕÙØÐÖÐØÚØÖ×ØÖÒØÄÖÖÓÖÑ×ÓÚ Ò×ÔØÖÓÒ×ÕÙ××ÐÔÖÓÙÖÕÙÑÒÙÑÖÐÑ ÊÐØÚØØÑÒÕÙÕÙÒØÕÙ<br />

ÖÄÕÙØÓÒÃÐÒÓÖÓÒÔÖÑØÖÖÐÔÖÓÔØÓÒ×ÔÖØ ÖÒØ××ÕÙØÓÒ×ÙÑÓÙÚÑÒØÓÒÙØÙÜÕÙØÓÒ×ÃÐÒÓÖÓÒØ ÙÐ××ÔÒ ÐÕÙØÓÒÖÐÐ×ÔÖØÙÐ×ØÒØÔÖØÙÐ××ÔÒ<br />

ÊÐØÚØÖ×ØÖÒØ<br />

Ð×ÖÔÖ×ÖØ×Ò×ÇÒÔ××ÙÒÖÔÖÓ×ÖÚØÙÖÇÐÙØÖÇÔÖ Ò×ÐÓÑØÖÙÐÒÒÓÒ××Ý×ØÑ×ÓÓÖÓÒÒ×ÔÖØÙÐÖ× ÁÒÚÖÒØ×ØØÒ×ÙÖ×<br />

×ØÖÒ×ÓÖÑØÓÒ×ÐÒÖ×ÓÖØÓÓÒÐ×ÕÙÓÒ×ÖÚÒØÐ×ØÒØÖ ÑÒ×ÓÒÒÐÐÔÓÙÖÐÒ×ØÒØÓÑÔÓ×ÒØ×ÓÚÖÒØ×ØÓÒØÖÚÖÒØ××ÓÒØ ÓÒÓÒÙ×ÐÙÖÖÒÔÔÖØÖÔÐÙ×ÐÓÒ<br />

dl 2 = dx 2 + dy 2 + dz 2 = <br />

Ð2×ØÙÒÒÚÖÒØÐÓÖ×ØÖÒ×ÓÖÑØÓÒ×ÐÒÖ×ÓÖØÓÓÒÐ×ÙØÝÔ<br />

ÕÙÜÔÖÑÐÓÖØÓÓÒÐØØÕÙÑÔÐÕÙÕÙÐØÖÑÒÒØ×Ø ÚÐÓÒØÓÒ<br />

ÚÖ×ÍÒ×ÑÒØÜi×ØÖÒ×ÓÖÑÔÖ<br />

<br />

ÒÚÖØÙÐÐÐÑÒØÚÓÐÙÑ×ØÓÒ×ÖÚ<br />

ÇÈÖÜÑÔÐÐÖÒÙÖÛÜÝÒ×ØÔ×ÙÒÒÚÖÒØÓÑÑÓÒÔÙØÐ ÑÓÒØÖÖÒØÙÒØÙÒÖÓØØÓÒÙØÓÙÖÐÜÞ ÇÒÒ×ÐÔÓ××ÐØÒÖ×ÖÒÙÖ×ÒÔÒÒØ×ÐÓ×ÖÚØÙÖ<br />

Ò×ØÒÌÑÒÒÓÊÐØÚØÝÈÖÒØÓÒÍÒÚÖ×ØÝÈÖ××ÚÓÖÙ××Ö ÖÐÓÒÚÙØ| b<br />

<br />

dx<br />

i=1,3<br />

2 i<br />

x ′ i = ci + <br />

−1ØÔ××ÖÙÒ×Ý×ØÑÖÓØÙÒÙØÚ<br />

bijxj<br />

bijbkj = δik<br />

j<br />

j<br />

| b |= ±Ä×|b|=<br />

dx ′ <br />

i = bijdxj<br />

j<br />

dV ′ = <br />

dx<br />

i=1,3<br />

′ i = ∂(x′ 1, x ′ 2, x ′ <br />

3)<br />

dxi = 1 ×<br />

∂(x1, x2, x3)<br />

i=1,3<br />

<br />

dxi = dV<br />

i=1,3<br />

|


ÓÒ×ÖÓÒ×ÙÒÖÓØ ÇÒÙÒÙØÖÓÒÜÔÖÑÖÐÒÚÖÒÔÖÖÔÔÓÖØÐÓ×ÖÚØÙÖ<br />

xi = Ai + λ ˆ Bi i = 1, 2, 3; | ˆ Ò×ÐÖÔÖÇÓÒÓØÒØÙ××ÐÕÙØÓÒÙÒÖÓØ<br />

λÔÖÓÙÖØÐÖÓØ <br />

B |= 1<br />

ÖÓØ×ØÐÑÑÔÓÙÖÐ×ÙÜÓ×ÖÚØÙÖ××ØÙÒÓÖÑÓÖÑÙÐØÓÒ Ä×ÕÙØÓÒ× Ø ÓÒØÐÑÑÓÖÑÓÒÐÜÔÖ××ÓÒÙÒ <br />

bikBk etc...<br />

ÔÔÐÙÒÚØÙÖÈÖÜÑÔÐÐÖÒØÙÒÓÒØÓÒ×ÐÖ×ØÙÒÚØÙÖ ÐÒØÖÚÐÐdxi×ØØÐÑÒØÕÙÒØÐ×ÔÓÒØ×ÐÖÓØØÐÚÓ×Ò ÐÐ ÌÓÙØÓØÓÒØÐ×ÓÓÖÓÒÒ××ØÖÒ×ÓÖÑÒØÓÑÑÐ×ÐÑÒØ×dxi×Ø<br />

− ÓÚÖÒØÐÚÒØÙØÕÙÐÐÑÒØxi<br />

ÇÒÚÙÕÙdl 2×ØÐÑÑÔÓÙÖØÓÙØÓ×ÖÚØÙÖÓÒÕÙÒÙÒÚØÙÖ×Ø ÒÙÐÔÓÙÖÙÒÓ×ÖÚØÙÖÐÐ×ØÔÓÙÖØÓÙ×ÐÓÖ×ÙÒØÖÒ×ÓÖÑØÓÒÓÑÓÒ<br />

ÑÙÐØÔÐØÓÒÔÖ ØÓÙØÖÔÖ×ÒØØÓÒÓÑØÖÕÙ ÒÓÒÐÙ×ÓÒÐÒØÓÒÙÒÚØÙÖ×ÜÔÖÑÔÖ×ÕÙÒÔÒÑÑÒØ<br />

×ØÒ×ÙÖ×ÓÖÖØÖ×ÔØÚÑÒØ ÇÒÔÖÓÑÑÚ×ØÒ×ÙÖ×ÓÖÖ Ó×ÐÑØÖÄ××ÐÖ×ØÐ×ÚØÙÖ××ÓÒØÓÒ ÕÙ×ØÖÒ×ÓÖÑÒØÔÖ ÍÒÖÒÙÖÓÑÑdl 2×ØØÒÚÖÒØÔÖÕÙÓÒÒÒÐØÓÙØ<br />

ÑÙØÖÙÒÚØÙÖÕÙ×ØÖÒ×ÓÖÑÚÐÑÙÐØÔÐØÓÒÔÖbÒÙÒÙØÖÕÙ ÐÐÓÒÙÙÖÙÒÒØÖÚÐÐÒØÓÙØÔÓÒØÐ×ÔÄØÓÒÐÑØÖÕÙ×Ø ÔÒÒÔÖÖÔÔÓÖØÐØÖÒ×ÓÖÑØÓÒÒÕÙ×ØÓÒÒÓÑØÖÓÒÖÐ× ÐÓÒÓÖÑÐÐÔÖÐÒØÖÓÙØÓÒÙÒÑØÖÕÙgÕÙÔÖÑØÐÙÐÖ ×ØÖÒ×ÓÖÑÚÐÑÙÐØÔÐØÓÒÔÖb −1<br />

Ò×ÙÒÖÔÖÓÒÒÔÙØØÖÓÑÔÐØÑÒØÖÔÖ×ÒØÔÖÐ×ØÖÓ×ÒÓÑÖ× ÇÒÚÑÒØÒÒØÒØÖÓÙÖÙÒÒØÓÒØÙÒÒÓØØÓÒ×ØÒÖÔÖÑØ ØÒØÙÒÖÔÖ×ÒØØÓÒÒÓÓÖÓÒÒ×ÒÖÐ××ÍÒÚØÙÖÒÒØ×ÑÐdP<br />

Ä×ÖÚ×∂P ÒÓÑÖ×dx iÓÒ×ØØÙÒØÙÒ×Ý×ØÑÓÒØÖÚÖÒØÒ×Ð×Ò×ÕÙÔÓÙÖÕÙ<br />

dPØÙÒ×ÒØÓÒÙÒÚÖ×ÐÐÙÒÒÑÒØÒ×Ð×ÚØÙÖ×× ÒÑÒØÓÓÖÓÒÒ×Ç→Ç′Ð×ÚØÙÖ×××ÓÒØÒ×Ò<br />

<br />

x ′ i = A′ i + λ ˆ B ′ i | ˆ B ′ |= 1 ˆ B ′ i = <br />

λBi×ØÖÒ×ÓÖÑÓÑÑ<br />

k<br />

Ai −<br />

dxiÒÔÜ dP = ∂P<br />

dxi<br />

∂xi i<br />

∂xiÓÒ×ØØÙÒØÒÔÖØÕÙÐ×ÚØÙÖ××ÙÖÔÖÄ×ØÖÓ× ∂P<br />

∂xiÓØØÖÓÒØÖÐÒÔÖÙÒÒÑÒØÒ×Ð×ÜiÒØ×ÓØÙÒ ∂P<br />

∂x ′ i<br />

= ∂P<br />

∂x j<br />

∂x j<br />

∂x ′ i


Ð×ÓÑÑØÓÒ×ÙÖÐ×Ò×ÒØÕÙ××Ø×ÓÙ×ÒØÒÙØÐ×ÐÑÒØ×Üi ×ÓÒØÒ×Òdx ′ ÔÙØÔ××ÖÙÒÓÑÔÓ×ÒØÐÙØÖ×ÐÓÒÓÒÒØÐÑØÖÕÙ Ä×ÓÑÔÓ×ÒØ×ÓÚÖÒØ×ØÓÒØÖÚÖÒØ×ÖÔÖ×ÒØÒØÐÑÑÚØÙÖÇÒ ÁÐ×ØØÓÙØÓ×ÔÓ××ÐÖÖÐÑÑÚØÙÖÔÖØÖÓ×ÒÓÑÖ×ÜiÒ<br />

= ÒÜdxi<br />

dP ∂P<br />

i ∂x = ′ i<br />

∂xj dxj ∂xi×ØÖÓ×ÒÓÑÖ×ÓÒ×ØØÙÒØÙÒ×Ý×ØÑÓÚÖÒØ gij = ∂P <br />

∂P<br />

· = gji<br />

∂xi ∂xj v<br />

2<br />

v<br />

v<br />

v v x 1<br />

1 <br />

2<br />

ÓÒÒ×ÓÐÕÙ× ÓÑÔÓ×ÒØ×ÓÚÖÒØ×ØÓÒØÖÚÖÒØ×ÙÒÚØÙÖÒÓÓÖ<br />

Ð×ÒÖÐ×ÙÒÖÒÙÖÚØÓÖÐÐÕÙÐÓÒÕÙÓÒ×ÖÓÒ×ÖÒÙÖ×<br />

1<br />

ÓÒØÓÒ×ÙÒÔÓÒØÐ×ÔÕÙÐÓÖ×ÙÒÒÑÒØÓÓÖÓÒÒ×× ØÖÒ×ÓÖÑÒØÓÑÑÐ×ÖÒØÐÐ××ÓÓÖÓÒÒ×Üi<br />

a ′ i ∂x<br />

= ′ i<br />

∂xj aj ×ØÙØÓÒÙ×ÙÐÐÄ×ØÙØÓÒ×ÓÑÔÓ×ÒØ×ÓÚÖÒØ××ØÓÒÒÔÖ ÇÒØÕÙÐ×j×ÓÒØÐ×ÓÑÔÓ×ÒØ×ÓÒØÖÚÖÒØ×ÙÒÚØÙÖ ×ØÐ <br />

a ′<br />

i = ∂xi<br />

∂x ′ j aj Ò××Ò×ÐÓÔÖØÙÖ∂i = ∂/∂xi×ØÓÚÖÒØÐÙÒÓÑÔÓÖØÑÒØÓÒØÖÚÖÒØ 1 Ò×Ð×ÙÐÒg=(1, 1, 1)Øa i aiÌÓÙØÓ×ÐÒ×ØÔ×ØÓÙÓÙÖ×<br />

=<br />

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<br />

x<br />

2


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δs 2 = gijδx i δx j = δxjδx j ÒØÐÐÑÒØÐÓÒÙÙÖÒÚÖÒØÐÐÜÔÖÑÐØÕÙÐ×ÓÑÑ× ÚÖÒØÐÔÖÓÙØ×ÖÚ×Ò××ÒØÐÔ××ÙÒÖÔÖÐÙØÖÓÒÒ ÐÙÒØ ÔÖÓÙØ××ÓÑÔÓ×ÒØ×ÓÚÖÒØ×ØÓÒØÖÚÖÒØ××ØÙÒÙÒÖÒÙÖÒ<br />

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ËÓØÙÒÖÖÒØÐÇÍÒÔÓÒØÐ×ÔØÑÔ×ÔÖÖÔÔÓÖØÇ×ØÒÔÖ<br />

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ÑÓÙÚÑÒØÖØÐÒØÙÒÓÖÑÔÖÖÔÔÓÖØÇÓØÓØÒÖÐÑÑÚÐÙÖ ÕÙØÓÙØÓ×ÖÚØÙÖÒ ÄÙÖ×<br />

Ø<br />

ÓÒ×ÖÓÒ×Ò×ÇÙÜÚÒÑÒØ×ÒP0 = ØÒÕÙÖÑÒ×ÓÒÒÐÐ×Øs =<br />

ÄÑÓÙÐÐÙÖ×ØÒÕÙÖÑÒ×ÓÒÒÐÐ×Ø<br />

Ä×ÜÔÖ××ÓÒ×ÓÚÖÒØ××ÓÒØÓÒÖØ×ÔÖ×ÕÙÖÚØÙÖ×aµÓÐÒÜ<br />

P<br />

µÚÖ <br />

z)ËÇ×ØÙÒÖÖÒØÐÒÑÓÙÚÑÒØ<br />

P0ÇÒÔÙØÑÓÒØÖÖÕÙ<br />

)ØP1ØÜ<br />

(t, r) = (t, x, y,<br />

(0,<br />

P1 −<br />

δs2 = (ct) 2 − x2×ØÙÒÒÚÖÒØÄÓÖÒØÞ δs2ÔÓÙÖÓÙÔÐÚÒÑÒØ×ÒØÒ×ÇÓÒ P ′ 0 = P0<br />

δs ′ <br />

2 2 2<br />

= c γ t − v<br />

c2x ′ 1 = (γ(t − vx/c 2 ), γ(x − vt), 0, 0)<br />

2 − γ 2 (x − vt) 2 = δs 2


x’ =<br />

y’ =<br />

z’<br />

=<br />

γ ( x − v t ) = γ ( x − β c t )<br />

y<br />

z<br />

t’ γ ( t − v x / c 2 = ) = γ ( t − β x / c )<br />

ou β = v / c < 1 et γ = ( 1 − β 2 ) −1/2 0’<br />

x’<br />

ÙØÖÖØÓÒÐ×ÖÐØÓÒ××ÓÒØÔØÖ ÌÖÒ×ÓÖÑØÓÒÄÓÖÒØÞ×Ú×ØÔÖÐÐÐÜËÚ×ØÒ×ÙÒ<br />

0<br />

x<br />

> 1<br />

ÇÒÒØÖÓÙØÙÒÑØÖÕÙÐ×ÔØÑÔ×g<br />

⎛<br />

⎞<br />

1<br />

⎜<br />

g = ⎜ −1 ⎟<br />

⎝ −1 ⎠<br />

−1<br />

, gµν = g µν<br />

ÕÙÔÖÑØÒÖÐÒÚÖÒØ ds 2 = gµνdx µ dx ν = dxνdx ν ÇÒÔÓ× <br />

x 0 ≡ ct, x 1 ≡ x, x 2 ≡ y, x 3 ×ØÒÚÖ× ÊÑÖÕÙÓÒ×ÕÙ×ÐÓÒÙØÐ×ÐÑØÖÕÙ <br />

ÙÒÚØ××vx ËÓÙ×ÐÓÖÑÑØÖÐÐÐ×ØÖÒ×ÓÖÑØÓÒ×ÄÓÖÒØÞ×ÖÚÒØÒ×Ð×<br />

≡ zØÜoØÐ×Ò×2 x ′ µ µ<br />

= Λ νx ν Ú <br />

⎛<br />

⎞<br />

γ −γβ 0 0<br />

⎜<br />

Λ = ⎜ −γβ γ 0 0 ⎟<br />

⎝ 0 0 1 0 ⎠<br />

0 0 0 1<br />

ÖÔÔÐÐ×ÓÑÑØÓÒ×ÙÖÐ×Ò×ÒØÕÙ××Ø×ÓÙ×ÒØÒÙ<br />

<br />

y<br />

y’<br />

v


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ÉÐÖÓÙÔ×ØÐÓÑÑÙØØ ÔÖÑØÐÙÐÖÐÐÑÒØÒÚÖ× 0ÐÓÖ×Λ→<br />

→<br />

-<br />

H s<br />

Λ α β = gβρg ασ Λ ρ σ<br />

δτ<br />

δ t<br />

+ +<br />

H<br />

t<br />

CL<br />

CL -<br />

ÇÒÔÙØÐÐÙÖ×ÓÑÔÐØÖØØ×ØÖÙØÙÖÔÖÐ×ÖÓØØÓÒ×Ò×Ð×Ô ÁÒØÖÚÐÐ×Ò×Ð×ÔØÑÔ×ÎÓÖØÜØ<br />

-<br />

H<br />

t<br />

ÕÙÓÑÑÐÑØÔÓÙÖβÔØØÐÙÐÐ ÖÓÙØ×ØÖÒ×ÐØÓÒ×Ò×Ð×ÔØÑÔ×ÓÒÓØÒØÐÖÓÙÔÈÓÒÖ ØÓÙØÓÙÖØØÓÖÑÖÒ×ÐÖÓÙÔÄÓÖÒØÞËÐÓÒÔÖ×ÚÖØÕÙÐÓÒ ÙÜÚÒÑÒØ×ÖÐ×ÔÖÙÒ×ÒÐÐÙÑÖÓÒÒÒØδs 2 0ËÙÜ = ÚÒÑÒØ×ÓÒØÙÒδs 2 > 0 (cδt) 2 > δx2ÐÓÖ×ÙÒÒÓÖÑØÓÒÔÙØÖÒ ÒØÓÙØ×ÐÚØ×× ØÐ×ÔÙÚÒØÓÒØÖÒÓÒÒÜÓÒÙ×ÐË<br />

δs2 ÈÓÙÖÙÒÑÐÐÓ×ÖÚØÙÖ×ÙÜÚÒÑÒØ×È0ØÈ1ÝÒØÙÒ×Ô<br />

0ÙÙÒÖÐØÓÒÙ×ØÓØÜ×ØÖ<br />

< ÖØÓÒδs 2××ØÙÒØÒ×ÐÔÐÒ{δx, ØÓ××ÓÒÚÓÖ×Òצ ÓÑÑ×ÝÑÔØÓØÐ× Ò×ÐÙÑÖÄÚÓÖÙÖ δt}×ÙÖÙÒ×ÝÔÖÓÐ×ÀÕÙÓÒØ Ð×ÐÐ×ÓÒØ Ä×δs 2 0×ØÔÔÐÙÒ×ÔÖØÓÒÒÖØÑÔ××ØÐ×ÓÐ<br />

><br />

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<br />

H +<br />

s<br />

δ x


ÙÜÚÒÑÒØ×ÔÓÙÖÐÕÙÐδx = 0Øδt = δτÓτ×ØÐØÑÔ×ÔÖÓÔÖËP0 ×ØÒ×ÐÔ××P1ÓÒ×Ø×ÙÖÐÝÔÖÓÐÀ+ t×ÙÖH − t××ØÐÓÔÔÓ× Ä×δs 2 ÒÖÓØ×ÖÒØ× ÐÙÑÖ ÙÒÓ×ÖÚØÙÖÔÓÙÖÐÕÙÐÐ×ÙÜÚÒÑÒØ×ÓÒØÐÙ×ÑÙÐØÒÑÒØÒÙÜ ÍÒ×ÒÐÚØ××ÔÙØÓÙÔÐÖÙÜÚÒÑÒØ×ÕÙ××ØÙÒØ×ÙÖÐÒ<br />

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O<br />

< 0ØÒÖ×ÔÒØÖØÐÓÒÒÜÓÒÙ×ÐÁÐÜ×Ø<br />

,<br />

O v<br />

= 0Ø∆t ′ÚÙØÔÜ<br />

TDC<br />

d d d d d d<br />

ÐØØÓÒÙØÑÔ× ËÑÔÖÒÔÙÒ×ÔÓ×ØÚÒØÔÖÑØØÖÐÑ×ÙÖÐ<br />

stop<br />

TDC<br />

ÄÓÖ×ÐÜÔÖÒÓÒÔÙØ×ÙÔÔÓ×ÖÕÙÐÔÖÑÖÚÒÑÒØÐÙÐÓÖ×<br />

start<br />

d<br />

photocellule<br />

retard<br />

programme’<br />

convertisseur<br />

temps−>digital<br />

ÕÙÇØÇ×ÖÓ×ÒØØÕÙ×ØØÒ×ØÒØÕÙÐ×Ó×ÖÚØÙÖ×ÑÖÖÒØ


Ð×ÖÓÒÓÑØÖ×Ö×ÔØ× x0 = x ′ Ø 0 = 0 Ä×ÓÒÚÒÑÒØÐÙÒÇÐÒ×ØÒØt ′<br />

vt1ÒÇÇÒÔÔÐÕÙÐ×ØÖÒ×ÓÖÑØÓÒ×ÄÓÖÒØÞ<br />

1ØÓÙÓÙÖ×ÐÓÖÒÒÇ<br />

1 = γ(x1 ÓÑÑÔÖÚÙ<br />

Ó×ÖÚÔÖÇ<br />

1×ØÐÐØØÓÒÙØÑÔ×Ç<br />

− vt1) = 0<br />

Ø ÔÔÖ×ÕÙ×ÙØÒØÔÖÓÜ×Ò×ÓÑÔØÖÐ×ÓÙÚÖ×ËÆÛ Ö×ÙÐØØÓÒÙØÙÔÖÓÜ×ÙÑÙÜÒÓÒÚØÓÑÔØ ÇÒÔÖÓÓÒÒÐÓÙÔÓÙÖÑÓÒØÖÖÐÓÒØÖØÓÒ×ÐÓÒÙÙÖ×<br />

= ′×ØÔÐÙ×ÐÓÒÕÙt ÓÒt1<br />

ÐØØÓÒÙØÑÔ×ÍÒÑ×ÙÖÕÙÒØØØÚÔÒÓÑÒ×ØÐÝÔÖÓÙØ ÐÜÔÖÒ ØÓÒÒÔÝ×ÕÙ×ÔÖØÙÐ××ÔÖÙÚ×ÜÔÖÑÒØÐ×ÖØ×Ð<br />

ÒØ×Ò×ÙÒÒÒÙ×ØÓÑÑØÖÄ×ÔÓÒ×Ö×× ØÙÖÝÖÓÑÒØÕÙÙÑÙÓÒ ×ÒØÖÒØÒÚÓÐÒÓÒÒÒØ×ÑÙÓÒ×π→µνÄ×ÑÙÓÒ××ÔÐÒØ×ÙÖ ÚÓÖÙÖ× Ò×ØØÜÔÖÒ×ÔÓÒ×Ö××ÓÒØ ÝÒØÓÒÙØÐØÖÑÒØÓÒÙ<br />

×ÓÖØ××ØÐ×Ø××ÒØÖÒØ×ÐÓÒÐ×ѵ→eννÄ×ÐØÖÓÒ×<br />

ÐÒÒÙ Ñ××ÓÒØØØ×ÔÖ×ÓÑÔØÙÖ××ÒØÐÐØÓÒ×ÔÓ×××ÙÖÐÔÓÙÖØÓÙÖ<br />

ÙÒÔÒØÙØÙÜÓÑÔØÓÑÔØÐÚγτµµ× ÉÐÔÖÓÜ×ÙÑÙÜ×ØÐÒ×ÚÖ ÄÑÔÙÐ×ÓÒ×µ×Ø Ä×ÑÙÓÒ×ÙÖÔÓ×ÓÒØÙÒØÑÔ×Úτµµ×ÒÚÓÐÓÒÓ×ÖÚ Î ÕÙÓÒÒÙÒγÑ <br />

ÙÑÙÓÒ ÇÒÖÔÖÒÖÐ×Ù××ÓÒØØÜÔÖÒÐÓÖ×ÕÙÓÒÔÖÐÖ×ÔÖÓÔÖØ×<br />

ÄÒÓØÓÒÚØ×××ØÒÖÐ×ÔÖÐÒØÖÓÙØÓÒÙÕÙÖÚØÙÖ ÉÙÖÚØÙÖÒÖÑÔÙÐ×ÓÒ<br />

ÔÖØÙÐ×ØÙÖÔÓ×<br />

τ×ØÐØÑÔ×ÔÖÓÔÖÐÔÖØÙÐ×ØÖÐØÑÔ×Ò×Ð×Ý×ØÑÓÐ <br />

ÄÅÖÖÌÑÒØ×ÔØÖÚÐÐÖÍÒÚÓÈÒÒ×ÝÐÚÒÈÖ××<br />

<br />

ÈÖØË ÂÐÝØÐÆÙÐÈÝ× ÂÅÖÐÝØÈ××ÓÒÒÙÊÚÆÙÐ <br />

x ′<br />

1 = 0Ñ×Òx1 =<br />

x ′<br />

t ′<br />

′<br />

γt1<br />

t0<br />

= t ′<br />

0<br />

= 0<br />

1 = γ(t1 − vx1/c 2 ) = γ(t1 − v 2 t1/c 2 ) = t1/γ<br />

u µ = dxµ<br />

<br />

dt 1 dx<br />

≡ c ,<br />

dτ dτ c dτ


Ð×ÑÒØ×ÔÓÐÖ×ØÐ× ÑÒØÔÓÐÖÒÓÖÑ Ð×ÙÑÙÓÒ×ØØÑÖ×ØÙ×ØÒ×ÐÒØÖÖ×ÑÒØ× ÒÒÙ×ØÓÑÙÓÒ×ÚÙ×ÑØÕÙ××Ù×Ú ÓÑÔØÙÖ×ÔÖØÙÐ×ÚÙÒÓÙÔÙÒ ÚÙÒÓÙÔÐÑÖÚÓÖÙÐ<br />

<br />

ÖÔÓ×ÓÒÓØÒØÐÕÙÖÚØÙÖÒÖÑÔÙÐ×ÓÒ ÒÑÙÐØÔÐÒØÔÖÑÐÑ××ÐÔÖØÙÐÒÒ××ÓÒ×Ý×ØÑ<br />

ÇÒdt<br />

<br />

= ÇÒÚÓØÕÙÙ2<br />

p µ Ú ≡ (γmc, γmv) = (E/c, p) ÓÒp 2×ØÙÒÒÚÖÒØÕÙ×ØØØÒÙÖÐ×ØÐÒÖÑ×× ÐÔÖØÙÐÒ××ÓÒ×Ý×ØÑÙÖÔÓ× ÄÒÖÒØÕÙÙÒÔÖØÙÐ×ØÒÔÖ<br />

<br />

dτ<br />

ÉÑÓÒØÖÖÕÙT =<br />

dx dt<br />

= γØdx<br />

=<br />

dτ dt dτ = vγÓÒ 2×ØÙÒÒÚÖÒØ<br />

u<br />

c<br />

p<br />

T = E − mc 2<br />

mv 2 /2ÕÙÒv≪c<br />

µ <br />

≡ c γ, γ v<br />

c<br />

2 = c 2 m 2


Ð× ÖÔÔÓÖØÐÐÐ×ÐÓÒÐ×××Ð×ÙØÖ×ÓÙÖ××ÖÔÔÓÖØÒØ×ÐÐ× ÌÙÜÓÑÔØÒÓÒØÓÒÙØÑÔ×ÄÓÙÖ×ÙÔÖÙÖ×<br />

ÍÒÜÑÔÐÜÔÖ××ÓÒÓÚÖÒØ×ØÐÐÕÙÓÒÓØÒØÒÖÚÒØÐÕÙ ÓÚÖÒÒÐØÖÓÝÒÑÕÙ ØÓÒÓÒØÒÙØdρ ∂µj µ ÓÐÓÙÖÒØÚÖÑÑÓÒÔÙØÖÓÖÑÙÐÖÐ×ÕÙØÓÒ×ÅÜÛÐÐ ÁÐÙØÒÖÐ×ÖÕÙÐÓÚÖÒÐÕÙØÓÒÓÒØÒÙØÜÔÖÑÙÒ× ÓÒÓÚÖÒØÇÒÒØÐØÒ×ÙÖÙÑÔÑ ØÙØÓÒÔÝ×ÕÙÔÖ×ØÓÙØÓ×ÖÚØÙÖÓØÓ×ÖÚÖÙÒÙÑÙÐØÓÒ ÔÖØÓÒÐÒÖÓØ<br />

= 0 ÓÐÓÒÔÓ×j<br />

ÇÒÔÙØÒ×ÓÑÒÖÐ×ÙÜÕÅÜÛÐÐÔÓÙÖÚ(E)Ørot(B)Ò<br />

c jν <br />

<br />

ÜÔÖÓÙÚÖÕÙÐÒØ×ÝÑØÖF µν<br />

dt<br />

0×ÓÙ×ÐÓÖÑ<br />

+ div(j) =<br />

= cρ<br />

0<br />

F µν ⎛<br />

⎞<br />

0 −Ex −Ey −Ez<br />

⎜<br />

= ⎜ Ex 0 −Bz By ⎟<br />

⎝ Ey Bz 0 −Bx ⎠<br />

Ez −By Bx 0<br />

∂µF µν = 4π<br />

= −F νµÑÔÐÕÙ


Ä×ÙÜÕÅÜÛÐÐÓÑÓÒ×ÓÙÐÒØÙØÓÑØÕÙÑÒØ ÙÒÓ×<br />

ËÐÓÒÓÑÒ×ÔÓØÒØÐ× ÕÙÒÓÙ×ÚÓÒ×ÒØÖÓÙØÐ×ÔÓØÒØÐ×ÚØÙÖ(A)Ø×ÐÖ(V )<br />

A µ ÕÙÔÖÑØÖÖÖÐÕÓÒØÖÓÙÚ <br />

ÇÖÓÒÔÙØØÙÖÙÒÖÒØÓÒÙÔÓØÒØÐÕÙÓÒÔÔÐÐÙÒØÖÒ×<br />

≡ (V, A)<br />

ÓÖÑØÓÒÙÐ×ØÔÓ××ÐÖÐØÖÒ×ÓÖÑØÓÒ<br />

A µ → A µ + ∂ µ ÒÒÔ×Ð×ÖÔØÓÒÔÝ×ÕÙ ÇÒÑÔÓ×ÓÒÐÓÒØÖÒØÙÄÓÖÒØÞ <br />

f(t, x)<br />

∂µA µ ÕÙÓÒÒ <br />

= 0<br />

∂µ∂ ν = 4π<br />

c jν <br />

ÇÒÓØÒØÒ××ÜÔÖ××ÓÒ×ÓÑÔØ×Ò×Ð×ÕÙÐÐ×ÐÓÚÖÒ×Ø ÜÔÐØÈÖÜÑÔÐÐÒÚÖÒÙÔÖÓÙØF µν ÉÕÙÚÙØÔÖÓÙØ<br />

Fµν×ØÙØÓÑØÕÙ<br />

ÔÓÒÒØÖÐØÚ×ØÊÉÅÚÖØ×ØÙÖÒÓÙÙÖÇÒÑÖØÖÖÐ× ÄØÖÒ×ØÓÒÐÑÒÕÙÕÙÒØÕÙÒÓÒÖÐØÚ×ØÉÅ×ÓÒÓÖÖ× Ä×ÕÙØÓÒ×ÃÐÒÓÖÓÒØÖ<br />

ÔÖÒÔ×× ÜÔÖÑÔÖÙÒÓÒØÓÒØØψÕÙ×ØÓÒØÓÒÙÒÖØÒÒÓÑÖ Ò×ÐÑÒÕÙÕÙÒØÕÙÒÓÒÖÐØÚ×ØÙÒØØ×ØÑØÑØÕÙÑÒØ Ä×ÕÓÑÓÒ×ÔÙÚÒØ×ÓØÒÖ∂µF µν ÎÓÖÖØ ÂÂ×ÓÒÐ××ÐÐØÖÓÝÒÑ×ÂÓÒÏÐÝËÓÒ×ÁÒ <br />

ËØ <br />

ØE= −grad(V ) − 1<br />

✷×ØÐÐÑÖØÒ ∂µ∂<br />

∂A<br />

c ∂t<br />

F µν = ∂ µ A ν − ∂ ν A µ <br />

∂µ∂ µ A ν − ∂ ν (∂µA µ ) = 4π<br />

c jν <br />

µ A ν = 4π<br />

c jν ÓÙ<br />

✷A<br />

µ = ∂ µ ∂µ<br />

= 0ÓF<br />

: B = rot(A)<br />

µν = 1<br />

2εµναβ FαβÎÓÖ


×ÓÒØÐ×ÓÓÖÓÒÒ×Ð××ÕÙ××Ð×ÔÒÓÙØÓÙØÙØÖÖÐÖØÒØÖÒØ ÔÓÙÖÐÔÖØÙÐ×ØÖÓÙÚÖÒ×ØØØ<br />

t)ÓÕ Ö×ÐÖØÈÜÓÒÔÙØÖÖÔÓÙÖÐØØÙÒÔÖØÙÐψ(q, s, ÐØÑÔ×| ψ ÌÓÙØÓ×ÖÚÐΩ×ØÖÔÖ×ÒØÔÖÙÒÓÔÖØÙÖÖÑØÕÙ<br />

ÍÒØØÔÝ×ÕÙ×ØÙÒÚØÙÖÔÖÓÔÖÐÓ×ÖÚÐΩ× ψ<br />

p<br />

ÍÒØØÖØÖÖ×ÜÔÖÑÓÑÑÙÒ×ÙÔÖÔÓ×ØÓÒÐÒÖÙÒÒ×ÑÐ ÓÑÔÐØÓÒØÓÒ××ÚØÙÖ×ÔÖÓÔÖ× ÚÐÓÖØÓÓÒÐØ<br />

Óωn×ØÐÚÐÙÖÔÖÓÔÖÖÐÐÕÙÓÖÖ×ÔÓÒÙÚØÙÖÔÖÓÔÖφn<br />

Ä×ÔÖÒÑØÑØÕÙÐÓ×ÖÚÐΩ×ØÓÒÒÔÖ<br />

<br />

| 2×ØÙÒÕÙÒØØÒÔÓ×ØÚÒØÖÔÖØÓÑÑÐÔÖÓÐØ<br />

ÒÔÖØÙÐÖÐÑÔÙÐ×ÓÒpÐÔÖØÙÐ×ØÓÒÒÔÖ <br />

<br />

Ωψ =<br />

Ωψ ψ<br />

pi → ∂<br />

i ∂qi<br />

Ωφn = ωnφn<br />

= i∇<br />

ψ = <br />

<br />

anϕn<br />

ϕn<br />

ϕm = δnm<br />

n<br />

| an | 2ÖÔÖ×ÒØÐÔÖÓÐØØÖÓÙÚÖÐ×Ý×ØÑÒ×ÐØØÒ<br />

〈Ω〉ψ = 〈ψ|Ω|ψ〉 = <br />

| an |<br />

n<br />

2 ÓÖÖ×ÔÓÒÐÒØÖØÓÒ×ÙÖÐ×ÓÓÖ <br />

ÒÖ ÄÚÓÐÙØÓÒÙÒ×Ý×ØÑÔÝ×ÕÙ×ØÖÔÖ×ÒØÔÖÐÕÙØÓÒËÖ ÓÒÒ×ØÐ×ÓÑÑØÓÒ×ÙÖÐ×ØØ×ÒØÖÒ×<br />

ωn Ò×Ð×ÖÐØÓÒ×××Ù×Ð×Ò <br />

i ∂ψ<br />

∂t = Hψ Ø××ÚÐÙÖ×ØÚØÙÖ×ÔÖÓÔÖ×ÖÔÖ×ÒØÒØÐ×ØØ××ØØÓÒÒÖ×ÔÓ××Ð×Ù À×ØÐÀÑÐØÓÒÒÙ×Ý×ØÑËÐ×Ý×ØÑ×ØÖÑÀ×ØÒÔÒÒØ <br />

ÙÒÔÓØÒØÐÖÐÎÐÕÙØÓÒÚÒØ<br />

<br />

− 2∇2 <br />

+ V ψ = i<br />

2m ∂<br />

∂t ψ <br />

<br />

×Ý×ØÑÙÖÔÓ×ËÐÓÒÓÒ×ÖÙÒÔÖØÙÐÒÖÒØÕÙÔ2ÑÒ×


ÓÒÒÐÓÙ ÓÒÔÓ×<br />

E → i ∂<br />

∂t<br />

ÇÒÚÑÒØÒÒØ×Ö×ØÖÒÖÙ××ÔÖØÙÐ×ÐÖ×Î ËÐÓÒÑÙÐØÔÐÐÕ ÚÎ ÔÖψ ∗ØÓÒ×ÓÙ×ØÖØ×ÓÒÓÑÔÐÜ ÓÒÙÙÑÙÐØÔÐÔÖψÓÒÓØÒØÐÕÙØÓÒÓÒØÒÙØ<br />

×ÐÓÒÑÙÐØÔÐρØjÔÖÐÖÐÔÖØÙÐÓÒÜÔÖÑÐÓÒØÒÙØÙ Ü×ØÒÐÔÖØÙÐØ×ÖØÖ×ØÕÙ×ÕÙÐÐØÖÒ×ÔÓÖØÈÖÜÑÔÐ ØØÕÙØÓÒÜÔÖÑÐÓÒ×ÖÚØÓÒÐÔÖÓÐØÓÒÐÔÖÓÔÖØ ÓÙÖÒØÐØÖÕÙ ÄÔÖÑÖØÒØØÚØÖÒ×ÔÓ×ÖØÓÙØÐÒ×ÙÒÓÒØÜØÖÐØÚ×ØÔÖØ ÐÜÔÖ××ÓÒÐÒÖE 2 ÓØÒØ Ø ÓÒ<br />

ÕÙÔÙØ×ÖÖ×ÓÙ×ÐÓÖÑÙÒÕÙØÓÒÓÒ<br />

−<br />

Ç×ÖÚÓÒ×ÕÙ ÐÓÙÐÙØÕÙÐÓÒÙÒÑÙØ×ÒÒ×Ð×ÓÐÙØÓÒ exp(±iEt/)<br />

ÓÑÔØÐÐ×ÖÙØÐÔÓÙÖÖÖÐØØ×ÒØÔÖØÙÐ× ÇÒÚÖÖÕÙØØ×ØÙØÓÒÒ×ØÔØÓÐÓÕÙÕÙÒÔÔÖÒØÕÙÒÒ<br />

ÑÔÐÕÙ××ÓÐÙØÓÒ×ÒÖÒØÚ∼<br />

ÈÖØÒØ ÐÔÖÓÙÖ××Ù×ÑÒÐÕÙØÓÒÓÒØÒÙØ<br />

ÄÔÖÓÐÑ×ØÕÙÙ×Ù×ÓÒÓÖÖÐÖÚØÑÔÓÖÐÐÒ×ÐÕ ÐÜÔÖ××ÓÒ<br />

<br />

(ψ<br />

dρ<br />

+ ∇ · j =<br />

dt 0Úρ = ψ ∗ ψØj =<br />

<br />

2mi [ψ∗ ∇ψ − (∇ψ ∗ )ψ] <br />

= (Ôc) 2 2ÒÙØÐ×ÒØ + (Ñ2 ) 2 ∂ 2 t ψ = (−2c 2 ∇ 2 + m 2 c 4 <br />

)ψ<br />

ÕÙØÓÒÃÐÒÓÖÓÒ<br />

<br />

mc<br />

<br />

2<br />

✷ + ψ = 0<br />

<br />

E = ± (pc) 2 + (mc2 ) 2<br />

∂<br />

∂t (ψ∗∂tψ − ψ∂tψ ∗ ) + ∇(ψ ∗ ∇ψ − ψ∇ψ ∗ ÓÙ ) = 0 ,<br />

∂ µ (ψ ∗ ∂µψ − ψ∂µψ ∗ ) = ∂ µ jµ = 0<br />

∗ ∂tψ − ψ∂tψ ∗ )


ÒØ×ÐÓÒÓÒ×ÖÙÒ×ÓÐÙØÓÒ Ò×ØÔ×ÒÔÓ×ØÚÕÙÑÔÐ××ÓÖÙÒÒ×ØÔÖÓÐØ<br />

ÖÕÙÑÒØÔÖÓÐÑÑÒÐÒÓÒÔÖÓÚ×ÓÖÐÕÙØÓÒÃÐÒ ÓÖÓÒ ÓÒÓØÒØÙÒÒ×ØÆ2ÕÙ×ØÒØÚÔÓÙÖÐ×ÓÐÙØÓÒÚ


Ò× Ø Ð×ØÐ×ÖÔÖ×ÒØÒØ×ÑØÖ×ÜØÐ×σ i×ÓÒØ Ð×ÑØÖ×ÈÙÐÇÒÒØÖÓÙØÙ××<br />

γ 5 = iγ 0 γ 1 γ 2 γ 3 ÄÓÒØÓÒÓÒÓÒÐÓÖÑÙÒÓÙÐ×ÔÒÙÖ<br />

=<br />

ÆÓØÓÒ×ÕÙÐÒ×ØÔ×ÙÒÕÙÖÚØÙÖ ÄÓÙÖÒØÔÓÙÖÐ×ÔÖØÙÐ×Ö<br />

ÒÔÖÒÒØІ ψ×Ø×ØÐÕÙØÓÒÖÓÒØÕÙÐÓÒÓØÒØ<br />

= ÇÒÒØÐÓÙÖÒØÔÖƆ<br />

ψ×ØÔÔÐÐÓÒØψ ØÒÑÙÐØÔÐÒØÔÖγ 0ÇÒØÖÓÙÚÕÙØØÜÔÖ××ÓÒ ×Ø×ØÐÕÙØÓÒÓÒØÒÙØ∂µj µ ÕÙÔÓÙÖÓÑÔÓ×ÒØØÑÔÓÖÐÐÐÕÙÒØØÒÔÓ×ØÚj 0 ÆÓØÓÒ×ÕÙψ † ØÖÖÕÙψψÔÖÓÒØÖ×ØÒÚÖÒØ Ä××ÓÐÙØÓÒ×ÐÕÙØÓÒÖ<br />

ψÒ×ØÔ×ÙÒ×ÐÖÙÒÒÚÖÒØÄÓÖÒØÞÓÒÔÙØÑÓÒ<br />

ÔÖ×ÓÐÙØÓÒ× 0Ò××ÓÒÐ<br />

Ú<br />

ÓÒ×ÖÓÒ×ØÓÙØÓÖÐ×ØÙØÓÒ×ØØÕÙp =<br />

<br />

ψ±(t)<br />

<br />

ÐØÖÓÒØÙÒÔÓ×ØÖÓÒ×ÔÒ ÇÒÖÓÒÒØÙØÖÔÖØÒ× ÔÓÒÒÓÖ×ÒÖ×ÒØÚ×ÇÒ××ÓÖ××ÓÐÙØÓÒ×ÙÜÒØÔÖØÙÐ× Ñ2×ØÐÒÖÐÔÖØÙÐÙÖÔÓ×Ð×ÓÐÙØÓÒÐÜÔÓ×ÒØÔÓ×ØÓÖÖ× ÙÜ×ÔÒÙÖ×ÙØÐ×Ð×ÔÓÙÖÖÖÙÒ<br />

ψ+<br />

<br />

⎛<br />

⎜<br />

ψ = ⎜<br />

⎝<br />

ψ1<br />

<br />

0 1<br />

1 0<br />

ψ2<br />

ψ3 ⎠<br />

t<br />

ψ4<br />

∗ (a )<br />

j µ (x) = cψ † (x)γ 0 γ µ ψ(x) = cψ(x)γ µ ψ(x)Óψ = ψ † (x)γ 0<br />

cψ † ψÓÑÑØØÒÙ<br />

=<br />

⎞<br />

⎟<br />

= 0 j µ×ØÙÒÕÙÖÚØÙÖÄÓÖÒØÞ<br />

= ρc = cψγ0ψ =<br />

= e +i(mc2 t/) ψ±(0)<br />

ψ1<br />

ψ2<br />

<br />

et ψ− =<br />

ψ3<br />

ψ4


ÒÓÒ××ÓÐÙØÓÒ×ÒÓÖÑÓÒÔÐÒ 0ÇÒ×ØÒØÖ×××ØØ×ÒÖ<br />

ÕÙÓÒÖØÓÒÓÒÒ×<br />

ÎÒÓÒ×ÒÐ×ØÙØÓÒÝÒÑÕÙp =<br />

ψ(x) = ae ixp/ ËÐÓÒÒ×Ö Ø Ò×ÐÕÙØÓÒÖÓÐ×ÑØÖ×γ×ÓÒØÒ×Ò ÓÒÓØÒØÐ××ÓÐÙØÓÒ×ÒÓØØÓÒ×ÐÖ <br />

u(p)<br />

u (1) = N<br />

u (3) = N<br />

⎛<br />

⎜<br />

⎝<br />

⎛<br />

⎜<br />

⎝<br />

1<br />

0<br />

cpz<br />

E+mc 2<br />

c(px+ipy)<br />

E+mc 2<br />

cpz<br />

E−mc 2<br />

c(px+ipy)<br />

E−mc 2<br />

1<br />

0<br />

ψ(r, t) = ae −i(Et−p·r)/ u(E, p) <br />

⎞<br />

⎟<br />

⎠ , u(2) = N<br />

⎞<br />

⎟<br />

⎠ , u(4) = N<br />

⎛<br />

⎜<br />

⎝<br />

⎛<br />

⎜<br />

⎝<br />

0<br />

1<br />

c(px−ipy)<br />

E+mc 2<br />

−cpz<br />

E+mc 2<br />

×E = m2c4 + p2c2 <br />

×E = − m2c4 + p2c2 ÇÒÓ×ÐÒÓÖÑÐ×ØÓÒÔÖØÙÐ×ÔÖÙÒØÚÓÐÙÑÖØ Ú N<br />

(4)ÙÔÓ×ØÖÓÒ <br />

ÕÙ×ÓØÒØ ÇÒ××ÓÓÒÚÒØÓÒÐÐÑÒØÐ×ÚØÙÖ×ÔÖÓÔÖ×u ÇÒÚÙØÕÙÔÓÙÖÐÔÓ×ØÖÓÒÓÑÑÔÓÙÖÐÐØÖÓÒE ><br />

c(px−ipy)<br />

E−mc 2<br />

−cpz<br />

E−mc 2<br />

0<br />

1<br />

⎞<br />

⎟<br />

⎠<br />

⎞<br />

⎟<br />

⎠<br />

= (| E | +mc2 )/c<br />

u † <br />

u = 2 | E | /c<br />

ÊÑÖÕÙÓÒ×ÕÙÙØÖ×ÒÓÖÑÐ×ØÓÒ××ÓÒØÔÓ××Ð×u † (2)×ÓÒØ×ÚØÙÖ×ÔÖÓÔÖ×ÐÓÔÖØÙÖÒÖÚÐÚÐÙÖÔÖÓÔÖ<br />

u| E |Ñ2<br />

u (1)Øu<br />

| E |<br />

u (3)Øu (4)×ÓÒØ×ÚØÙÖ×ÔÖÓÔÖ×ÚÐÚÐÙÖÔÖÓÔÖ| E |<br />

(3)Øu


ÔÖØÐ××ÓÐÙØÓÒ×ÔÓÙÖ×ÔÖØÙÐ×ÒØÚÓÑÑ××ÓÐÙØÓÒ×ÔÓÙÖ Ð×ÒØÔÖØÙÐ×ÔÓ×ØÚ ×ÐÓÒÒÐ×ÒEØ×ÑÙÐØÒÑÒØÐÙÔ ÓÒÓÒÖÒØÖ<br />

ÇÒÓØÒØ<br />

<br />

Ä×u×Ø×ÓÒØÐÕÙØÓÒ ÓÖÒÚÒØÓÒÐ××Ö (4)Ð×ÚØÙÖ×ÔÖÓÔÖ×<br />

ØÐ×vÐÕÙØÓÒ<br />

ØÐ×ÒÓØØÓÒ×u (2)Ð×+<br />

ÊÑÖÕÙÓÒ×ÕÙÔÓÙÖÖÚÒÖÐÓÖÑ ÐÙØÖÐ×Ù×ØØÙØÓÒ<br />

(γ<br />

γ 0 ÉÙÐÕÙ×ÕÙ×ØÓÒ××ÔÓ×ÒØØ<br />

ÓÒÚÓÖÔÒ×ÞÑÖÓÒÒÐÖÔÓÒ××ÙÚÒØØØÒØÖ ÇÒÒÚÙØÔ×ÔÖØÙÐ×ØØ×ÓÖØÍÒÑ××ÒØÚ×ØÐ ÉÙÒØØÚÑÒØÐ××ÓÐÙØÓÒ×ÒÖÒØÚ<br />

= β<br />

ÖÓØÓÒ×ÓØ×ÒÖÒØÚÜ×ØÒØÒ×ÐÍÒÚÖ×Ñ×Ð×ØØ×<br />

•<br />

ÔÖÔÖØÙÐØÖÓÙÔÙØ×ÓÖÑÖÔÖÔ××ÙÒ×Ô×ÙÓÔÖØÙÐ× ÙÒÓÖÑÑÒØÒØÖÐ×ØØ××ÔÓÒÐ×ÚÓÖÐÔÖÒÔÜÐÙ×ÓÒÈÙÐ ÙÒÓÖÑÑÒØÓÙÔ×ÒØÓÒÓÒ×Ö×ÖÑÓÒ×ÕÙ××ØÖÙÒØ Ñ××ÑØÖqÕÙÓÖÖ×ÔÓÒÒØ(−E,<br />

ØØÒØÖÔÖØØÓÒÒ×ÔÔÐÕÙÓÒÔ×ÙÜÓ×ÓÒ× 2Ñ2Ù×Ý×ØÑÚÙÒ<br />

−p),<br />

<br />

ËÐÓÒÔÔÓÖØÙÒÖØÒÕÙÒØØÒÖδE ><br />

u (1)Øu (2)ÖÔÖ×ÒØÒØÐ×−ØÐ×ÚØÙÖ×ÔÖÓÔÖ×v<br />

v (1) (E, p) = u (4) (−E, −p) = N<br />

⎛<br />

⎜<br />

⎝<br />

⎛<br />

v (2) (E, p) = u (3) ⎜<br />

(−E, −p) = N ⎜<br />

⎝<br />

c(px−ipy)<br />

E+mc 2<br />

−cpz<br />

E+mc 2<br />

0<br />

1<br />

cpz<br />

E+mc2 c(px+ipy)<br />

E+mc2 1<br />

0<br />

⎞<br />

⎟<br />

⎠<br />

⎞<br />

⎟<br />

⎠<br />

(3)Øu<br />

(1)Øv<br />

(γ µ pµ − mc)u = 0<br />

γ<br />

µ pµ + mc)v = 0<br />

i = βαi<br />

E > 0×ÓÒØÒÓÖÑÐÑÒØØÓÙ×


2<br />

+m<br />

E<br />

particule<br />

<br />

−m<br />

2<br />

ÓÖÑØÓÒÙÒÔÖÔÖØÙÐØÖÓÙ×ÐÓÒÖ<br />

trou=antiparticule<br />

ÕÙÚÐÒØÙÒÔÖØÙÐÕÙÖÙÐÓÐ×Õ ÐØØÔÖØÙÐÑ××ÑØÖqÄØÖÓÙ×ÓÑÔÓÖØÓÑÑÙÒÒ ÔÖÓÐÑ×ØÓÒØÓÙÖÒÔÖÐØÓÖÕÙÒØÕÙ×ÑÔ×<br />

p)Ñ××mØÖ−qÍÒØÖÓÙÕÙÚÒ×Ø<br />

(2)ÖÔÖ×ÒØÒØÐ×ÙÒÐØÖÓÒÒ××ØØ× ÁÐÙØÖÑÖÕÙÖÕÙ ØÔÖØÙÐÖØÖ×ÔÖ(E,<br />

• Ä×ÚØÙÖ×ÔÖÓÔÖ×u (1)Øu<br />

×ÔÒ±1/2 ÄÖÔÓÒ××ØÒÓÒËÐÓÒÒØÐÓÔÖØÙÖ×ÔÒ<br />

S = <br />

ÐÕÙØÓÒÖÑÔÐÕÙØØÓÒ×ÖÚØÓÒ<br />

<br />

σ 0<br />

ÜÖÑÓÒØÖÖÕÙ<br />

S×ØÙÒÕÙÒØØÓÒ×ÖÚØ<br />

2 0 σ ÕÙ×ÙÐÐÑÓÑÒØÒÙÐÖØÓØÐJ = L +<br />

S1 = i<br />

2 γ2γ 3<br />

S2 = i<br />

2 γ3γ 1 ØÔÖØÖÐÕÙ S = − 1<br />

ÐÓÒÐÖØÓÒÙÑÓÙÚÑÒØÞØÔÖL=0)ÕÙÓÒÓØÒØÐ××ÓØÓÒ ×Ø×ÙÐÑÒØÒ×Ð×ÔÖØÙÐÖÔxÔy <br />

ÕÙÒÓÒÔÖÓØØÐ×ÔÒÐ<br />

ÓÒÔÙØÚÖÖÕÙÐÓÒÒÔ××ÚØÙÖ×ÔÖÓÔÖ×ËzÄÖ×ÓÒÒ×Ø<br />

S3 = i<br />

2 γ1γ 2 <br />

2 γ0γ 5 <br />

γ


Ö×ÔÓÒÒØ×Ø |−〉ØØÔÖÓØÓÒ×ÔÔÐÐÐÐØØÐÓÔÖØÙÖÓÖ Ù(1) = |+〉ØÙ(2) =<br />

λ ≡ S · ˆp = Ä×ØØ×ÔÓ××Ð××ÓÒØλ=±/2ÐØ×ÔÓ×ØÚØÒØÚÕÙÐÓÒÖÔÖ ×ÒØÔÖÙÖ Ó <br />

<br />

σ · ˆp 0<br />

ˆp = p/ | p |<br />

2 0 σ · ˆp<br />

+1/2<br />

ÄÔØØÓÒÒÐÖØÓÒÐÔÖØÙÐÐÖÓ××ÖÔÖ×ÒØÐÔÖÓ ØØ×ÐØÔÓ×ØÚØÒØÚ<br />

−1/2<br />

ÕÙÒØÕÙ ØÓÒÙ×ÔÒ×ÙÖØØÖØÓÒ ÄÓÔÖØÙÖÐØÓÑÑÙØÚÐÀÑÐØÓÒÒÀλ×ØÙÒÓÒÒÓÑÖ<br />

ÓÙÓÒØÓÙØØÔÓÙÖ ÈÓÙÖÐÑÓÒØÖÖÐÙØÖÖÙÒÔÖ×ÖÔØÓÒÕÙÔÖÑØØÔ××Ö ÐØØψ(x)ÖØÔÖÐÓ×ÖÚØÙÖÇÐØØψ ′ (x ′ )ÖØÔÖÇÓψ ′ (x ′ ×Ø×ØÐÕÙØÓÒÖ<br />

)<br />

<br />

µ ∂<br />

iγ<br />

∂x ′ <br />

− mc ψ<br />

µ ′ (x ′ ) = 0<br />

(γ µ p ′ µ − mc)ψ ′ (x ′ ÄØÖÒ×ÓÖÑØÓÒÓØØÖÐÒÖ <br />

) = 0<br />

ψ ′ (x ′ ) = ˜ <br />

•ÄÕÙØÓÒÖÑØÐÐÙÒÐÑØÒÓÒÖÐØÚ×ØÖ×ÓÒÒÐ ÒØÐ×ÓÐÙØÓÒÜ×ØÚÓÖÔÜÖ ÔÖØÖ Ø ÓÒÓØÒØ<br />

S(ÇÇ′ )ψ(x),Ó˜<br />

<br />

ÉÐÐØ×ØÐÐÙÒÒÚÖÒØÄÓÖÒØÞ<br />

• ØÓÒÚÖÑÒØÓØÒÙÙÒÓÖÑÙÐØÓÒÓÚÖÒØÁÐÚÖØØÖÐÖÕÙ<br />

S×ØÙÒÑØÖÜ


Hψ = (cp · α + mc 2 β)ψ = Eψ<br />

<br />

0 σ<br />

c · p + mc<br />

σ 0<br />

2 ÓÐÓÙÔÐ <br />

<br />

1 0<br />

ψ = Eψ<br />

0 −1<br />

<br />

cσ · pψ− = E − mc2 )ψ+<br />

cσ · pψ+ = E + mc2 Ò×ÐÐÑØÒÓÒÖÐØÚ×Ø×ØÓÑÒÔÖÑ2 )ψ−<br />

cσ · p<br />

ψ− =<br />

E + mc2ψ+ σ · p<br />

−→<br />

2mc ψ+ ÇÒÔÔÐÐψ−ÐÔØØÓÑÔÓ×ÒØÖØÔÖÐØÙÖ ÇÒÑÓÒØÖÕÙ×ÐÓÒÓÒ×ÖÐÔÖØÙÐÒÒØÖØÓÒÚÙÒÑÔÑ Ñ <br />

ÜØÖÒØÕÙÓÒÒØÖÓÙØÐÓÙÔÐÑÒÑÐ<br />

p µ → p µ − e<br />

c Aµ ÓÒØÓÑ×ÙÖÐÕÙØÓÒÈÙÐ <br />

A ≡ (V, A),<br />

i ∂<br />

2 (p − (e/c)A)<br />

ϕ =<br />

−<br />

∂t 2m<br />

e <br />

<br />

σ · B + eV ϕ<br />

2mc ÚB = rot(A)ØϕÙÒ×ÔÒÙÖ(ϕ = eimc2 ØÖÑÕÙÖØÐÒØÖØÓÒÒØÖÐÐØÖÓÒØÐÑÔÑÒØÕÙ ÇÒÚÓØÕÙÒ××ÐÑØÒÓÒÖÐØÚ×ØÐÕÙØÓÒÖÓÑÔÖÒÙÒ<br />

t/ψ+) − e e<br />

σ · B ≡ −g S ·<br />

2mc 2mc BÚS = 1<br />

2 σØg<br />

•ÉÙÒ×ØÐ×ÔÖØÙÐ××ÔÒÒØÖ ×ØÐØÙÖÄÒÐÔÖØÙÐ<br />

ÕÙÔÓÙÖÐÕÖÓÒÓÒ×ÖÐ×ÒÖ×ÒØÚ×ÓÑÑØÒØ××Ó ÇÒÖÚÒØÐÕÙØÓÒÃÐÒÓÖÓÒØÓÒÝÔÔÐÕÙÐÑÑÓÒÚÒØÓÒ Ø <br />

=<br />

Ô×ÙÓ×ÐÖÓÑÑÐÓÒÚÖÖÔÐÙ×ØÖÐÐ×ØÒÚÖÒØÚ×Ú×× ØÖÒ×ÓÖÑØÓÒ×ÄÓÖÒØÞÇÒÔÙØÚÓÖÐÓÒÒØÙØÚÒÖÑÖÕÙÒØ ×ÙÜÒØÔÖØÙÐ×ÄÕÃ×ØÔØÖÖÙÒÔÖØÙÐ×ÐÖÓÙ<br />

ÒÚÖÒØÐÙØÕÙÐÓÒØÓÒÓÒ×ÓØÙÒ×ÐÖÐÐÒÓØÔ×ÔÒÖ ÔÖÓØØÖÐÓÖÔÓÙÖÐ×ÖÔØÓÒ×ØØ×ÔÖØÙÐ××ÔÒ ÙÒÖØÓÒÔÖÚÐÐ×ÔÐ×ÔÒÓØØÖÒÙÐÍÒÓÖÑÐ×ÑÔÔÖÓ<br />

2 <br />

ÕÙÐÓÔÖØÙÖ✷Ñ22℄×ØÙÒÒÚÖÒØÓÒÔÓÙÖÕÙÐÔÖÓÙØÔÖψÖ×Ø<br />

Ø


ÖÐÐ× ÇÒ×ÑÔÐ×ÓÙÚÒØÐÖØÙÖ×ÓÖÑÙÐ×ÔÖÐÓÔØÓÒ×ÙÒØ×ÒØÙ Ä×ÙÒØ×ÒØÙÖÐÐ×<br />

ÄÕÖÚÒØ<br />

c<br />

ÕÙ×ÓÙÚÒØÐÓÒÖÔÖ<br />

ÉÚÖÖÕÙÅÎÑ−1 ÈÖÓÔÖØ××ÑØÖ×γ<br />

<br />

ØÖÒÙÐÐØ×ÔÒ <br />

ÈÓÙÖ×ÒÓÖÑØÓÒ×ÔÐÙ×ÓÑÔÐØ×ÚÓÖÔÖÜÊ ÇÒÓØØÖØÖÔÖØÐÐÑØÑ→Ä×ÙÐÔÖØÙÐÓÒÒÙÑ××ÔÙØ ×ØÐÒÙØÖÒÓ ÔÔÒÜ<br />

ÄÕÙØÓÒÖÔÓÙÖm =<br />

<br />

= h/2π = = 1<br />

(γ µ pµ − m)ψ = 0<br />

(/p − m)ψ = 0 avec : /a = γ µ aµ<br />

{γ µ , γν } 2g µν<br />

γ5 iγ 0γ1γ 2γ3 {γ µ , γ5 }<br />

γ µ γµ<br />

γµγνγ µ −2γ ν<br />

γµγνγ λγ µ 4g νλ<br />

γµγ ν γ λ γ σ γ µ−2γ σ γ λ γ ν<br />

0


Ä×Õ Ø 0ÓÒÒÒØ ÔÓÙÖm =<br />

γ µ Ø pµu = 0 µ <br />

pµv = 0<br />

ÄÕÔÓÙÖuÕÙÓÖÖ×ÔÓÒÐÔÖØÙÐÔÙØ×ÖÖ γ<br />

γ i piu = −γ 0 p0u = −γ 0 ÓÙÙ×× Ö <br />

Eu p0 = E<br />

ÕÙÓÒÒ<br />

γ<br />

S · pu = 1<br />

2 γ5 ÓÙ S · p 1<br />

Eu u = λu =<br />

| p | 2 γ5 <br />

u ÇÒÙØÐ×ÐØÕÙÔÓÙÖÙÒÔÖØÙÐÑ××ÒÙÐÐ| p | ÅÙÐØÔÐÓÒ×ÔÖγ 5ØÓÙØÓÒ×Ø×ÓÙ×ØÖÝÓÒ×ÐÖ×ÙÐØØÓØÒÙÐÕÙ ØÓÒÔÖØ λ(1 + γ 5 )u = 1<br />

2 (1 + γ5 )u<br />

λ(1 − γ 5 )u = − 1<br />

2 (1 − γ5 Óλ×ØÓÒÒÔÖ <br />

)u ÓÒ(1<br />

ÐØÒØÚÜ×ØÐØÔÓ×ØÚÔÓÙÖÐ×ÒØÒÙØÖÒÓ× ÈÖÐ×ÙØÓÒÑÓÒØÖÖÜÔÖÑÒØÐÑÒØÕÙÔÓÙÖÐ×ÒÙØÖÒÓ××ÙÐÐØØ<br />

negativeÔÓÙÖÐÔÖØÙÐÄ×ØÙØÓÒÔÓÙÖÐÒØÔÖØÙÐ<br />

|ÓÒÒ×Ö×ÙÐØØ×ÒÚÖ××<br />

± ×ÓÒØ×ØØ×ÐØpositive ÐÓÒØÓÒ×ØÐÓÖ×vØE= − | p<br />

ÇÒÑÙÐØÔÐÕÙ ØÔÖ− 1<br />

2 γ0 γ 5ØÓÒÙØÐ×ÐÕ<br />

· pu = γ 0 Eu <br />

γ 5 )u


Ä×ÔÖÓÔÖØ××ÔÖØÙÐ×<br />

ØÙÐ×Ó×ÖÚ×Ò×ÐÒØÙÖÐÙÖ×Ñ××ÖØÑÔ×Ú×ÔÒ Ò×ÔØÖÓÒÔÖ×ÒØÙÒÖØÒÒÓÑÖ×ÖØÖ×ØÕÙ××ÔÖ ÁÒØÖÓÙØÓÒ<br />

ØÒØÐØÖÑÒØÓÒ×ÖÒÙÖ× ÒØÔÖØÙÐÖ×ØÑ×Ò×ÐÜÔÓ××ÑØÓ×ÜÔÖÑÒØÐ×ÔÖÑØ ÍÒ<br />

ÄÑ×× ÄÑ××ÙÒÔÖØÙÐ×ØÐÚÐÙÖÕÙÐÓÒÓØÒØÔÖ(E 2 ÙÒÔÖØÙÐÐÖØ×ØÐ ØÕÙÐÓÒÐÑÒØÓÙØÒØÖØÓÒÁÐ×ØÓÒÙÒÒÓÑÖÒÒÔÓÙÖ ÐÑ×××ØÐÐÑÒØÕÙÖ×ØÒ×ÐÀÑÐØÓÒÒÓÙÐÄÖÒÒÕÙÒÔ<br />

×ÓÒØÒØÕÙ× Ò×Ð×ÙÒ×ÝÑØÖÔÖØÒØÖÔÖØÙÐØÒØÔÖØÙÐÐÙÖ×Ñ×××<br />

×ÓÒØÙØÐ×× ÐÓÒÒØÖÓÙÚÔ×ÐØØÐÖÒ××ÔØÓÐÓÕÙÔÐÙ×ÙÖ×ÒØÓÒ× ÁÐÒ×ØÔ×ÚÒØÒÖÐÖÑÒØÐÑ××ÙÒÕÙÖÔÖØÙÐÕÙ<br />

•ÐÑ××ÐÖÒÒÒ×ØÐÚÐÙÖ×ÙÔÔÓ×ÔÓÙÖÙÒÕÙÖÐÖÓÒ Ð×ØÓÖÕÙ×ØÐÐ×ØÐÓÖÖÕÙÐÕÙ×ÅÎÔÓÙÖÐ×ÕÙÖ×ÙØØ ÐÓÖ×ÕÙÐÒØÖØÓÒÓÖØ×ØØÒØØØÚÐÙÖÔÙØ×ÙÖÔÖ×ÑÓ<br />

•ÐÑ××ÓÒ×ØØÙÒØ×Ø××ÒØÐÐÑÒØÙÒÑ××ØÚÕÙ×ÖÔÔÓÖØ ÙÒÕÙÖÒÒØÖØÓÒÐÒØÖÙÖÙÒÖÓÒÈÓÙÖÐ×ÕÙÖ×ÙØÔÖ ÅÎÔÓÙÖÐÕÙÖ×<br />

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×ÒÚÖÓÒ ÔÖÒÐÑ××ÙΛÙ×ØÕÙÐÓÒ×ÓÙ×ØÖØÐÑ××ÙÒÙÐÓÒÓÒØÖÑÒ ÙÒ ÐÑ×××ÔÓÒÐÕÙÓÒÒ ÅÎ ÅÎÒÚÖÓÒËÐÓÒ<br />

ÚÙÒÓÒÒÔÖ×ÓÒÐÑ××ÙØÐÐÙÏÈÖÓÒØÖÐØØÖÙØÓÒ ÙÒÑ××ÙÐÙÓÒ×ÙÖØÙÑÑÓÖÖÙÐØÕÙÔÓÙÖÐ×ÕÙÖ×Ð ÇÒØØÖÙÙÒÑ××ÞÖÓÙÔÓØÓÒÜÔÖÑÒØÐÑÒØÓÒÙÒÐÑØ<br />

ÐÑ×× ÇÒÑØÙÒÑ××ÒÙÐÐÑ×ÚÕÙÐÕÙ×ÓÙØ× ÐÙÓÒÑÐÚÓÑÑÙÒÙØÖØÐ×ØÓ×ÖÚÜÐÙ×ÚÑÒØÒÒØÖØÓÒ<br />

Å×ÓÚØÐËÓÚÈÝ×Í×Ô ÅÓÒ×ÓÐÂÀÐÈÝ×ÊÚ ÇÒÚÖÖÙÓÙÖ×ÙÔØÖÐÓÖ×ÕÙÓÒÔÖÐÖ×ÔÖÓÔØÙÖ×ÙÒÙØÖÒØÓÒ <br />

<br />

− p 2 ) 1/2ÓÒ<br />

mγ < 3 10 −33ÅÎÔÖÐÚÐÙÖÙÑÔÑÒØÕÙÐØÕÙÇÒÓÒÒØ


×ÓÒ×ÙÖÐÚÐÙÖÐÑ×××ØØÔÖÐØÑÔ×ÚτÚÐÖÐØÓÒ ÓÒ×ÖÓÒ×Ù××Ð×ØÙØÓÒ×ÔÖØÙÐ×Ò×ØÐ×Ò××ÐÔÖ<br />

ÓΓ×ØÔÔÐÐÐÖÙÖÄÔÖØÙÐρÔÖÜÑÔÐ ÒÖØØÙΓτ ≥ ÙÒÑ××mρÅÎÑ×ÐÐÙÒÙÖÚÐÓÖÖ4.10 −24×ÕÙ ÙÒÐÖÙÖÐÓÖÖÎÒÚÖÓÒ ÉÙÒÐÐÖÙÖΓÐÔÖØÙÐ×ØÒÓÒÒÐÐÓÒÔÖÐÔÐÙØØ<br />

151ÅÎ×ÓØÐÚÐÙÖÒØÖÐÐÙÖÑ×× mρÄ×Ó×ÓÒ×ØÏÓÒØ<br />

= ×ØÖÙØÔÖÙÒÐÖÙÖΓρ Ö×ÓÒÒÐÔÐÔÖØÙÐÌÝÔÕÙÑÒØÐ×ÓØ×ÕÙÚÚÒØ


Ñ×× ÇÒÚÑÒØÒÒØØÙÖÕÙÐÕÙ×ØÒÕÙ××ØÒÖ×ÔÓÙÖÐÑ×ÙÖÐ<br />

ÄÔÖÓÓÒÙÖÔÒØÖØÓÒÙÒÔÖØÙÐÒ×ÐÑØÖÔÙØØÖÐÙÐ ÄÑ×ÙÖÐÑ××ÔÖØÖÐÔÖÓÓÒÙÖÔÒØÖØÓÒ Ò×ÙÒÑÐÙ<br />

ÐØÖØÓÖÒ×ÙÒÑÔÑÒØÕÙÔÔÐÕÙ×ØÓÒØÓÒÐÕÙÒØØ ÕÙÐÔÖÓÙÖ×ÖÒÙ×ÕÙÐÖÖØÐÔÖØÙÐ×Ø××ÒØÐÐÑÒØÓÒØÓÒ ÐÚØ××ÐÐÐÒØÖR(v)ÇÒ×ØÔÖÐÐÙÖ×ÕÙÐÓÙÖÙÖ<br />

dxÖÐØÓÒØÐÓÇÒØÖÓÙÚ<br />

ÑÓÙÚÑÒØpÄ×Ñ×ÙÖ×ÓÑÒ×ÐÓÙÖÙÖÑÒØÕÙÐÒØÖÒ× ÐÑØÖØÐÔÖÓÓÒÙÖÔÒØÖØÓÒÒ×ÐÐÔÖÑØØÒØÓÒÙÒ<br />

ÔÖØÖÐÔÖØÒÖ×ÔÕÙdE<br />

ÔÖÖ×ØÐÔÓÙÖÐÔÖÑÖØÖÑÒØÓÒÔÖ××Ñ×××ÙÔÓÒ<br />

p/vØØÑØÓØÙØÐ× ØÖÑÒØÓÒÐÑ××ÐÔÖØÙÐm =<br />

1% ÖØÙÑÙÓÒÄ×Ö×ÙÐØØ×ØÒØÖÑÖÕÙÐÑÒØÔÖ×∼ ÔÓÙÖÐπ +mπ +±0.3 ×ÐÑ××ÐÐØÖÓÒ ÔÓÙÖÐπ −mπ −±0.3 ×ÐÑ××ÐÐØÖÓÒ ÔÓÙÖе +mµ + ÄÑ×ÙÖÔÖÐ×ÓÒØÖÒØ×ÒÑØÕÙ×<br />

×ÐÑ××ÐÐØÖÓÒ<br />

ÇÒÙØÐ×Ð×ÐÓ×ÓÒ×ÖÚØÓÒÐÒÖØÐÑÔÙÐ×ÓÒÄÑØÓ<br />

±0.2<br />

ËÔØÖÐÑ××ØÚÔÖ×ÔÓØÓÒ×<br />

ÏÀÖ×ÏÖÒÙÑÅËÑØÈÝ×ÊÚ


Ò××ØÙÒÖÓÒ×ØÖÙØÓÒÐÔÐÙ×ÓÑÔÐØÔÓ××Ð×ÔÖÑØÖ×ÒÑØ<br />

ÕÙ×ÕÙÖØÖ×ÒØÙÒ×ÒØÖØÓÒÓÙÙÒÖØÓÒÒØÖÔÖØÙÐ×ËÓØ<br />

ËÔØÖÐÑ××ØÚÔÖ×ÔÓÒ× ÔÖÜÑÔÐÐ×ÒØÖØÓÒπ 0 γ1γ2ÓÒØÖÙ×ÓÒ×ÐÕÙÒØØ<br />

→<br />

m 2 γ1γ2 = (pγ1 + pγ2) 2 Ò×Ð×ÔÖØÙÐÖÔÓØÓÒ×Ñ××ÒÙÐÐÓÒÓØÒØ Ó<br />

m 2 γ1γ2 = 2E1E2(1 E2ØÐÒÐθ12ÔÖÑØØÒØØÖ Ó − cos θ12) Ä×Ñ×ÙÖ×ÓÑÒ××ÒÖ×E1 ÑÒÖmγ1γ2Ñ××ØÚËÐ×ÙÜÔÓØÓÒ×ÓÒ×Ö××ÓÒØ××Ù×ÙÒπ 0 <br />

p<br />

cos<br />

= (E, p)<br />

θ12 = p 1 · p 2<br />

| p 1 || p 2 |


ÒØ×ÖÖÙÖ×Ð×ÐÖ×ÓÐÙØÓÒÒÐÔÔÖÐÐÕÙØÐ ÚÐÙÖÖÓÒ×ØÖÙØmγγÚÓÖÙÖ 134.9743ÅÎ2ÒÔÖØÕÙÐ×Ñ×ÙÖ××ÓÒØ ÓÒÓØÚÓÖ< mγ1γ2 >= mπ0 =<br />

ÉÕÙÚÙØÐÐÖÙÖÑÙØÙÖÙÔπ 0ÉÙÐÐ×ØÐÐÖÙÖØØÒÙ ÉÕÙÓÓÖÖ×ÔÓÒÐÓ××ÒØÖ ÔÖ×Ð×ØÐ× ÉÕÙÐÐ×ØÐÓÖÒÙÓÒÔÙÔÖ×ÓÒØÒÙ Ò×Ð×Ð×ÒØÖØÓÒρ→ππÓÒÔÖÓÓÒ×ÑÐÖÐ× Ø ÅÎ<br />

ØØÓÒ×ÖØÖ×ØÕÙ×ÐÓØÚÓÖÙÖ ÔÖÚÒÑÒØËÙÖÙÒÖÒÒÓÑÖÚÒÑÒØ×Ð×ÔØÖÔÖÑØÙÒÒ ÔÓÒ×ÖÑÔÐÒØÐ×ÔÓØÓÒ×ÌÓÙØÓ×ÐÐÖÙÖÒØÙÖÐÐÙρÓÑÒÐÔÖÓ ÙÖØÓÒ×ÙÐØ×ÖÓÒÒØÖÐÔÖØÙÐÐÖ×ÓÒÒÚÒÑÒØ<br />

ÖÑ ÃÙÖÇÒÙØÐ×ÙÒÑÓÐ××ÒØÖØÓÒ×β×ÑÔÐØÐÖÐÓÖ Ñ×ÔÖÓÐÑÒØÒÓÒÒÙÐÐÇÒ××ØÖÑÒÖÐÔÖÐ×ÖÔÕÙ× ÄÑ××ÙÒÙØÖÒÓÕÙ×Ø××ÓÙÜ×ÒØÖØÓÒ×β×ØØÖ×ÔØØ<br />

ÔÖÓÐØØÖÒ×ØÓÒ2π | Mif | 2 ×ÔÔ×ÕÙÓÒØÒØÐÒ×Ø×ØØÒÙÜ ÓMifÓÒØÒØÐÒÓÖÑØÓÒÝÒÑÕÙÐÒØÖØÓÒØρf×ØÐØÙÖ <br />

ρf<br />

ÄÓÖ×Ð×ÒØÖØÓÒn→p + e− νeÐÐÑÒØÑØÖMifÔÙØ<br />

+ ØÖÓÒ×ÖÓÑÑÓÒ×ØÒØÁÐÓÒØÒØÐÓÒ×ØÒØÖÑÙÖÖG 2 ÜÔÖÑÐÓÖÒÙØÙÒ×Ö×ÓÑÑ××ÙÖÐ××ÔÒ×ØÐ×ÒÐ××ÙØÖ Ò×ÐÔØÖ×ÙÖÐÒØÖØÓÒÐÕÙÒÓÙ×ÒØÖ××ÑÒØÒÒØ×ØÐ Ò×ØØØ×ÒÙÜÓÒÐÒÓÑÖÔÓ××ÐØ×ÔÓÙÖÐÔÖÓØÓÒÐÐØÖÓÒ FÕÙ<br />

ÇÒÓÒ×ÖÔÖÓÒØÖÕÙÐÔÖÓØÓÒÓÙÐÒÓÝÙÒÐ×Ø×ØÐ×Ñ×× ×ØÓÒÒÒÇÒÔÙØØÖÒ×ÖÖØÓÙØÐÒØÖÑÒØÓÒÒØÐ×ÙÖÐ ØÐÒÙØÖÒÓ×ÔÖØÖÐÒÖ×ÔÓÒÐÐÑ××ÙÒÓÙÐÐÙ<br />

<br />

ÒÓÝÙÕÙ××ÒØÖÁÐ×ØÙÒØØÒ×ØÐÚÙÒÖØÒÐÖÙÖΓ<br />

ÄÒ×ØØØÒÙÜÔÙØÓÒ×ÐÙÐÖÔÖØÖØØÕÙÒØØ<br />

ÙÜÑÒ×ÓÒ×ÙÒÙØÖÓÒØØÔÖØÙÐ×ØÖØÔÖÙÒÓÒØÓÒÓÒ ÇÒÓÒ×ÖÙÒÔÖØÙÐÓÒÒÒ×ÙÒÚÓÐÙÑÎÄ3ØÖ×ÖÒÓÑÔÖ <br />

×ØØÓÒÒÖψ =sin(kxx)<br />

= ÓØLkx<br />

×Ý×ØÑ×ÙÜÐÔØÓÒ×ÒÖØÓØÐ<br />

E0 = Ee + Eν<br />

sin(kzz)ÚÐ×ÓÒØÓÒ×ÙÜÓÖ×Ð<br />

ρf = dN/dE0<br />

<br />

sin(kyy)<br />

πnx nx =


ÜÔÖÒ× ÑÓÒÚÓÐÙÚÐ×ÑÔÖØÓÒ×Ñ×ÙÖ ÖÔÕÙÃÙÖÔÓÙÖ×ÒØÖÓÒ×ÐÖ××ÔØÖØÓÖÕÙ ØÖ×ÙÐØØ×ÙÜ<br />

|ÓÒ ÓÒÔÓÙÖÙÒÕÙÒØØÑÓÙÚÑÒØp =| p<br />

<br />

nx 2 + ny 2 + nz 2 = π<br />

L n <br />

<br />

<br />

p = <br />

kx 2 + ky 2 + kz 2 = π<br />

L


ÚÑÒØÔÐÙ×ÔØØÕÙÔ×ØÓÒÒÔÖ ÄÒÓÑÖÑÜÑÙÑØØ××ÔÓÒÐ×ÚÙÒÚÐÙÖÐÕÙÒØØÑÓÙ ÙÚÓÐÙÑÐ×ÔÖÖÝÓÒ <br />

ÒÔÒÒØ××Ø ÄÒ×Ø×ØØ××ÔÓÒÐ×ÔÓÙÖÐÐØÖÓÒÔØÐÒÙØÖÒÓpνÓÒ×Ö× ÓÒ dN<br />

ÍÒÓ×Ó×ÐÒÖEeÐÐØÖÓÒÐÐEνÙÒÙØÖÒÓÓÒ×ÖÑ××<br />

d<br />

ÓÒÐÓÒØÖÙØÓÒÏ××ÓÐØØÒÐÚÙÒÐØÖÓÒÑÔÙÐ×ÓÒÓÑ<br />

dp×Ø<br />

=| ÒÙÐÐ×ØØÖÑÒÔÖEν<br />

Ò×Ð×ÙÒÒÙØÖÒÓÑ××ÓÒÙÖØÙÒØÙÖÑÙÐØÔÐØØÓÒÒÐ<br />

ÔÖ×ÒØÖpØp +<br />

ÄØÙÜÚÒÑÒØ×ÔÖØÓÑÔÖÒÒØÙÒÐØÖÓÒÒÖe×ØÓÒÙÒ ËÐÓÒÚ×ÐÒÓÑÖÚÒÑÒØ×Ó×ÖÚ×Ò×ÕÙÒØÖÚÐÐÒÖ ÓÒØÓÒÕÙÖØÕÙE0 − ÔÖÐp 2ÓÖÖ×ÔÓÒÒØØÕÙÓÒÔÖÒÐÖÒÖÖÒÓÑÖÓÒÓØÓ ÄÔÓÒØÒØÖ×ØÓÒÚÐÜÜ×ØÓÒ×Ò×ÐmνÁÐÙØØÓÙØÓ×ØÒÖ 0ÇÒ<br />

ÐÓÙÖÙÖ ÓÑÔØÐÖ×ÓÐÙØÓÒÒÐÔÔÖÐÐÕÙÑÓ×Ò×ÐÑÒØÐÐÐÙÖ<br />

= ØÒÖÙÒ×ØÖÙØÓÒÐÒÖÕÙ×ÒÒÙÐÐÒEe<br />

ÌÖØÝÓÚØÐÙÐÐËÍËËÊÈÝ×ËÖ ÃÖÚ×ØÆÙÐÈÝ× <br />

E0ÔÓÙÖÐ×mν<br />

<br />

= ×ØØÒÔÖÓÒØÖÙÒ×ÙÐÔÐÙ××ÒEe<br />

<br />

n = pL/π<br />

N ∝ L3p3 h3 ÈÖÖÒØØÓÒÓÒÓØÒØ dN ∝ L3p2dp h3 dp ∝ p2 <br />

dN<br />

∝ p<br />

dp dpν<br />

2 p 2 EeÕÙÓÒÒ<br />

ν<br />

pν |= E0 −<br />

d dN<br />

dp dE0<br />

∝ p 2 (E0 − Ee) 2<br />

dW ∝ 2 p 2 dp(E0 − Ee) 2ÓÓÒØÖdW p2dp ∝ (E0 − Ee) 2<br />

dW<br />

p 2 dp ∝ (E0 − Ee) 2<br />

Ee<br />

<br />

<br />

mνc<br />

1 −<br />

2<br />

2<br />

E0 − Ee<br />

−mνÔÓÙÖÙÒÒÙØÖÒÓÑ×× =<br />

E0


+ − → τ τ ÌÙÜÚÒÑÒØ×ÔÖ×Ù×ÙÐÔÖÓÙØÓÒ+−<br />

À×ØÓÖÙ×ÒÔÖ×Ù×ÙÐÔÖÓÙØÓÒτ + τ −ÔÖË<br />

ÓÒÒ ÄØÐÈÅÒØÓÒÒÓÒ×ÙØÖÔÖØÕÙÐÑ×ÙÖÐÐÖÙÖÙÙÖ×Ø 3.0ÎÚÙÒÒÚÙ 23Î<br />

< ÓÒÒÙÒÑ××mνe<br />

ØÖÒÐÔØÓÒ×ÔÐÙ×ÐÖ×ÓÙÒÖÓÒ× Ù×ÙÐÔÖÓÙØÓÒØØÔÖØÙÐ ÇÒÚØÙÖÑÒØÒÒØÐÑ×ÙÖÐÑ××ÙÒÔÖØÙÐÔÖÐÑØÓ ÇÒÓÒ×ÖÐ×ÙτÙÒÐÔØÓÒÒÚÖÓÒÎÑ××ÕÙ××Ò<br />

< ÒÙØÖÒÓ×ÐËÆÔÖÑ×ÓÒÒÖÙÒÐÑØmνe


ÐÐÙ×ØÖÒ×ÐÙÖ ÙØÐ×ÙÒÓÐÐ×ÓÒÒÙÖ+−Ò×ÐÕÙÐÐÒÖ××ÙÜ×ØÙ×ØÐÙØÓÙÖ ÄÑØÓÔÔÐÕÙÔÖÐÓÐÐÓÖØÓÒË ÚÕÙÐÕÙ×ÒÒÓÚØÓÒ×<br />

ÚÖÒØÔ×Ô×ÐÒÖ××ÙÜÙÒÖØÓÒÅÎÓÒÑ×ÙÖÕÙ ÎÓÝÓÒ×ÓÖÐÔÖÒÔÐÑØÓÓÒÜÔÐÓÖÐÖÓÒÙ×ÙÐÒ <br />

µντνµÄÓÙÖ<br />

→ ÐÚÐÙÖmτÇÒ×ØÓÒÔÖÓÙ×ÙÐÔÖÓÙØÓÒ+−<br />

ÔÖÐÐÖÙÖÒØÖÒ×ÕÙÙτÒ×ÙØÓÒÙ×ØÙÜÔÓÒØ×ÜÔÖÑÒØÙÜÙÒ ÄÔÒØÐÓÙÖÙ×ÙÐ×ØØÖÑÒÔÖÐ×ÒÖØØÙ×Ñ×ÙÖØ ÒÙÐÔÖÜÔ×ÒØÖÙ×ÓÒÔÖ×ÑÙÓÒ×Ó×ÑÕÙ×Ò×ÐÐÓØÚÒÑÒØ× ×ÙÐ×ØÙØÝÔÖÔÖ×ÒØÒ×ÐÙÖ ÐÖÙØÓÒ×Ø×ÙÔÔÓ×<br />

ÓÙÖØÓÖÕÙÕÙÓÒØÒØmτÓÑÑÔÖÑØÖÐÖ<br />

ØÔÐØÙÜÚÒÑÒØ×ÔÖÓÙØ×ÔÖÜτ<br />

ØØÑØÓØÒÔÖÐÓÐÐÓÖØÓÒËÔÓÙÖØÒÖÓÑÔØÙ<br />

→ eντνeØτ<br />

ÓÒÝÒÑÕÙØØÖØÚÒÖÒØ×ÑÒØÒÖÚÐÒØÖÐ× ØÕÙØØÔÒØÙ×ÙÐ×ØØÖ×ÖÙÔØÄÒÖÙ×Ù×ØÑÓ ÞÖÓÚÒÑÒØØÐ×ÔÖÓÞÖÓÚÓÖÙÖ ÔÖÑ×ÓÔØÑÐ×ÖÐÔÖ×ÓÒ×ØØ×ØÕÙÙÖ×ÙÐØØÄÓÐÐÓÖØÓÒË ÉÈÓÙÖÕÓËËÓ×ÓÑÑ×ÒØÙÖÐÔÖÓÙØÓÒØÙ×Ð× ØØÔÖÓÙÖ ÓØÒÙmτ =<br />

e−ÓÖµ ÓÙÔÐ×e +<br />

µ −Øe<br />

1776.9 +0.2<br />

−<br />

µ +ØÔ×e<br />

0.2ÅÎ<br />

−0.3 ± + +<br />

lepton avec<br />

grand p<br />

⊥<br />

µ −<br />

→<br />

τ + τ −ÓÑÑ<br />

<br />

p<br />

ÚÒÑÒØÔÖ×ÒØÒØÐ×ÒØÙÖÐ×ÒØÖØÓÒÐÔØÓÒÕÙÙ<br />

p<br />

z<br />

ν non observe’<br />

×ÙÖÐÑ××ÙÒÔÖØÙÐÈÖÜÑÔÐÐØÙÙ×ÔØÖ×ÐØÖÓÒ× ÍÒÒÑØÕÙÒÓÑÔÐØÔÖÑØÙ××ÓØÒÖ×ÖÒ×ÒÑÒØ×<br />

Ó×ÓÒWÔÖÓÙØÐÓÖ×ÙÒÓÐÐ×ÓÒp − p<br />

ÔÖÓØÓÒÒØÔÖÓØÓÒÔÖÑ×ØÖÑÒÖÐÑ××ÙÏÄÔÖÓ××Ù×ÙÒ ×ÒØÙÖÖØÖ×ØÕÙÚÓÖÙÖ ËÓÐÐÓÖØÓÒÈÝ×ÊÚÄØØÐÐÔØÓÒÖÒÖÐÑÒØÙÒ<br />

Ð×ÒØÖØÓÒW →<br />

<br />

eνeÓÐ×Ó×ÓÒ×Ï×ÓÒØÔÖÓÙØ×Ò××ÓÐÐ×ÓÒ×


[GeV]<br />

manquante<br />

E ⊥<br />

60<br />

40<br />

20<br />

−<br />

<br />

0<br />

0<br />

20 40 60<br />

e<br />

E⊥ [GeV] ÒÖØÖÒ×ÚÖ×ÐÑÒÕÙÒØE manquanteÒÓÒØÓÒÐÒÖ<br />

⊥ ØÖÒ×ÚÖ×ÐÐÐØÖÓÒE e ⊥ÔÓÙÖ×ÚÒÑÒØ×ÒØ×Ð×ÒØÖØÓÒ<br />

W ± → e ± ÙÒÓÑÔÓ×ÒØØÖÒ×ÚÖ×ÐÑÔÓÖØÒØØØÒÖÑÒÕÙÒØÄ×ØÙ ÚÙÐÖÒÑ××ÙÓ×ÓÒÄÒÙØÖÒÓÕÙÔÔÐÓ×ÖÚØÓÒÑÒ×Ø ×ÔÖ×ÒÔÖÐÒØÖÑÖÙÒÖÒÒÖÑÒÕÙÒØØ×ÓÙÚÒØÔÖ ÖÒÒÖØ×ÓÙÚÒØÙÒÓÑÔÓ×ÒØØÖÒ×ÚÖ×ÐÑÔÓÖØÒØ×ÓÒÒÖ<br />

+ νe(νe)<br />

ØÓÒ×ØÖÒØÙ×ÙÒ×ÒØÖØÓÒβÒ×ÐÕÙÐÐÐÒÙÐÓÒÒØÐ ÐÖÒÓÒØÖ×ÔÖØÓÒ×ÙÔÖÓØÓÒØÐÒØÔÖÓØÓÒÚÓÖÔØÖÖÑÒØ× ÕÙØÖÒ×ÔÓÖØÒØÙÒÖØÓÒÒÓÒÒÙÐÑÔÙÐ×ÓÒ×ÒÙÐÓÒ×ÒÒÖÐ ×ØÔÖØÕÙÑÒØÙÖÔÓ×ÄÏÙÒÑÔÙÐ×ÓÒÚÖÐÖÐ×ØÔÖÓÙØÔÖ<br />

×ÓÒÙÑÓÙÚÑÒØÙÓ×ÓÒÑÖËÐÓÒÒÐÒÔÖÑÖÔÔÖÓÜÑØÓÒÐ Ð×ØÖØÓÖ×ÙÐÔØÓÒÖØÙÒÙØÖÒÓÒ×ÓÒØÔ×ÓÐÐÒÖ×ÒÖ<br />

E e ⊥ ≃ E ν ⊥ ≡ E manquante<br />

⊥ Ä×p ℓ ⊥ØE ℓ ⊥×ÓÒØ×ÓÑÔÓ×ÒØ×ØÖÒ×ÚÖ×Ð×p ℓØE ℓ ÓÒÒ×ÓÙÖÒ×ÔÖÐÔÔÖÐÐÑ×ÙÖÙ×ÙØ×ÐÔØÓÒ×Ö×Ø× ÖÓÒ×××Ù×ÐÓÐÐ×ÓÒØÓÒÒ××ÒØÐÖØÓÒØÐÒÖ××ÙÜ ØÖÓÒ×ØÒÐÒÖÖ×ÓÒÒÖÒØÕÙÒÖÙÒ××ÒØÐÒ×ÑÐ×<br />

<br />

ÓÑÔÓ×ÒØØÖÒ×ÚÖ×ÐÐÕÙÒØØÑÓÙÚÑÒØÙÓ×ÓÒÓÒÔÙØÖÖ<br />

p e ⊥ + pν⊥ ≃ 0 <br />

ℓÄÑ××ÐÐ


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⊥<br />

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<br />

ÝÒØÐÑÑ ÐÑ√ s<br />

ÇÒÒØÖÓÙØÐÑ××ØÖÒ×ÚÖ×mTØÐÐÕÙ<br />

m 2 T = (Ee ⊥ + Eν ⊥ )2 − (p e ⊥ + pν⊥ )2 <br />

630ÎÄÕÙÙ×ØÙÐÐÖÙÖÒØÖÒ×ÕÙÙÏΓW<br />

mT MW<br />

=


W + → τ + ÑW ντ<br />

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ց +<br />

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π− ÈØÓÒØÐÈÝ×ÄØØ ×ÔÒ Ô Ò<br />

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<br />

− ± ·10<br />

τ µ +/τ µ ±<br />

→<br />

−6×<br />

γ<br />

J =


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Eu<br />

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152Sm<br />

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Ò×ÐÒØÖÚÐÐØÑÔ××ÓÙÐÒØÒØÖÐØÐÑ××ÓÒÙÔÓØÓÒ oÔÐÙ×ÐØØÓÒØÖÑÕÙÔÙØÒÖÐÖØÓÒÙÖÙÐÙÒÓÝÙ ÇÒÔÙØØÖÓÙÚÖÙÒÜÔÖ××ÓÒÑØÑØÕÙÕÙØÙÐÓÑÔÓ×ÒØÖÓØ ×ØÙÙØÕÙÐÒÐÔÓØÓÒÒÙØÖÒÓÒ×ØÔ×ÜØÑÒØ<br />

ÓÙÙÙÒÔÖØÙÐÑ××ÒÙÐÐ<br />

<br />

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É×ÓØ ν, ÉÑÓÒØÖÖÕÙ1<br />

ÄÖ×ÙÐØØÐÜÔÖÒ×ØÓÒÒ×ÓÙ×ÐÓÖÑ<br />

δ = 2(N− − N+)/(N− + N+) = +0.017 ± 0.003<br />

100 ∗ 0.017/0.025 = 68 ± 14% <br />

ÐØØÙÒÙØÖÒÓÙÖÉÙÚÙØÈ 1 λ = − ν, 1 λ = − 2<br />

2<br />

2 (1 ± γ5 )×ÓÒØ×ÔÖÓØÙÖ××ÖÔÔÓÖØÖÙ§


Ñ×ÙÖ×ÔÖÑÐ×ÔÐÙ×ÔÖ××ÒÔÝ×ÕÙ ÇÒÔÙØÖ×Ñ×ÙÖ×ØÖ×ÔÖ×××ÑÓÑÒØ×ÑÒØÕÙ×ÁÐ×Ø× ÄÑÓÑÒØÑÒØÕÙÔÓÐÖ<br />

ÈÓÙÖÙÒÔÖØÙÐÔÓÒØÙÐÐÐØÖÓÒÖ×ÔÒsÖqÑ××<br />

×ØÐØÙÖÄÒÄÐØÖÓÒÖÙÒ<br />

2mc× <br />

×ØÐÚØÐ×ÙÜ×ÓÙ×ØØ×ÓÒØÙÒ×ÔÖØÓÒÒÒÖ Ù×Ý×ØÑÒ×Ð×ÖÑÓÒ××ÔÒ ÄÒØÖØÓÒÙÔÐÚÙÒÑÔBÒÙØÙÒÒÑÒØÒ×ÐÒÖ ØÑÓÑÒصÐÒÖ×Ò<br />

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γ×ØÐÖÔÔÓÖØÝÖÓÑÒØÕÙ<br />

Ò×Ð×ÔÖØÙÐ×ÒÓÒÐÑÒØÖ×ÔÒØ ÐÑÓÑÒØÑÒØÕÙ×Ø<br />

ωL<br />

ÐÕÙÐÐ×ÓÙØÙÒÓÒØÖÙØÓÒÙÙÑÓÙÚÑÒØÓÖØÐ×ÓÑÔÓ×ÒØ× ÇÒØÖÓÙÚÔÓÙÖÐ×ÖÑÓÒ×ÒÓÒÐÑÒØÖ××ÚÐÙÖ×ØÖ×ÖÒØ× ØÖÑÒÔÖÐ×ÓÑÑ×ÑÓÑÒØ×ÑÒØÕÙ×ÒØÖÒ×ÕÙ××ÓÑÔÓ×ÒØ×<br />

ÒÖÐÑÒØÜÔÖÑ×ÒÑÒØÓÒÓÖµBÒ×Ð××ÖÓÒ×ÐÐ×Ð Ò×Ð××ÐÔØÓÒ×Ð×ÚÐÙÖ×ØÙÐ×ÙÑÓÑÒØÑÒØÕÙ×ÓÒØ<br />

ÓmeÑ××ÐÐØÖÓÒØMpÑ××ÙÔÖÓØÓÒ <br />

×ÔÖÒØ×ÙÚÒØÐÙÖØØ×ÔÒ×z <br />

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mÐÚÐÙÖÙÑÓÑÒØÑÒØÕÙÔÓÐÖµ×ØÒÔÖ<br />

µ = g q<br />

Ó <br />

∆E = 2µB , B =| B |<br />

= g q<br />

2mc B = γB <br />

γ = µ/× <br />

×ÓÒØÒÑÒØÓÒÒÙÐÖµN<br />

µB = e<br />

2mec<br />

; µN = e<br />

2Mpc


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ØÖÑÒØÓÒ×ÒÓÑÐ×ÐÐØÖÓÒØÙÑÙÓÒ ÔÓÙÖÐÔÖÓØÓÒØÔÓÙÖÐÒÙØÖÓÒ ÕÙÑÓÒØÖ<br />

= صn<br />

B<br />

ω<br />

Puissance<br />

absorbée<br />

échantillon<br />

<br />

ωR ω<br />

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×ÔÓ×ØÔÓÙÖÐÑ×ÙÖγp<br />

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ÔÓØÓÒÒ×ÙÔÔÐÑÒØÖÜÖÔ ÔÓ××ÐØÙÒÖÔÙØÝÔ ÙÒØÑÔ×ÕÙ×ÓØÓÑÔØÐÚÐÖÐØÓÒÒÖØØÙÀ×ÒÖÓÐ<br />

ÊÄÖ×ÓÐÐØÈÄÒÖÈÝ×ÊÚÄØØ<br />

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ÑÒÙÒØÙÖÑÙÐØÔÐØ<br />

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<br />

ØÓÒg>×ÓÖÖØÓÒ×ØÒÒÒØÓÑÔØ×ÖÔ×ÖÔÖ×ÒØ×Ò×


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αemÄÖÔÓÒØÒØÙÒÓÙÐÐØÖÓÒÔÓ×ØÖÓÒÔÓÐÖ×ÓÑÑÐ×ÑÓ<br />

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ÈÓÙÖÐÑÙÓÒ <br />

ÚÐÙÖÑ×ÙÖÈ <br />

= ÐÒÓÑÐAℓ<br />

Ò×Ð×ÙÑÙÓÒÓÒØÒÙÓÑÔØÓÖÖØÓÒ×ÖÓÒÕÙ×ÐÓÖÖ ± ± 2 ± −9 3 ± −9<br />

ÙØÙÔØØÖØÔÖÖÔÔÓÖØ<br />

−6ÄÑ×ÙÖÐÒÓÑÐ×ÐÔØÓÒ×Ö×ÔÙØ×ÖÚÖÒÔÖ×ÓÒ<br />

−9 2 3<br />

Ò×ÙÒÑÔÑÒØÕÙÙÒÐØÖÓÒÓÙÙÒÑÙÓÒÙÒØÖØÓÖ×Ô<br />

−9<br />

ÔÖÐÐÐÐÙÖÚØ××ÇÒÐ×ÒØÒ×ÐÔÔÖÐÐÓÖÒÙÒÑÔ ÔÖÔÒÙÐÖÐÖØÓÒÙ×ÙÐÖÓØØÓÒÝÐÓØÖÓÒÕÙÚØ×× ÒÙÐÖωcÚ×ÓÙØÖÐÔÖ××ÓÒÄÖÑÓÖÙÑÓÑÒØÑÒØÕÙ ËÙÔÔÓ×ÓÒ×ÙØÖÔÖØ×ÐÔØÓÒ×ÔÓÐÖ××ÐÙÖ×ÔÒØÒØÔÖÐÐÐÓÙÒØ<br />

ÚØ××ÒÙÐÖ <br />

(gℓ − 2)/2Ó(ℓ = e, µ)×ÓÙ×ÐÓÖÑÙÒ×ÖÒÔÙ××Ò×<br />

ÖÐÖØÖ×ÔÖÐÖÕÙÒÝÐÓØÖÓÒÕÙ<br />

ν = ωc/2π, ωc = e<br />

mc B


Ô×δÚ×ÓÙØÖ ÓÒ×ÔÖ×ÕÙØÓÙÖÐÖØÓÒÐÔÓÐÖ×ØÓÒÔÖÖÔÔÓÖØ<br />

ωL = (g/2)ωc<br />

ÖÑÒØÙÔÐÒÙ×ÓÒÙ×ÓÒÔÓÐÖ×ÒØÁÐ××ÓÒØÑÒ××ÔÖÐÖ Ò×Ð×ÐÐØÖÓÒÓÒÙØÐ×ÐÑØÓÓÙÐÙ×ÓÒÍÒ×<br />

Ò×ÙÒÓÙØÐÐÑÒØÕÙØÙÓÙØÙÒÖØÒØÑÔ×Ò×ÓÒØ ÙÐØÖÓÒ×ÒÑÒØÓÐÐÑØ×ØÖ×ÙÖÙÒÐÙØÓÒ×ÐØÓÒÒ<br />

δ = (ωL − ωc)t = AℓeBt/mc<br />

δÓÐÓÒÙØÐÚÐÙÖÐÒÓÑÐ ÜØÖØ×ÔÓÙÖØÖÙ×××ÙÖÙÒ×ÓÒÐÙÙ×ÓÒÒÐÝ×ÒØÄ× Ñ×ÙÖ×ÐÖØÓÒÐÔÓÐÖ×ØÓÒØÐÖØÓÒÔÖÓÔØÓÒ× ÐØÖÓÒ×Ð×ÓÖØÙÑÔÑÒØÕÙÔÖÑØØÒØØÖÑÒÖÔ× Ò×Ð×ÙÑÙÓÒÓÒÙØÐ×Ð×ÔÖÓÔÖØ×ÔÖØÙÐÖ×Ð×ÒØÖØÓÒ ÐÇÒÔÖØÙÒ×Ùπ ±××ÒØÖÒØÒπ ± → µ ± Ó×Ú×ÐØ×ÓÔÔÓ××ÇÖÓÒÚÙÕÙÐÒÙØÖÒÓÜÐÙ×ÚÑÒØÙÒ ÐÖÖÒØÐÖÔÓ×ÙÔÓÒ×ÔÒ ÐØÒØÚÄÓÒ×ÖÚØÓÒÙÑÓÑÒØÒØÕÙÑÔÐÕÙÙ××ÙÒÐØ ÐÑÙÓÒØÐÒÙØÖÒÓ×ÓÒØÑ×Ó× νµ(νµ)Ò×<br />

ÈÖÒÓÒ×ÔÖÜÑÔÐÐ×π +××ÒØÖÒØÒÚÓÐÓÒÔÙØÓØÒÖ× Ò××ÐÑÙÓÒØÑ×ÔÖÐÐÐÑÒØÙ×ÙØÐÒÙØÖÒÓÒØ ÑÙÓÒ×ÔÓÐÖ××ÒØÚÑÒØ×ÐÓÒ×ÐØÓÒÒÙÜÓÒØÐÒÖ×ØÑÜÑÐ<br />

×ÙÔÖÓÒÙØÙÖÓ×ØÙÐÔÖ××ÓÒÒÙØÐ×ÒØÒÓÙÚÙÐ×ÔÖÓÔÖØ×<br />

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×××ÙÖØÖÒ×ÐÓÒÙÖØÓÒ×Ù×ÑÒØÓÒÒØÚÓÖÐ×ÔÓ×ØÖÓÒ×Ñ× ØÓÒÓÔÔÓ×ÙÔÓ×ØÖÓÒËÐÓÒ×ÐØÓÒÒÐ×ÔÓ×ØÖÓÒ×ÒÖÑÜÑÐÓÒ Ð×ØÙØÓÒÒ×ÐÕÙÐÐÐ×ÙÜÒÙØÖÒÓ××ÓÒØÑ×ÔÖÐÐÐÑÒØØÒÖ<br />

mµ/2ÐÓÖÖ×ÔÓÒ<br />

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×ÔØÖÒÖÙÔÓ×ØÖÓÒÙÒÚÐÙÖÑÜÑÐ≈<br />

ÐØÖÓÑÑÐÐÙÑÙÓÒÙÖ ×ÔÖ×ÒØÄÒØÖØÓÒÐÚÓÖ×Ð×ÒØÖØÓÒÓÐÔÓ×ØÖÓÒ×ØÑ× ÒÓÒÐ×ØÙØÓÒÙÑÓÑÒØÓÐÔÓÒ××Ø×ÒØÖËÐÓÒÓÒ×Ö ÓÙ<br />

Ò×ÐÖØÓÒÔÓÐÖ×ØÓÒÙµ +ÓÒÑÓÒØÖÕÙÈÖÓ± µ (θ) ∝ 1 ±cos(θ)Ó ÄÐص −×ÖØÔÓ×ØÚ <br />

ÐÖØÓÒÙÑÓÙÚÑÒØ×ÖÐÑÑÕÙÐÒØÓÒË ℓÙÒ<br />

Ð×ÐØÖÓÒ×Ù××◦ÙÜ×ÓÒØÔÖØÐÐÑÒØÔÓÐÖ××ÔÖÔÒÙÐ<br />

ÒØÚÔÓÙÖе +ÙÖ<br />

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ÙÒØÑÔ×ØÓÖÖ×ÔÓÒÒØÙÒÔÖ××ÓÒ◦ ×ØÐ×ØÙØÓÒÒ ÕÙ


ν<br />

ν<br />

µ<br />

e<br />

ν<br />

µ<br />

π +<br />

01<br />

01<br />

µ +<br />

+<br />

µ<br />

a)<br />

b)<br />

µ<br />

c)<br />

+<br />

νµ<br />

+<br />

ν<br />

e<br />

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e<br />

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θ×ØÐÒÐÒØÖÐÖØÓÒÐÔÓÐÖ×ØÓÒÙÑÙÓÒØÐÖØÓÒÑ××ÓÒ ÇÒÔÖÑØÖ×ÒÓÑÖÔÖ<br />

νaÓÐÚÐÙÖÐÒÓÑÐÙÑÙÓÒ ÄÙ×ØÑÒØÙÜÚÐÙÖ×Ñ×ÙÖ×ÚÓÖÙÖÓÔÖÑØØÖÑÒÖ N(t) = N0 exp(−t/τ)[1 − A cos(2πνat + φ)] 2πνa = ωL − ωc<br />

<br />

Ðπ +Ó×ÓÒ×ÔÒ ××ÒØÖÒÙÒÑÙÓÒÐØ<br />

e<br />

+


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ÓÒp<br />

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Ø <br />

r2)ÈÓÙÖÐÓ×ÖÚØÙÖÇÔÐÙÚØÙÖxÔÖÖÔÔÓÖØ<br />

r2Ö×ÙÐØØÓÒÚÐÙ<br />

V (r1 r2)<br />

2 2ÕÙÑÒ<br />

= V (r1 −<br />

+ r1, x + r2) = V (r1 −<br />

= −dV/dr1 = −dV/d(r1 − r2) = ... = −F<br />

F 1 + F 0<br />


ÓØÒÙ×ÙÄÈ×ÓÒØÒÚÖÒØ×ÔÖØÖÒ×ÐØÓÒÙÄÈÔÜ×ÙÖÙÒÔÐÒØÒ ÓÖØÙØÓÙÖβÇÖÓÒ×ÇÒÔÖÐÒ××ØÖÒ×ÓÖÑØÓÒØÚ ØÐÓÒÚØØ×ÙÖÙÒØÖÒ×ÐØÓÒxÙ×Ý×ØÑØÙÐ×Ö×ÙÐØØ×ÔÝ×ÕÙ× ÇÒ×ÖØÖÖÚÙÜÑÑ×ÓÒÐÙ×ÓÒ××ÐÓÒÚØÓÒ×ÖÐÓ×ÖÚØÙÖÜ<br />

ÓÒ×ÖÓÒ×ÙÒØÖÒ×ÓÖÑØÓÒÔ××ÚÇ→ÇÔÖÜÑÔÐÙÒØÖÒ×ÐØÓÒ<br />

ËÓØψ(x)ÐØØÙ×Ý×ØÑÔÝ×ÕÙÒxÔÓÙÖÐÓ×ÖÚØÙÖÇÄØØ ×Ý×ØÑÒx ′ÔÓÙÖÐÓ×ÖÚØÙÖÇ×ØÒÔÖÐÓÒØÓÒØÖÒ×ÓÖÑψ ′ ØÐÐÕÙ<br />

ËÐÓÒÒÚÖ× ψ<br />

x = f −1 (x ′ ÓÒÔÙØÖÖ <br />

)<br />

ψ ′ (x ′ ) = ψ(f −1 (x ′ <br />

))<br />

x ′×ØÕÙÐÓÒÕÙÓÒÓÒÔÙØÐ××ÖØÓÑÖÐ×ÔÖÑ××ÙÖx<br />

ψ ′ (x) = ψ(f −1 <br />

(x)) Ð×ÙÖÙÒÒÓÙÚÐÐÒØÖÔÖØØÓÒÐØÖÒ×ÓÖÑØÓÒψ ′ ÒÒØÔÓÙÖÐÓ×ÖÚØÙÖÇÐÓÒØÓÒÓÒÙ×Ý×ØÑØÚÑÒØØÖÒ×ÓÖÑ ÔÐØÓÙÖÒ ÒÔÖÒÔÐ×ØÖÒ×ÓÖÑØÓÒ×ØÚØÔ××Ú×ÓÒØÕÙÚÐÒØ×Ò×ÙÒ (x)×ØÑÒØ<br />

ÒÑÒØÓÒÑÔÖÑÐÑÑÖÓØØÓÒÊØÖÒ×ÓÖÑØÓÒÔ××ÚÐÓ×ÖÚØÙÖ ×Ô×ÓØÖÓÔ×ÐÓÒØÙÔÜÐÖÓØØÓÒÊØÚÙÒÓØËØ×ÑÙÐØ<br />

ÐØÖÒ×ÓÖÑØÓÒf ×ÓØÖÓÔÚ×Ú×ÐÓØËÇÓÒ×ØØÖÙÒÒÑÒØÓÒÙÖØÓÒ ÇÇÒÖÒÖÔ×ÓÑÔØÙÒÑÒØ×ÙÖËÈÖÓÒØÖ×Ð×ÔÒ×ØÔ× ÇÒÖØÐØÖÒ×ÓÖÑØÓÒØÚÔÖÙÒÓÔÖØÙÖÍÙÒØÖÕÙÔÒ<br />

ψ ′ <br />

ÎÓÖÖÖÒ<br />

= Uψ<br />

<br />

x → x ′ = x + aÕÙÐÓÒ×ÝÑÓÐ×ÔÖ<br />

x → x ′ = f(x) <br />

′ (x ′ ) = ψ(x) <br />

ÄÙÒØÖØÔÖÑØÓÒ×ÖÚÖÐÒÓÖÑψ<br />

<br />

Uψ Uψ = ψ ψ U † U = 1 U −1 = U † <br />

(x ′ )


ÈÖÐØÖÒ×ÓÖÑØÓÒfÐÓ×ÖÚÐÚÒØÐÓ×ÖÚÐÓÒØÐ×ÔÖÒ ÑØÑØÕÙÔÓÙÖÐØØψ ′×ØÒØÕÙÐÐÔÓÙÖÐØØψ<br />

〈ψ|A|ψ〉 = 〈ψ ′ |A ′ |ψ ′ ÉÑÓÒØÖÖÕÙ <br />

〉<br />

ÓÒÓØÒØÍ͆ØÍÍ Ëf×ØÙÒ×ÝÑØÖÚ×Ú× ÓÒÓÑÑÙØÚÍ<br />

A<br />

ÚÒØÔ××ÖÙØÖØÑÒØ×ÖÒØ××ÝÑØÖ×ÖÑÖÕÙÓÒ×ÕÙÓÒÓÒ×<br />

×ØÖ××ØÒÚÖÒØ×ÓÙ×f<br />

Ö×ÓÙÚÒØ×ØÖÒ×ÓÖÑØÓÒ×ÒÒØ×ÑÐ×ØÖÒ×ÐØÓÒÖÓØØÓÒ ÕÙ×ÑÔÐÐ×ÐÙÐ×ÇÒÔÙØÒ×ÙØÒØÖÖÔÓÙÖÓØÒÖÐØÖÒ×ÓÖÑØÓÒ ÒÏÛÐÐÓØÓ×ÖÒÓÛÌÓÖ×ØØØÑÓÑÒØÖ××Ò×ØÓÔÐÙ<br />

<br />

[U, A] = 0<br />

Ì×ÛÓÖÐÛ×ÑÙÖÖÓÒÒÓÐÖ×ØÐÐ ÑÓÑÒØÑÒÙØÐÝÓÙØÓÓÙ×ÒØÒ×ÒÔÔÒ××ÙÒÐÝÖÒØÛÓÖÐ ØÛ×ØØÒØÖÛÓÖÐØÖÓÙÐÓÒØÔÖØÓÖÚÖÝØÒ×ØÛ×ÓÖ ÒÔÔÐÙØÒ×ØÓÔÐÙÒÑØÒÝ×ÖÔØÙÖÒÒÑÓÚÑÒØÌØÛ××<br />

ÔÓ××ÐÙ×Ý×ØÑÚ×Ú×ÙÒÓ×ÖÚÐOÈÖÜÑÔÐÙÒÐÐÐÒ ØØ×ØÓÒÔÓÖØ×ÙÖÐØÓÒÙÒÓÔÖØÙÖÕÙÖÔÖ×ÒØÙÒ×ÝÑØÖ ØØ×ÓÔÖØÙÖ×Ø×ÝÑØÖ×<br />

×ØÒÚÖÒØÔÖÖÓØØÓÒ×ÐÓ×ÖÚÐ×ØÐÓÙÐÙÖ ËÓÒØ ψÐØØÙ×Ý×ØÑ<br />

OÙÒÓ×ÖÚÐ××ÓÙÒØØÙÖØÙÒÜÔÖÑÒØØÙÖ<br />

UÙÒÓÔÖØÓÒÙØÝÔÖÓØØÓÒØÖÒ×ÐØÓÒÔÖØ ØÝÔÕÙÑÒØÐÒÖÙ×Ý×ØÑ×ÓÒÀÑÐØÓÒÒ ØØÐÐÕÙ<br />

U † ÉÙÐÓÔÖØÓÒU×ÓØ××ÓÙÒ×ÝÑØÖÓÙÒÓÒÐÙØÒÒÑÓÒ×× ÓÒØÓÒ×ÙØÝÔ×ÓØÖÓÔÐ×ÔØ ×ÐÓÒØÖÒ×ÓÖÑÐ×Ý×ØÑ<br />

U = 1<br />

ψ ′ = UψØ×ÑÙÐØÒÑÒØÐØØÙÖU(O) = O ′ = UOU †ÐÖ×ÙÐØØ ÒØ ÐÜÔÖÒÖ×ØÒÒ ÓÙÐ×Ñ×ÌÄÓÒÖÌØÑÓØËÓÙÐ <br />

′ = UAU †


Ñ×ÙÖO ′ÔÓÙÖψ ′ ) =< ψ ′ | O ′ | ψ ′ >=< Uψ | UOU † ÕÙ×ÖØÙ××<br />

| Uψ ><br />

ÍÒØ×ØÒÚÖÒ ÓÒÜÐØØÙÖOØÓÒÓÙÐ×Ý×ØÑ ÓÒÜÐ×Ý×ØÑØÓÒÓÙOÒ×Ò×ÒÚÖ× ×ÝÑØÖÔÙØ×ÖÙÜÓÒ× ÇÒÓØÒØÓÒ< ψ<br />

ψ<br />

ψ ÚO ′′ÓÒÒÔÖU −1 Ø×ÓÒØÕÙÚÐÒØ××Ð×Ô×Ø×ÓØÖÓÔØ ÒØ ËÐÓÒÙÒ×ØÙØÓÒ×ÝÑØÖÐÓÖ×<br />

<<br />

ÁÒÚÖÒÔÖØÖÒ×ÐØÓÒÒ×Ð×ÔÔÖØÖÒ×ÐØÓÒ<br />

ÓÒ×ÖÓÒ×ÙÒÓØÖØÔÖ×ÓÒØÓÒÓÒψ(xÍÒØÖÒ×ÐØÓÒÒ Ò×ÐØÑÔ×ØÔÖÖÓØØÓÒÒ×Ð×Ô ÄØÖÒ×ÐØÓÒÒ×Ð×Ô<br />

ÒÒØ×ÑÐ ÒÙÒØ×ÒØÙÖÐÐ×p≡−i∇ÇÒÔÙØÓÒÒØÖÓÙÖÐÓÔÖØÙÖØÖÒ×ÐØÓÒ<br />

ÒØ×ÑÐx →<br />

ÕÙÓÒÒ<br />

D(δx) ÍÒØÖÒ×ÐØÓÒÒXÔÙØ×ÓÑÔÓ×ÖÒNÔØØ×Ô×δx =<br />

<br />

D(X)<br />

(ψ † U † UOU † Uψ) = (ψ † O ψ) = (ψ † Oψ)<br />

Ú(ψ, ϕ) = d3xψ∗ ψØϕÔÔÖØÒÒØÐ×ÔÀÐÖØ×ØØ×<br />

(x)ϕ(x), ′ | O ′ | ψ ′ >ÓÑÑÔÖÚÙ<br />

>=< ψ | O | ψ<br />

→ ψ ′ O → O<br />

→ ψ O → O ′′<br />

(O) ≡ U † OU<br />

ψ ><br />

< ψ ′ | O | ψ ′ >= (ψ † U † OUψ) = ψ † (U † OU)ψ =< ψ | O ′′ | ψ ><br />

< ψ ′ | O | ψ ′ >=< ψ | O ′′ | ψ >=< ψ | O | ψ >=< ψ | O ′ | ψ ><br />

[U, O] = 0<br />

ψ ′ | O | ψ ′ >=< ψ | O ′′ |<br />

δxÐÓÖÖÇδx×ÜÔÖÑÔÖ<br />

x +<br />

ψ ′ ≡ ψ(x − δx) ∼ = (1 − δx · ∂<br />

∂x )ψ(x) = (1 − iδx · p)ψ(x) <br />

<br />

≡ 1 − iδx · p<br />

X/N<br />

D(X) ≡ D(δx) N = (1 − iδx · p) N <br />

(iNδx · p)2 (iNδx · p)3<br />

≈ 1 − iNδx · p + − + ...<br />

2! 3!<br />

≡ exp(−iX · p)


ÕÙØÓÒ× ØÑÖÒÖÐ×ØØ×ÐÙÚÒØØÔÖ×ÐØÖÒ×ÐØÓÒÐ× ÄÒÚÖÒÔÖØÖÒ×ÐØÓÒ×ÒÕÙÐ×ØÑÔÓ××ÐÔÖÐÑ×ÙÖÙ×Ý× ÊÚÒÓÒ×Ù×ÒÒØ×ÑÐD(δx)ÕÙÐÓÒÚÖÖÔÓÙÖÐÐÖÐ×<br />

ØÖÙØÔÖÐÒÚÖÒÐÒÖÙ×Ý×ØÑÐÓÐÑÒØÔÐδxÄÀ ÑÐØÓÒÒÀÓØ×Ø×ÖH(x)<br />

ÓÓÒÙØÐ×<br />

=<br />

ÇÒÒØÖ<br />

ÔÔÐÕÙÓÒ×ÐÓÔÖØÙÖD×ÙÖÐØØφ(x) =<br />

ÓÒØÓÒÓÒψ(x)ÕÙÐÓÒÕÙÓÒ<br />

Ð××ÒÚÖÒØÐÀÑÐØÓÒÒÚÓÖ ÓÑÑÙØÚÐÀÑÐØÓÒÒÕÙ×ØÙÒÓÒÕÙÚÐÒØÒÕÙÖÕÙ Ò×Ù×ØØÙÒØ Ò×ÓÒ<br />

ÒÓÒÐÙ×ÓÒÓÒÜÔÖÑÐÒÚÖÒÀÐÓÖ×ÙÒØÖÒ×ÐØÓÒÙ×Ý×ØÑ ÕÙÓÒ×ØØÙÙÒ×ÝÑØÖØÖÒ×ÐØÓÒÐÒÓÙ×ÓÒÙØÐÐÓ<br />

ÑØÖδÍδÕÙÐÓÒÜÔÖÑÔÖ ÊÔÖÒÓÒ×Ð×ÒÖÐÙÒØÖÒ×ÓÖÑØÓÒÙÒØÖÒÒØ×ÑÐÔÖ ÓÒ×ÖÚØÓÒp<br />

U(δ) = 1 + iδG + O(δ 2 ×ØÔÔÐÐÒÖØÙÖÐØÖÒ×ÓÖÑØÓÒÇÒÔÙØÖÑÓÒØÖÐØÖÒ×<br />

δ <br />

) ÓÖÑØÓÒÒ∆<br />

ÐÐÑØ<br />

U(∆<br />

<br />

<br />

δ iGU(∆)<br />

<br />

H(x − δx)<br />

H(x)ψ(x)<br />

0ÔÓÙÖÙÒ<br />

D(H(x)ψ(x)) = Dφ(x) = φ(x−δx) = H(x−δx)ψ(x−δx) = H(x)ψ(x −δx) =<br />

H(x)Dψ(x)<br />

<br />

D(H(x)ψ(x)) = H(x)Dψ(x)Ó(DH(x) − H(x)D)ψ(x) =<br />

ÓØÒØÐÐÓÓÒ×ÖÚØÓÒÐÕÙÒØØÑÓÙÚÑÒØ<br />

[D, H] = 0<br />

<br />

[p, H] = 0<br />

+ δ) = (1 + iδG)U(∆) <br />

[U(∆ + δ) − U(∆)]/δ = iGU(∆) <br />

→ 0 :Í(∆)<br />

∆ =


ØÖÒ×ÓÖÑØÓÒÍÓØØÖÙÒØÖ ÄÒØÖØÓÒÓÒÒ ÐÓÒ×ØÒØÔÙØØÖÓ×ÐÔÓÙÖ×Ø×ÖÐÓÒØÖÒØÍÄ<br />

U(∆)<br />

U † U = 1 ⇒ 1 − iδ(G † − G) + O(δ 2 <br />

) = 1 ÐÑÓÒØÖÕÙG † ÚH GÓÑÑÙØÙ××<br />

ÐÓÐÓÔÖØÙÖÕÙÒØØÑÓÙÚÑÒØ×ØÔÔÐÐÒÖØÙÖ×ØÖÒ×Ð ÓÒÐÓ×ÖÚÐG×ØÙÒÓÒ×ØÒØÒÓÒØÓÒÙØÑÔ×Ò×ØØØÖÑÒÓ ØÓÒ×Ò×Ð×Ô<br />

ÙØÖÔÖØ×UÓÑÑÙØÚHHÒÚÖÒØ×ÓÙ×U<br />

ÄØÖÒ×ÐØÓÒÒ×ÐØÑÔ×<br />

[G,<br />

ÑÒØÐÓÖÒÐÐÐØÑÔÓÖÐÐ ØÑØØÓÒ×ÕÙÐ×Ý×ØÑÔÝ×ÕÙÒ ×ÓØÒÖÒÐÔÖ×ÙÒØÖÒ×ÐØÓÒ ÓÒ×ÖÓÒ×ÑÒØÒÒØÙÒÒ<br />

ÐØØÖÑÒÖÙÒÓÖÒ×ÓÐÙÙ Ò×ÐØÑÔ×ÇÒÒÓÒÔ×ÐÔÓ×× ØÑÔ×ÔÖØÖ×ÖØÖ×ØÕÙ×Ù×Ý× ÖÚÒØÐ×Ý×ØÑÒÔÒÒØÔ×Ü ØÑÄÀÑÐØÓÒÒÓÙÐÄÖÒÒÕÙ<br />

ÔÖ××ÓÒÐÓÒ×ÖÚØÓÒÐÒÖ ÓÒ×ØÒØÐÒ×ØÖÒÙØÖÕÙÐÜ<br />

∂tÓÒÀ×ØÙÒ<br />

ØÙÖ××ÓÐØÖÒ×ÐØÓÒÒ×ÐØÑÔ× Ù×Ý×ØÑÄÀÑÐØÓÒÒÀ×ØÐÓÔÖ ÔÐØÑÒØØ∂H<br />

ØÔÖ×ÐÖÓØØÓÒ×ÓÒØÒ×ÖÒÐ×ÇÒÚÑÓÒØÖÖÕÙÐÒÚÖÒÔÖÖÓØ ÄÒÚÖÒÔÖÖÓØØÓÒ×ÒÕÙÐ×ØØ×ÙÒ×Ý×ØÑÔÖØÙÐ×ÚÒØ ÄÖÓØØÓÒÒ×Ð×Ô<br />

ÒÖÐ×Ð×Ù×ÙÒÔÖØÙÐÚ×ÔÒ ÍÒÖÓØØÓÒÒÒØ×ÑÐδθÙØÓÙÖÐÜÞ×ØÖÔÖ×ÒØÔÖÐÑØÖÅ ÔÖØÙÐ×Ò××ÔÒÑ××Ò×ÐÔÖÓÙÚÖÓÒÔÙØÖÑÖÕÙÐ×ÓÒÐÙ×ÓÒ××ÓÒØ ØÓÒ×Ø××ÓÐÓÒ×ÖÚØÓÒÙÑÓÑÒØÒÙÐÖÇÒÓÒ×ÖÐ×ÙÒ<br />

<br />

⎠ ÊÓØØÓÒ:x↦→Mx M<br />

<br />

G×ØÀÖÑØÕÙÙÒÖØÖ×ØÕÙ×Ó×ÖÚÐ×<br />

= exp(iG∆) + C<br />

<br />

= G,<br />

H] = 0<br />

⎛<br />

⎞ ⎛<br />

cosδθ − sin δθ 0<br />

≡⎝<br />

sin δθ cosδθ 0 ⎠ ∼ = ⎝<br />

0 0 1<br />

1 −δθ 0<br />

δθ 1 0<br />

0 0 1<br />


ÇÒÒØÖÓÙØÐÓÔÖØÙÖÊzÕÙØÖÒ×ÓÖÑÐØØψ<br />

Rz(δθ)ψ(x) ≡ ψ(M −1 x) = ψ(x + yδθ, −xδθ + y, z) ∼ ×ÒØ×ÐÓÒÐÜÞÐÓÔÖØÙÖÑÓÑÒØÒÙÐÖ ÄÜÔÖ××ÓÒÒØÖÔÖÒØ×ÙÖÒÖØÖÑ×ØÔÖÓÔÓÖØÓÒÒÐÐÐÓÑÔÓ<br />

= ψ(x) + δθ(y∂x − x∂y)ψ(x)<br />

L = r × ≡ pÄz i(y∂x − x∂y)ÕÙÓÒÒi 2 1 <br />

= −1<br />

Rz(δθ)ψ(x) = (1 − iδθLz)ψ(x) ÇÒÔÙØÒÖÐ×ÖÙÒÖÓØØÓÒÙØÓÙÖÐÜn | n |=<br />

Rnψ(x) = (1 − iδθnL · n)ψ(x)<br />

H(x)ψ(x)ÓÒÒÓØx ′ = M −1x) ÔÔÐÕÙÓÒ×ØÓÔÖØÙÖÐØØφ(x) =<br />

Rn(H(x)ψ(x)) = Rnφ(x) = φ(x ′ ) = H(x ′ )ψ(x ′ ÓÓÒØÙ×ÐÓÒØÓÒÒÚÖÒ )<br />

ËÐÓÒÓÒ×ÖÐ×ÔÖØÙÐ×Ú×ÔÒÓÒÔÙØ×Ù×ØØÙÖ ÖÐÖÓØØÓÒ×ØÕÙÐÓÒÕÙ <br />

×ØÒØÐÑÓÑÒØÒØÕÙØÓØÐÕÙ×ØÓÒ×ÖÚ <br />

JÓÙÐÖÐÒÖØÙÖÐÖÓØØÓÒ ÓψÓÒØÒØÒÔÐÙ×ÐÒÓÖÑØÓÒ×ÙÖÐ×ÔÒÐÔÖØÙÐØJ =<br />

ÊÑÖÕÙÙÔÓÒÚÖÖÙÒÙØÖ×ÓÖØ×ÝÑØÖØÒÚÖÒ ÙÄÒÚÖÒÙÑÑÔÐÕÙÐÓÒ×ÖÚØÓÒÐÖÑ<br />

×ÓÒÖÖÒÚÖ×ÑÒØÙØÑÔ× ÆÓÙ×ÐÐÓÒ×ÑÒØÒÒØÓÒ×ÖÖÐ×××ÝÑØÖ××ÖØ×ÔÖØÓÒÙ ÄÔÖØ<br />

<br />

ÓÑÑÔÖÚÙ<br />

[Rn, H] = 0 ÕÙ×ØÕÙÚÐÒØ<br />

= H(x)ψ(x ′ ) = H(x)Rnψ(x)<br />

H(x) = H(x ′ <br />

)<br />

[L, H] = 0<br />

Rnψ(x) = (1 − iδθnJ · n)ψ(x) <br />

[J, H] = 0 <br />

L + S


ØÓÒ ÄØÖÒ×ÓÖÑØÓÒÔÖÔÖØÙÒ×Ý×ØÑÔÖØÙÐ××ØÒÔÖÐÓÔÖ<br />

ÓÒÙÑÖÓØÐ×ÔÖØÙÐ×ÁÐ×ØÙÒ×ÝÑØÖÔÖÖÔÔÓÖØÐÓÖÒ <br />

P : xi ↦→ −xi<br />

ÁÐ×ØÐÖÕÙ<br />

ÙÖÔÖÄÕÙÖÚØÙÖ(t, x)×ØÖÒ×ÓÖÑÓÒÒP(t, x) (1, −1, ÊÑÖÕÙÞÕÙÒÓÓÖÓÒÒ×ÔÓÐÖ×x=R sin<br />

P 2 <br />

È×ØÕÙÚÐÒØÙÒÖÜÓÒÒ×ÙÒÑÖÓÖÔÐÒ×ÙÚÙÒÖÓØØÓÒ Ð×ÐÑÒØ×ÙÖÓÙÔÔÖØ×ÓÒØÓÒÈØÈ2Á É×ÓÒÚÒÖÕÙÐÓÒÒÔÙØÔ×ÖÙÖÈÙÒÖÓØØÓÒÑÓÒØÖÖÕÙ ÉÕÙÐ×ØÐÓÑÔÓÖØÑÒØ×ÓÙ×PÐÕÙÒØØÑÓÙÚÑÒØpÙ<br />

=ÒØØ.<br />

ÓÒ×Ð×Ý×ØÑÓ×ÖÚ×ØÒÚÖÒØ×ÓÙ×Ð×ÖÓØØÓÒ×ÐØÙ×ÓÒÓÑÔÓÖ ÄÓÔÖØÓÒÈÕÙÚÙØÙÒÖÓØØÓÒÔÖ×ÒÖÐÖÓØØÐÙ p<br />

ÙÒÚÖ×ÐÐËÙÖØÖÖÐ×ØÐÖÕÙÐ×ÓÖÒ×Ñ×ÚÚÒØ×ÓÒØØÙÙÒ ØÑÒØ×ÓÙ×È×ØÕÙÚÐÒØÐØÙ×ÓÒÓÑÔÓÖØÑÒØ×ÓÙ×ÙÒÖÜÓÒ<br />

Ò××ÒÐÚÈÖÜÑÔÐÐÖ×ÙÖÐ×ÝÑØÖÔÓÙÖÖØ×ÜÔÐÕÙÖÔÖ ÓÜØÓÙØÓ×ÐÔÓÙÖÖØØÖÙÜÓÒØÓÒ×ÒØÐ×ÔÖ×ÒØ×ÐÓÖ×Ð ÇÒÔÙØ×ÑÒÖ×Ð×ØÒØÓÒÒØÖÐÖÓØØÐÙÙÒÚÐÙÖ<br />

ÐØÕÙÐ×ÔÖÑÖ×ÓÖÒ×Ñ×××ÓÒØÓÖÑ×ÔÖØÖ×ÑÓÐÙÐ×ÓÖÒØ× ÄÔÖÑÖÓÖÒ×ÑÕÙÐ×ÖØÜØÖÓÖÄÔÖÓÒØÙÖÒÔ×Ù ×ÓÙ×ÐØÙÑÔÑÒØÕÙØÖÖ×ØÖÓÙ×ÓÙ×ÐÒÙÒÐÖÓØØÓÒÐ ÓÜÌÓÙØÓ×ÓÒÔÙØÑÒÖÕÙÒÑÓÝÒÒÐÚÒ×ÐÍÒÚÖ××ØØÓÙØ ØÖÖ ØÑÓÖØÕÙÐÝÙØÒØÚÐ×ØÓÒ×ÕÙ××ÐÙÒØÒ××ÖÖÒØÐ ÇÒÔÙØÑÑÑÒÖÙÒ×ØÙØÓÒØÓØÐÑÒØ×ÝÑØÖÕÙÐÓÖÒ<br />

ÖÓØ ÑÒÓÙØÒØÙÐÓÙÔÒÓÙ ÙÕÙÚÐ×ØÓÒ×ÕÙ××ÖÖÒØÐ<br />

ÁÐ×ØÙÒ×ÝÑØÖÜØÒ×ÐÐÑØÐÔÖ×ÓÒÜÔÖÑÒØÐÔÓÙÖ Ð×ÒØÖØÓÒ×ÑØÓÖØÑ×ÕÙ×ØÚÓÐÔÖÐÒØÖØÓÒ×ÐÓÒ ÐÆØÙÖØÙÒÖÒÒØÖÐÖÓØØÐÙ <br />

z = R cos θÐØÖÒ×ÓÖÑØÓÒ×ØÖÙØÔÖR<br />

−1, −1)<br />

′<br />

≡ (t, −x) : P ≡<br />

θ cosφ y = R sin θ sin φ<br />

= R, θ ′ = π − θ φ ′ = π + φ<br />

pÙ×ÔÒS×ÑÔ×EØBÙØÑÔ× ÑÓÑÒØÒÙÐÖÓÖØÐL = r × ÙÒÕÙÖÚØÙÖÐÖÐØÖÕÙQÙÔÖÓÙØ×ÐÖS ·<br />

ÈÓÙÖÙÒ×Ý×ØÑÔÖØÙÐ×ÒÚÖÒØ×ÓÙ×ÐÔÖØÓÒ<br />

H({x ′<br />

i }) ≡ H(P {xi}) = H({xi})


ØÙÖ ÒÓÒ×Ð×ÙÒÔÖØÙÐÒÔÖÐÓÒØÓÒÓÒψÇÒÒØÖÓÙØÐÓÔÖ ÓÒ×ÖÓÒ×ÑÒØÒÒØÐ×ØÙØÓÒÓÐÔÖØ×ØÙÒÓÒÒ×ÝÑØÖÈÖ<br />

Ð×ÚÐÙÖ×PaÔÓ××Ð××ÓÒØ+1Ø−1ÇÒÔÔÐÐPaÐÔÖØÒØÖÒ×ÕÙ ÔÖÓÖÐÚÐÙÖPaÔÒÐÔÖØÙÐÓÒÒØÖÓÙØ×ÚÐÙÖ×ÒÜ×ÔÖ ÄÓÒØÓÒ ÑÔÐÕÙÕÙ<br />

ÉÑÓÒØÖÖÕÙÐÓÒØÓÒÓÒÙÒÔÖØÙÐÙÖÔÓ××ØÙÒÚØÙÖÔÖÓÔÖ ÐÔÖØÙÐÖÐÐÖØÖ×ÐÔÖØÙÐÙÖÔÓ×<br />

Pψ(x,<br />

ÅÓÒØÖÖÕÙ×ÐÔÖØÙÐÙÒÑÓÑÒØÓÖØÐÒÖØÖ×ÔÖÐÒÓÑÖ<br />

ÐÒÓÑÐÔÖØÙÐÒÕÙ×ØÓÒPγÈπ Pp<br />

ÕÙÒØÕÙÄ×ÓÒØÓÒÓÒ×ØÙ××ÙÒÚØÙÖÔÖÓÔÖÈÚÐÚÐÙÖ ÈÚÚÐÙÖÔÖÓÔÖÈa<br />

ÓÒÔÓÙÖÐ×ÔÖØÙÐ×ØÒ×ÙÒØØÑÓÑÒØÒÙÐÖÓÖØÐÄÓÒ ×Ø<br />

ÓØÒØ<br />

ÄÒÖÐ×ØÓÒÔÐÙ×ÙÖ×ÔÖØÙÐ×Òx1 x2<br />

ÕÙ ÈÓÙÖÙÒ×Ý×ØÑÖØÖ×ÔÖ×ÓÒÑÐØÓÒÒÀÐÒÚÖÒ×ÓÙ×ÈÑÔÐÕÙ<br />

Pψ(x1,<br />

ÑÑ×Ð×ÔÖØÙÐ×ÓÒ×ØØÙÒØ×Ý×ØÑÒØÖ××ÒØØ×ØÖÒ×ÓÖÑÒØÒ ÙØÖ×ÔÖØÙÐ×ØØÓÒÐÙ×ÓÒ×ØÚÖÔÓÙÖÐ×ÒØÖØÓÒ×ÓÖØØÑ Ð×Ý×ØÑ×ØÒÚÖÒØÙÓÙÖ×ÙØÑÔ×È×ØÙÒÓÒ×ØÒØÙÑÓÙÚÑÒØ ÄÓÒ×ÖÚØÓÒÐÔÖØ×ÒÕÙÐÔÖØÐÓÒØÓÒÓÒÕÙÖØ<br />

Ò×ØÔ×Ð×ÔÓÙÖÐÒØÖØÓÒÐ<br />

[H,<br />

Ä×ÖÙÑÒØ×ÕÙÓÒÔÔÐÕÙÙÜÒÖØÙÖ××ØÖÒ×ÓÖÑØÓÒ×ÓÒØ ÒÙ×Ò×ÓÒØÔÐÙ×ÚÐÐ×Ò×Ð×ÙÒØÖÒ×ÓÖÑØÓÒ×ÖØÌÓÙ ØÓ××È×ØÐÓÔÖØÙÖÔÖØÐÓØ×Ø×Ö(P) 2 IÓÒÔÖ<br />

= ÐÙÒØÖØP PP † = IÓÒÙØÕÙP P † ÚÐÙÖ×ÔÖÓÔÖ×Pa×ÓÒ×ÖØÓÒ××ÔÔÐÕÙÒØÙÜ×ÝÑØÖ×ÙØÝÔ ÓÔÖØÙÖÀÖÑØÕÙØÐÔÙØØÖ××ÑÐÙÒÓ×ÖÚÐÓÐ× Ñ×Ô×ÐÒÚÖ×ÓÒÙ ÕÙÐ×ØÙÒ<br />

<br />

ØÑÔ×T<br />

t) = Paψ(−x, t) <br />

ÔÖÓÔÖPa(−1) LPψnℓm(x, t) = Pa(−1) L <br />

ψnℓm(x, t)<br />

Pψ(x1, x2, ..., t) = P1P2...ψ(−x1, −x2, ...t)<br />

x2t) = P1P2(−1) L <br />

<br />

ψ(x1, x2, t)<br />

P] = 0<br />

U 2 = IÓÒÙ×ÓÒÖCÔÖØG<br />

=


×ÓÙ×P ÇÒÐ×ÒÓÑÒØÓÒ××ÙÚÒØ×ÒÓÒØÓÒÙÓÑÔÓÖØÑÒØÐÖÒÙÖ ËÐÖ È×ÙÓ×ÐÖ ÎØÙÖÔÓÐÖ È×ÙÓÚØÙÖÜÐ P(s)<br />

P(p)−p<br />

P(v)−v<br />

P(a) ÍÒÔÖØÙÐ×ÔÒ0×ØØ×ÐÖ××ÔÖØ×ØÔÓ×ØÚ(JÔÖØ= 0 ØÔ×ÙÓ×ÐÖ××ÔÖØ×ØÒØÚ0 −Ø<br />

Ô×ÙÓÚØÙÖÔ×ÙÓ×ÐÖÚØÙÖÜÐ→−Ô×ÙÓ×ÐÖÚØÙÖÜÐ ÑÑÔÓÙÖÙÒÚØÙÖÓÒ ÚØÙÖ×ÐÖÚØÙÖ →×ÐÖ−ÚØÙÖ<br />

c×ÐÓÒÓÒÒØÐ×ÑÓÑÒØ×ÒÙÐÖ×ÓÖØÙÜLa + bØℓa ÓØÚÓÖPaPb(−1) L = PaPbPc(−1) ℓ •ËÔÖÓÒØÖÐÔÖØÙÐ×ØØÓÙÓÙÖ×ÔÖÓÙØÒ××ÓØÓÒÚÙÒÔÖ ×ØÙÒ×ÔÖÚÐÔÓÙÖØÖÑÒÖÐÔÖØÙÒÔÖØÙÐ<br />

ÇÒÐÖÐÒÖÐ PdÔÓÙÖÖØÖØÖÑÒ<br />

ÕÙÓÒÒPc<br />

ØÙÐ×ÙÐÐÔÖØÖÐØÚPc ·<br />

s<br />

a<br />

+ )<br />

cÓP×ØÓÒ×ÖÚÓÒÓØÒØÐÔÖØ cÇÒ<br />

•Ò×ÐÔÖÓ××Ù×a + b → a + b +<br />

+ b +<br />

= (−1) L+ℓ<br />

ÔÓÙÖÐ×ÖÑÓÒ× ÔÓÙÖÐ×Ó×ÓÒ× Èparticule−Èantiparticule<br />

Èparticule Èantiparticule É×ψ×ØÙÒÓÙÐ×ÔÒÙÖÖÑÓÒØÖÖÕÙÈψ(r, t) = γ0ψ(−r, t) ÉÙÚÙØÐÓÙÖÒØÖJ µ = ψγ µ ψØÖÒ×ÓÖÑ×ÓÙ×ÐÓÔÖØÓÒÈØ<br />

A µ = ψγ µ γ5 ÈÖØ×ÐÔØÓÒ×<br />

ψ<br />

ÒØÖÑÓÒ ÕÙ×ÓÐÙØÓÒ×ÐÕÙØÓÒÖÇÒØÖÓÙÚÕÙÔÓÙÖÙÒÔÖÖÑÓÒ ÈÖØÙÐØÒØÔÖØÙÐÔÔÖ××ÒØÒ×ÙÒÑÑÓÙÐ×ÔÒÙÖÒØÒØ<br />

PfP<br />

<br />

<br />

f = −1


Ô×Ø×ÔÖÐÒØÖØÓÒÓÖØÁØÓÑÑÓÒÐÑÒØÓÒÒÐÒØÖØÓÒ ÈÓÙÖØ×ØÖÐÓÒÓØÖÖÓÙÖ×ÐÒØÖØÓÒÑ ÖÐ×ÐÔØÓÒ×Ò×ÓÒØ<br />

ÒØÖÒ×ÕÙ×Ù+ØÙ−ÒÓÙÒØ×ÙÖÙØÖ×ÖØÓÒ×ÖÓÒØÓÙÓÙÖ×ÙÒ<br />

γγÑÓÒØÖÕÙ×Ø<br />

ÔÖØÒØÖÒ×ÕÙ×ÐÔØÓÒ×Ò×ØÔ×ÖÖÒ×ÐØÐÈ ÚÐÐÔÓÙÖÐ×Ý×ØÑ+−ÙØÖÔÖØÓÒÒÔÙØÔ×ØÖÑÒÖÐ×ÔÖØ× ÐÏÁÚÓÐÐÔÖØÄØÙÐÒÒÐØÓÒÙÔÖÔÓ×ØÖÓÒÙÑ+Ø−<br />

ÒÓÒ×ÕÙÒÐ<br />

→<br />

ÑÐ×ÕÙÖ××ÓÒØÖ×ÔÖÔÖ×ÕÙÖÒØÕÙÖÓÒÓÒÜÐÔÖØ× ÇÒÐÑÑÔÖÓÐÑÕÙÔÓÙÖÐ×ÐÔØÓÒ×Ò×Ð×ÒØÖØÓÒ×ÓÖØØ ÈÖØ×ÕÙÖ× ÒÓÑÖÔÖÐÔØÓÒ×ÒÙ+− →+−+ γ →+ γ<br />

ÕÙÖ×ÔÓ×ØÚØÐÐ×ÒØÕÙÖ×ÒØÚÔÖÓÖÒÚÐ×ÔÖØ×× ÖÓÒ×ØÒØÖÓÒ× ÔÖ×Ð×ÖÐ×ÔÖÑÑÒØØÐ×ÙÒÑ×ÓÒÓÑÔÓ×ÙÒÕÙÖØ ÈÖØ×ÖÓÒ× ÙÒÒØÕÙÖÜπ + ÒÖØÕÙÄ Ñ×ÓÒ×Ô×ÙÓ×ÐÖ× ÚÄÐÒÓÑÖÕÙÒØÕÙÓÖØÐËÐÓÒÔÖÒ×Ñ×ÓÒ×ÙÔÐÙ××ÒÚÙ ÔÖØÙÐ×Ô×ÙÓ×ÐÖ×ÂP−Ä×ÔÓÒ×ØÐ×ÓÒ××ÓÒØ×ÜÑÔÐ× Ò×Ð××ÖÝÓÒ×ÐÔÖÓÐÑÙÑÓÑÒØÒÙÐÖÓÖØÐ×ØÙÒÔÙ ÓÒÔÖØÕÙÐÔÖØÒØÖÒ×ÕÙ×Ø−1ÁÐ×ØÓÒ<br />

ÔÐÙ×ÓÑÔÐÕÙØÖØÖÖÓÒØÖÓ×ÕÙÖ×ÓÙØÖÓ×ÒØÕÙÖ×ÆÒÑÓÒ×ÓÒ ÔÙØØÖØÖÐÑÒØÐ×L=0ÔÓÙÖÐÕÙÐÓÒÓØÒØÙÒÔÖØ(+1) 3 ÈÓÙÖÐÒØÖÝÓÒ(−1) 3 ÈÖØÙÔÓØÓÒ ÇÒÖØÐÑÔÑÔÓØÓÒÕÙÔÖÐÕÙÖÚØÙÖA =<br />

ÈÖØÙÔÓÒ ÓÒÓÒØØÖÙÙÔÓØÓÒÙÒÔÖØÒØÚÄÔÓØÓÒ×ØÙÒÚØÙÖ ÐEÔÖE= −∇V ÈÙ×ÕÙP(E)<br />

ÓÒ×ÖÓÒ×ØÓÙØÓÖÐÔÖØÙÔÓÒÖÇÒÙØÐ×ÐÖØÓÒ<br />

=<br />

<br />

Ð×ÚÙÒÑÓÑÒØÒÙÐÖÓÖØÐÄ +−<br />

J P = 1 −<br />

= ÙÒÔÖØÒØÖÒ×ÕÙ<br />

ud PÑ×ÓÒ= PqPq(−1)<br />

L = (−1) L+1 <br />

= +1<br />

= −1ÓÒÐÔÖÓØÓÒØÐÒÙØÖÓÒÓÒØÙÒÔÖØ+1<br />

(V, A) A×Ø<br />

− ∂A µ<br />

≡ −∂µA ∂t<br />

−EØP(∂t, ∇) = (∂t, −∇)ÓÒÓØÒØP(V, A) = (V, −A).


π− Ò Ò<br />

ÂÄ Ü ÓÒ×ÖÚØÓÒÙÂ<br />

ÐÓÖØËℓ ÄÔÓÒ×ÑØÒÓÖØÙØÓÙÖÙØÓÒÐ×ØÔÖÐ×ÙØÔØÙÖÔÙ× ÕÙÐÔÐÙ×ÖÒÖÓÙÚÖÑÒØÚÐÔÖÓØÓÒÙÙØÓÒÄ<br />

⇒<br />

ÔÖØÐØØÒØÐ×ØÓÒPπPd(−1) ℓ PπPdÄÙØÓÒ×ØÓÖÑÙÒ ×ØÖÚÙÒ<br />

= ÒÙØÖÓÒØÙÒÔÖÓØÓÒÐ×ÔÖÒÔÐÑÒØÒ×ÐØØ3 S1 ×ÔÒËØÙÒÑÓÑÒØÒÙÐÖÓÖØÐÄ×ÔÖØÚÙØ(+1)(+1)(−1) L +1ÄØØÒØÐÐÖØÓÒ×ØÓÒÖØÖ×ÔÖÙÒÔÖØÐÐÐ ÙÔÓÒ ÐØØÒÐÐÖØÓÒÓÒÔÙØÓÖÑÖ×ÓÑÒ×ÓÒ××ÔÒÒØ×ÝÑ ÎÓÝÓÒ×ÓÑÑÒØØØÖÙÖÐ×ÑÓÑÒØ×ÒÙÐÖ×ÚÐ×ÙÜÒÙØÖÓÒ×<br />

1ÙØÝÔ|↑↑〉 ØÖÕÙS= 0ÙØÝÔ|↑↓〉Ø×ÝÑØÖÕÙS= <br />

×ÒÐØØÒØ×ÝÑØÖÕÙØÒ×ÕÙØÒÐ××Ð×ØØ××ÝÑØÖÕÙ× ÒÚÖÒØ× ËÐ×ÙÜÒÙØÖÓÒ××ÓÒØÒ×ÐØØ×ÔÒÒØ×ÝÑØÖÕÙÙØÝÔ|↑↓〉ÓÒ ÇÒÚÓØÕÙÐÒ×ÔÖØÙÐ×↔×ØÕÙÚÐÒØÙÒÒÑÒØ<br />

ËiØÜËÐ××ÓÒØÒ×ÐØØ×ÔÒ×ÝÑØÖÕÙÙØÝÔ|↑↑〉 ËiØ ËÐÔÖØ×ÔÒÓÖÐÐÐÓÒØÓÒÓÒ×ØÒØ×ÝÑØÖÕÙÐÔÖØ×ÔØÐ ÜÔÙØÔÖÒÖÐ×ÚÐÙÖ× ÓØØÖ×ÝÑØÖÕÙØÚØÚÖ× ÇÖÐÒÙØÖÓÒ×ØÙÒÖÑÓÒÐÓÒØÓÒÓÒ<br />

Ä×ÙÐÔÓ××ÐØÕÙ×Ø××××ÑÙÐØÒÑÒØÐÓÒ×ÖÚØÓÒJØÐ Ù×Ý×ØÑ×ÙÜÒÙØÖÓÒ×ÓØØÖÒØ×ÝÑØÖÕÙψ(n1, n2)<br />

×ØØ×ØÕÙÖÑÖ×Ø Si ÒÓÒÐÙ×ÓÒÐÔÖØÐØØÒÐÐÖØÓÒ×ØÓÒÒÔÖPnPn(−1) 1 −1ÄÓÒ×ÖÚØÓÒÐÔÖØÒ×ÐÒØÖØÓÒÓÖØÑÔÓ×ÓÒÙÒÔÖØ<br />

<br />

ÒØÖÒ×ÕÙÙÔÓÒÖÐ−1 ÖÔÔÐÐÒÓØØÓÒ×ÔØÖÓ×ÓÔÕÙ2S+1 LJ<br />

ËËi<br />

→<br />

|0, 0〉 = 1 <br />

√ 1 1<br />

, 1<br />

, −1<br />

2 2 1 2 2 2<br />

2<br />

− <br />

1<br />

, −1 1 1<br />

, 2 2 1 2 2 2<br />

|1, +1〉 = <br />

1 1 , 1 1 , 2 2 1 2 2 2<br />

|1, 0〉 = 1 <br />

√ 1 1 , 1,<br />

−1<br />

2 2 1 2 2 2<br />

2<br />

+ <br />

1,<br />

−1 1 1 , 2 2 1 2 2 2<br />

|1, −1〉 = <br />

1<br />

, −1 1<br />

, −1<br />

2<br />

2<br />

1<br />

2<br />

2<br />

2<br />

= 1 x = 1ØJ = 1<br />

=<br />

= −ψ(n2, n1)<br />

=


ËiÖÕÙ×ÔÖ ÖÕÙ×ÔÖ<br />

ÄØÙÐ×ÒØÖØÓÒπ 0 ÔÓÒÒÙØÖ×ØÙ××ÒØÚÄ×ØØ×ÖÙÔÓÒÓÖÑÒØÓÒÙÒØÖÔÐØ<br />

γγÑÓÒØÖÕÙÐÔÖØÒØÖÒ×ÕÙÙ<br />

ÎÓÐØÓÒÐÔÖØ Ä×ÔÝ×Ò×ÓÒØÓÑÑÒ×ÒØÖ××Ö×ÙØÔÖØÖÐÒÒ<br />

→<br />

ÇÒÚØÒØÐÔÓÕÙÙÜÔÖØÙÐ×Ò×ØÐ×Ñ×××ØÙÖ ÐÔØÓÒτØÙÐÇÒÚØÙ××ÖÓÒÒÙÕÙÐÔÖØÙÐθ××ÒØÖÒÔÓÒ× Ð×ÝÓÒØØÑÒ×ÔÖÐÖÖÐ×ÓÐÙØÓÒÙÑÙÜÔÙÞÞÐθτ<br />

ÐÔÖØÙÐτÒÔÓÒ×ÄÒÐÝ×Ò×ÔÒÔÖØ×ÔÖÓ××Ù××ÒØÖØÓÒ ÙÜØØÖÓ×ÓÖÔ×ÚØÑÒÙÜÖ×ÙÐØØ××ÙÚÒØ×Ò×Ð×ÒØÖØÓÒ ØØÖÒÖÒÖÒÚÓÖÚÐ ÚÚÓ×Ò×ÕÙÓÒÚØÔÔÐ×θØτ<br />

Ùθ +<br />

Ü<br />

θ<br />

S Sθ +<br />

L 0<br />

ÖÑÖ ÓÒ×ÖÚØÓÒÂ<br />

x = 0, 2, 4, ... x = 1<br />

x = 1, 3, 5, ... x = 0, 1, 2<br />

JP = 0−ÔÖØÙÐ×Ô×ÙÓ×ÐÖ× + → π + π 0<br />

J Sθ + ⇒ Ëθ + ÓÒ×ÖÚØÓÒÙJ ÓÜ=Äππ =Âππ =Ëθ +<br />

Èππ = P π+ P π0<br />

2 (−1)Äππ = (−1) (−1)Äππ = (−1)Äππ ÒÓÒØÓÒÐÚÐÙÖËτ + Ò×Ð×ÒØÖØÓÒÙτ + ÁÐØØÓÑÑÓÔÓÙÖÐÒÐÝ×ÓÑÔÓ×ÖÐÑÓÑÒØÒÙÐÖÓÖØÐ ÖØÖ×ÒØÐÑÓÙÚÑÒØÖÐØÙπ −ÔÖÖÔÔÓÖØÙ×Ý×ØÑπ + π +ÄÔÓÒ<br />

ÄÔÖØØØ×ÙÔÔÓ×ØÖÓÒ×ÖÚÒ×ÐÔÖÓ××Ù××ÒØÖØÓÒ<br />

ÒÝÒØÔ××ÔÒÓÒ|<br />

<br />

L − ℓ |≤ Jπππ ≤| L + ℓ |<br />

ÄÔÖØθ +ÔÓÙÚØÓÒØÖÖØÖ×ÔÖÐ×ÕÙÒJ Pθ ++ − +<br />

ÒÐÒÙÜØÖÑ×ÄÖØÖ×ÒØÐÑÓÙÚÑÒØÖÐØ×ÙÜπ +Øℓ<br />

Ø ±−8× ÒÙÒØÑ××ÐØÖÓÒÕÙ ± ر ±


ℓ<br />

τ + → π + π + π− Ä S Sτ +<br />

L<br />

J Sτ + ⇒ Ëτ + ÄÔÖØÐØØÒÐ×ØÓÒÒÔÖ<br />

ÓÒ×ÖÚØÓÒÙJ<br />

Pπππ = Pπ +Pπ +Pπ −(−1)L (−1) ℓ = (−1) 3 (−1) L+ℓ<br />

ÓØØÖÔÖ ÒØÕÙ×ÚÒØ×Ø×ÖÐ×ØØ×ØÕÙÓ×Ò×ØÒÐÙÖÓÒØÓÒÓÒ ÓÙØÓÒ×ÕÙÄÒÔÙØÔÖÒÖÕÙ×ÚÐÙÖ×ÔÖ×ÖÐ×ØÙÜÓ×ÓÒ× ÇÒÔÓÙÚØÓÒ××ÒÖÐ×ÚÐÙÖ××ÔÒÔÖØ×ÙÚÒØ×ÐÔÖØÙÐτ + ÒÓÒØÓÒ×ÚÐÙÖ×ℓØÄÚÓÖÙÖ<br />

π<br />

+<br />

0 0<br />

L<br />

+<br />

1 0 1<br />

−<br />

2 0 2<br />

−<br />

0 2 2<br />

+ + +<br />

π +<br />

1 2 1 2 3<br />

− − − − −<br />

2 2 0 1 2 3 4<br />

ÍÒÒÐÝ××ÖØÖ×ØÕÙ×ÒÑØÕÙ×Ð×ÒØÖØÓÒÒ ÒØÓÒℓØÄÔÓÙÖÐ×Ý×ØÑØÖÓ×ÔÓÒ×<br />

π −<br />

ÓÖÔ× ÐÔÖØÙÐτ +ØÔÖÐØÞÚØÑÓÒØÖÕÙÐ××ÒØÓÒJ Pτ + = 0− ×ÔÒÔÖØØÔÓÙÖÐÔÖØÙÐθÆÓØÓÒ×ÕÙÐ×ÓÖ×Ù××Ø×ÐÓÒ ØØÒØØÑÒØÚÓÖ×ØØÔÖØÓÒØØÒÓÑÔØÐÚÐÔÖØÓÒ ÔÖÒÐ×ÔÖÑÖ×ØØ×ÜØØÓÒÓÖØÐÙ×Ý×ØÑ×ØÖÓ×ÔÓÒ× ×ÔÖØÙÐ××ØÒØ××ÓØÐ×ØÐÑÑÔÖØÙÐØÐÙÒ×ÔÖÓ××Ù× ×ÒØÖØÓÒÚÓÐÐÔÖØ ÊÀÐØÞÈÐÅ<br />

×Ö×ÙÐØØ×ÚÒØÓÒÙØÙÜÓÒÐÙ×ÓÒ××ÙÚÒØ××ÓØÐθØÐτ×ÓÒØ<br />

ÇÒ×ØÙÓÙÖÙÕÙÐ×ØÒÐÑÑÔÖØÙÐÕÙÐÓÒ×Ò×ÓÙ×ÐÒÓÑ <br />

ÓÒ <br />

L<br />

J P<br />

0 −


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ÑÒØÑ×ÒÔÔÐØÓÒÒ×ÙÒÜÔÖÒÖÐ×ÐÙÒÚÖ×ØÓÐÙÑ ÚÒØÙÐÐÚÓÐØÓÒÐ×ÝÑØÖÖÓØÙØØ×Ù×ØÓÒØØÖÔ<br />

ÄÜÔÖÒÏÙØÐ Æ<br />

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ÙÓ×ÓÒØÒÚÖ××ÓÒÖÔÖ×ÒØÐÚØÙÖÔÓÐÖ×ØÓÒÐÑÒÖÙÒØÖ ÑÖÓÖÔÐÒÚÓÖÙÖ Ò×ÐÑÓÒÒÔÖÐÑÖÓÖÐÓÙÖÒØÒ×Ð×ÓÒ×ØÐÔÓÐÖ×ØÓÒ ÊÔÔÐÓÒ×ÕÙÈ×ØÕÙÚÐÒØÙÒÖÜÓÒ ÇÒÚÓØÕÙÐÒÚÖÒ×ÓÙ×ÈÒÔÙØØÖ×Ø×ØÕÙ×< JCo<br />

ÑÓÒØÖÕÙÐÓÒÙÖØÓÒÙ×ØÔÐÙ×ÔÖÓÐÕÙÐÐÖÓØ ÓÙÓÒÈÖÓÒØÖÐÖØÓÒÑ××ÓÒ×−×ØÓÒ×ÖÚÄÜÔÖÒ<br />

ÓÐ×ÙÜÐÔØÓÒ××ÓÒØÑ×Ó×Ó×ÈÙ×ÕÙÐÒØÒÙØÖÒÓ×ØÜÐÙ×ÚÑÒØ ØÓÒÒÒÔ×ÐÖ×ÙÐØØÐ×Ù××ÓÒ ÂCoØÐ60Æ∗ÙÒ×ÔÒÂNiÓÒ×ÖÓÒ×ÚÓÖÙÖ ÌÄÆÒÈÝ×ÊÚ<br />

ÄÒØÖÔÖØØÓÒÑÖÓ×ÓÔÕÙÙÔÖÓ××Ù××ØÐ×ÙÚÒØÐ60ÓÙÒ×ÔÒ<br />

Ð×ÜØÑ ·p ÐÄÖÓØØÓÒ×Ù×ÕÙÒØ×◦ÒØÔ×ÐÚÐÙÖÙÔÖÓÙØJCo<br />

ËÏÙÑÐÖÊÀÝÛÖÀÓÔÔ×ÊÀÙ×ÓÒÈÝ×ÊÚ <br />

ÏÙØÐØÙÒØÐ×ÒØÖØÓÒØÏÁÙÓÐØ<br />

60 Co → 60 Ni ∗ + e − + νe<br />

ÐÓÔÖØÙÖÔÖØÔÖÓÙØ×ÐÖÓÒÓØÒØ<br />

P(JCo · p e) = −JCo · p e<br />

(JCo · p e×ØÙÒÔ×ÙÓ×ÐÖ<br />

P(< JCo · p e >) = − < JCo · p e ><br />

×ØÓÒÒÓÒÒÙÐÐØÔÐÙ×ÒØÚÖ×ÙÐØØÔÔÓÖØÐ<br />

· p e >= 0<br />

0ÐÔÖØ×ØÓÒÚÓÐÒ×ÐÔÖÓ××Ù××ÒØÖØÓÒ<br />

< JCo · pe > <<br />

e


i<br />

i<br />

e<br />

JCo<br />

ÖÓØÖÐØ ÊÔÖ×ÒØØÓÒ×ÑØÕÙÐÜÔÖÒÏÙØÐ<br />

ÓÖØÖÙÖÐØ−1ØØÖÑ×ÒÖØÓÒÓÔÔÓ×Ù×ÔÒÙ ÓÒÓÑÔÖÒÕÙÒ×ØØÓÒÙÖØÓÒÐÐØÖÓÒ×ÓØ<br />

Miroir<br />

ÜÑÔÐÒ×ÐÍÒÚÖ×ÓÒØÖÓÙÚ ÓÓÒ××ÙÖÖÐÓÒ×ÖÚØÓÒÙÑÓÑÒØÒÙÐÖ ÐÓÔÔÓ××ØÚÖÔÓÙÖÐ×ÒØÒÙØÖÒÓ× ÇÒÔÙØÖÑÖÕÙÖÕÙÐÚÓÐØÓÒÓ×ÖÚÐÔÖØ×ØÑÜÑÐÈÖ<br />

ÔÖÐÒØÖØÓÒÐÔÖÜÑÔÐÒ×Ð×ÒØÖØÓÒÑÙÓÒ×ÔÓÐÖ×× ÄÚÓÐØÓÒÐÔÖØØÓ×ÖÚÔÖÐ×ÙØÒ×ÙØÖ×ÔÖÓ××Ù×Ö× νÙÖ×Ø0%νÖÓØÖ×<br />

ÕÙÐ××ÓÒØÒÚ×Ð× Ñ×ÕÙ×ÖÒÖ××ÓÒØ×ØÖÐ× ØÝÔÖÓÒ×ÔÓÐÖ××<br />

×ÐÖØÐÈÝ×ÊÚ ÊÄÖÛÒØÐÈÝ×ÊÚ ÍÒÙØÖÔÓÒØÚÙ×ØÕÙÐÜ×ØÙÒÒÓÑÖÐÒÙØÖÒÓ×ÙÖ×ØÖÓØÖ× ÕÙÐ×ÒÓÙÔÐÒØÚÙÙÒÙØÖÔÖØÙÐÓÒ ØËÖÛÓÖØÐÈÝ×ÊÚ <br />

<br />

JCo<br />

e<br />

i<br />

i


z<br />

J z = 5<br />

J z = 4<br />

J z = 1<br />

e<br />

ÇÒÖÔÖÒÖ×ÙØÔÐÙ×ÒØÐÙÔØÖÓÒ×ÖÐÒØÖØÓÒ ×ÒØÖØÓÒÙ60ÓÓÒÙÖØÓÒÚÓÖ×<br />

60<br />

60<br />

Co<br />

Ni *<br />

Ð ÔÐÐ×ÔÖØÙÐ×ÙÒ×Ý×ØÑÔÖÐÙÖ×ÒØÔÖØÙÐ××Ò×ÐØÖÖÐ×ÙØÖ× ÄÓÒÙ×ÓÒÖCÓÔÖØÙÖÕÙÒØÕÙC×ØÐÓÔÖØÓÒÕÙÖÑ ÄÓÒÙ×ÓÒÖ<br />

Ð×Ö×ØÐ×ÑÓÑÒØ×ÑÒØÕÙ××ÓÒØÒÚÖ××ÓÒÐÐÒÒÖØÕÙ<br />

p)×ÔÒÐØ ÈÖØØÓÔÖØÓÒØÓÙØ× ÖØÖ×ØÕÙ×ÕÙÖÚØÙÖ(E,<br />

××ÓÐÒØÖØÓÒÑÒ×ÙØÔ×ÒÑÒØ<br />

[Hem, C] = 0 <br />

×ØÙ××ÙÒ×ÝÑØÖÐÁÓÒ<br />

[Hem + HIF, C] = 0 <br />

ÈÖÓÒØÖÐÀÑÐØÓÒÒÐÒØÖØÓÒÐÒ×ØÔ×ÒÚÖÒØ×ÓÙ×<br />

[HWI, C] = 0 <br />

<br />

νe


ÇÒÚ×ÐÑØÖÔÓÙÖÐÑÓÑÒØ<br />

ÁÐÙØ×ØÒÙÖÙÜÐ×××ÔÖØÙÐ× H = Hem<br />

a<br />

+ HIF<br />

ÓÒÔÓÙÖÐ×ÕÙÐÐ×=<br />

<br />

Ð×ÔÖØÙÐ×ÕÙ×ÓÒØÖÒØ×ÐÙÖ×ÒØÔÖØÙÐ×ÔÒπ + , K + Ð×ÔÖØÙÐ×ÕÙ×ÓÒØÒØÕÙ×ÐÙÖ×ÒØÔÖØÙÐ×α=γ, π0 ÉØÙÖÐ×ÙÒÙØÖÓÒÒØÖÑ××ØÖÙØÙÖÕÙÖ×ÁÑÔÓÙÖÐ , η<br />

×Ý×ØÑ×ÃÒÙØÖ×<br />

ÐÑÒØÖ ÕÙ×ØÒ×ÒÔÖÕÙÔÖÓÙÚÕÙÐÒ×ØÔ×ÙÒÓÒ×ØØÙÒØ ÒÕÙÐÒÙØÖÓÒØÙÒÖÒÙÐÐÐÙÒÑÓÑÒØÑÒØÕÙÒÓÒÒÙÐ<br />

Ò×ÒÕÙÒØØÑÓÙÚÑÒØ×ÔÒ ψ〉Ð×ÔÒ<br />

ÚØØÒÓØØÓÒÓÒÔÓÙÖÐ×ÙÜÐ×××ÔÖØÙÐ×××Ù×<br />

ÆÓÙ×Ò××ÓÒ×ÐÓÒØÓÒÓÒÔÜÙÒÔÖÓØÓÒÔÖ|p, ØÒØÓÒØÒÙ×Ò×ÐÓÒØÓÒψ<br />

Ò×ÐÔÖÑÖ×ÓÒÒÔ×ØØÔÖÓÔÖÒ×Ð×ÓÒÓÒÙÒØØÔÖÓÔÖ ÚÐÚÐÙÖÔÖÓÔÖCαÄØÙÖÔ×Cα×Ø×ÑÐÖÐÙÕÙÐÓÒ ÖÒÓÒØÖÚÐÓÔÖØÙÖPÔÙ×ÕÙC 2ÓÒÓØÒØCα Ô××ØÖØÖÖÖØÓÙØÓÒÒÓÒÑ×ÙÖÐÓÒÖÒÓÒØÖÐ×ÙÜ ÔÖÓ×ØÙÖÐÔÖØCÒ×Ð××ÔÖØÙÐ×ØÝÔÐØÙÖ<br />

±1ÇÒÔÔÐÐ<br />

ÈÓÙÖÙÒ×Ý×ØÑÔÖØÙÐ×<br />

=<br />

ÍÒ×Ý×ØÑÓÑÔÓ×ÙÒÔÖØÙÐØ×ÓÒÒØÔÖØÙÐÑÑØÝÔ×Ø<br />

= ÓÒÚÒØÓÒ×Ca<br />

ÙÒØØÔÖÓÔÖÖÒÔÖØÕÙÐÓÔÖØÙÖØÙÐÒ×ÙÜ ÔÖØÙÐ×<br />

<br />

C|a,<br />

ÍÒ×Ý×ØÑÔÓÒÒÙÐÓÒ×ÖÖØÔÜÔÖ<br />

|π + , ψ1; p, ψ2〉 ≡ |π + , ψ1〉|p, ψ2〉 etc... <br />

C|a, ψ〉 = η|a, ψ〉 Ø<br />

C|α,<br />

ψ〉 = Cα|α, ψ〉 <br />

<br />

±1<br />

C|a1, ψ1; a2, ψ2; ...; an, ψn; αn+1, ψn+1; ...; αm+n, ψm+n〉 =<br />

Cαn+1...Cαn+m|a1, ψ1; a2, ψ2; ...; an, ψn; αn+1, ψn+1; ...; αm+n, ψm+n〉<br />

<br />

ψ1; a, ψ2〉 = |a, ψ1; a, ψ2〉 = ±|a, ψ1; a, ψ2〉


Ð×Ò±ÔÒÙÖØÖ×ÝÑØÖÕÙÓÙÒØ×ÝÑØÖÕÙÐØØ ×Ý×ØÑÐÓÖ×ÐÒØaÈÖÜÑÔÐÔÓÙÖÐ×Ý×ØÑπ + ÙÔÓÒØÚÙÐÓ×ÖÚØÙÖÐÓÔÖØÓÒÓÒÙ×ÓÒÖÖÚÒØ<br />

, π− :<br />

C|π + π− ; L〉 = (−1) L |π + π− <br />

; L〉<br />

π π<br />

r r<br />

1 π 1 π<br />

ÌÖÒ×ÓÖÑØÓÒÔÖÙ×Ý×ØÑÙÜÔÓÒ×<br />

C<br />

r2 r2<br />

ÓØÒØÙÒ×Ý×ØÑÕÙÚÐÒØÙÔÖÒØÒ×ÐÕÙÐÐÔÓ×ØÓÒÖÐØÚ× ÒÖÐÔÓ×ØÓÒ×ÙÜÔÖØÙÐ×Ë×ØÙÒ×ÝÑØÖÙ×Ý×ØÑÓÒ<br />

ÑÔÖ<br />

r2ÚÒØ−RÕÙ×ÖÔÖÙØ<br />

ψ(−R)ÓÑÑ ÙÜÔÖØÙÐ×Ò×ÒR<br />

ÊÔØØÙÚÒØÚÐ×ÙÜ×ÔÒ×<br />

=<br />

ÓÒÔÙØÓÖÑÖÐ×ÓÑÒ×ÓÒ××ÔÒ<br />

r1 − ×ÙÖÐÔÖØ×ÔØÐÐÓÒØÓÒÓÒC(ψ(R))<br />

1)×ÙÚÒØ×<br />

= ×ÙØØØÔÖØ×ÔØÐ×Ø×ÝÑØÖÕÙÔÓÙÖLÔÖÒØ×ÝÑØÖÕÙÔÓÙÖL ÓÒ×ÖÓÒ×Ð×Ù×Ý×ØÑÖÑÓÒÒØÖÑÓÒff ÒØ×ÝÑØÖÕÙ(S = 0)Ø×ÝÑØÖÕÙ(S =<br />

|0, 0〉 = 1 <br />

√ 1 1 , 1,<br />

−1<br />

2 2 1 2 2 2<br />

2<br />

− <br />

1,<br />

−1 1 1 , 2 2 1 2 2 2<br />

|1, +1〉 = <br />

1 1 , 1 1 , 2 2 1 2 2 2<br />

|1, 0〉 = 1 <br />

√ 1 1<br />

, 1<br />

, −1<br />

2 2 1 2 2 2<br />

2<br />

+ <br />

1<br />

, −1 1 1<br />

, 2 2 1 2 2 2<br />

|1, −1〉 = ËÓÙ×ÐÓÔÖØÓÒÔÖØÐÔÖØ×ÔÒÓÖÐÐÐÓÒØÓÒÓÒÑÒ<br />

LØÐÔÖØ<br />

<br />

1,<br />

−1 1,<br />

−1<br />

2 2 1 2 2 2 ÙÒØÙÖÑÙÐØÔÐØ(−1) S+1ÐÔÖØ×ÔØÐÙÒØÙÖ(−1)


ÒØÖÒ×ÕÙÚÓÖÔØÖ ÖÑÓÒÒØÖÑÓÒ ÙÒØÙÖ−1ÓÒÙØÓØÐÔÓÙÖÐ×Ý×ØÑ<br />

C <br />

S+L<br />

f, f, J, L, S = (−1) <br />

ÇÒÔÙØ×Ò×ÔÖÖÐÔÖÓÙÖÙØÐ×ÔÓÙÖÐÔÖØÈËÓÙ×ÐÔÓØÒØÐ ÄÔÖØÙÔÓØÓÒ<br />

<br />

f, f, J, L, S<br />

×Ò ÄÑÔEØÐÔÓØÒØÐ×ÐÖVÒÒØ×Ò×ÓÙ×CÖØÓÙØ×Ð× ÓÒ<br />

<br />

Ö××ÓÒØÒÚÖ××E= −∇V<br />

Cγ ÄÔÖØÙπ 0<br />

ÓÒÖÑÜÔÖÑÒØÐÑÒØÔÖÐ×ÒØÖØÓÒÓ×ÖÚÒÙÜÔÓØÓÒ× Ò×ÐÑÓÐ×ÕÙÖ×ÐÔÓÒÒÙØÖ×ØÙÒØØ1Ë0Ù×Ý×ØÑ1 √2<br />

uu + ddÇÒÐÙÔÖØÓÒÙÒÔÖØπ π 0 ÁÐ×ØÙÒ×ÒØÖØÓÒÑÕÙÓÒ×ÖÚÓÒÔÙØÓÒÖÖ <br />

→ γγ<br />

Cπ0 = CγCγ ÐÙÖ ÔÖÓ××Ù××ØÒØÖÔÖØÐÙÖÑÑÒÒÐØÓÒØÖÒÙÐÖ ËÙÖÐ×ØÖØÔÐÒÙÓÙÔÐÑÐ×ÒØÖØÓÒÒÔÓØÓÒ× <br />

= 1<br />

×ÖÒÓÑÔØÐÔÙ××ÒÖØÖ×ÐØÓÒ ØÙÖÙÑÓÒ× ÜÔÖÑÒØÐÑÒØÓÒØÖÓÙÚÕÙÐÚÓÒ ÎÓÖÔÜÃÓØØÖÒÎÏ××ÓÔÓÒÔØ×ÓÈÖØÐÈÝ××ÚÓÐ −8ÕÙ×ØÙÒÓÒ×ÕÙÒÐÓÒ×ÖÚØÓÒÇÒ ÔÓØÓÒ××Ø×ÙÔÔÖÑÔÖÙÒ<br />

ÍÒÈÖ××ÔÒÓØ<br />

ÇÜÓÖ<br />

ÚØÙÖ×ØÖÒ×ÓÖÑÓÑÑ <br />

C(A(t, x)) = CγA(t, x)<br />

− ∂A µÓÒØÖÕÙAÒÙ××<br />

<br />

≡ ∂µA ∂t<br />

= −1. = (−1)L+S = (−1) 0+0 1Ð×Ø =<br />

0<br />

ÚÖØ×ÑÒØÖÒ×ÐÔÖÓÔÓÖØÓÒ<br />

Γ(π 0 → γγγ)<br />

(Γπ 0 → γγ) ≃Ç(αem) ≈ 1<br />

137 ≈ 1%


ËÑ×ÒØÖØÓÒÙπ 0<br />

ÈÖØÙη Äη×ØÙÒÔÖØÙÐÔ×ÙÓ×ÐÖÓÑÑÐπ 0ÇÒÐ×ÑÓ××Ò ØÖØÓÒ<br />

×ØÑÔ×ØÝÔÕÙÐÒØÖØÓÒÑÄ×ÖÔÔÓÖØ×ÑÖÒÑÒØ×ÓÒØ×<br />

η<br />

ÒÚÖÒ×ÓÙ×ÐÒØÖØÓÒÑË×ØÙÒÓÒÒ×ÝÑØÖÐØØÒÐ ÑÐÖ×ÓÒÐ×ØÖÓ×ÔÖÓ××Ù××ÓÒØÒØÙÖÑÄ×ÙÜÔÖÑÖ×ÚÓ× ÓÒÒÒØÙÒη ×Ò×ÑÙØÇÒÙØÐ×ÐÖÒÖÚÓÔÓÙÖÙÒØ×Ø ÄØÑÔ×Ú×ØØÐÈτ =<br />

ÕÙ×ØÓÒÖÑÜÔÖÑÒØÐÑÒØÙÒÚÙ ÒÓÒ×ÕÙÒÐ××ÔØÖ××ÙÜÔÓÒ×Ö×ÓÚÒØØÖÒØÕÙ×<br />

−3<br />

→ γ + γ Br = 0.39<br />

η → π0 + π0 + π0 Br = 0.32<br />

η → π0 + π + + π− <br />

Br = 0.24 <br />

Γ = 6.6 10−22 /1.2 10−3 = 5.5 10−19 π 0 (p) + π + (p1) + π − ÓØØÖÒØÕÙ×ÓÒÓÒÙÙ×ÓÙ× <br />

(p2)<br />

π 0 (p) + π − (p1) + π + <br />

(p2)


ÆÓÒÓÒ×ÖÚØÓÒÒ×ÐÒØÖØÓÒÐ ÒÔÖÐ×Ø×ÖØÑÒØÓ×ÖÚÐ×ÙÜÕÙÐ×ÐÐÓÒÒÐÙÈÖÒÓÒ×ÔÖ ÄÒÓÒÓÒ×ÖÚØÓÒÒ×ÐÒØÖØÓÒÐÔÙØØÖÑ×ÒÚ ÜÑÔÐÐ×ÔÖÓ××Ù××ÒØÖØÓÒÐπ ± ×ÔÖÓÔÖØ×ÙÒÙØÖÒÓØÐÓÒ×ÖÚØÓÒÙÑÓÑÒØÒÙÐÖе +Ø Ðµ −ÓÒØ×ÐØ×Ø×ÔÓÐÖ×ØÓÒ×ÓÔÔÓ××ÁÑÒÓÒ×ÙÒÜÔÖÒ ÖÐ×Ò×ÙÒ×ÙÑÜØπ ±ÚÙÒÔÔÖÐÐÔÐ×ÐØÓÒÒÖ Ð×ÑÙÓÒ×Ò×ÙÒØØÐØÔÓÐÖ×ØÓÒÓÒÒÄØÙÜÓÑÔØ ÐØØÒÐ××ÒØÖØÓÒ×××Ù× ÓØÒÙ×ÖÒÓÒÒÙÐÒ×ÐÙÒ×ÚÓ×ØÒÙÐÒ×ÐÙØÖÄÚÓÐØÓÒ<br />

ÉÑÓÒØÖÖÕÙ×ÐÓÒØ×ÙÚÖÈÓÒÖ×ØÙÖÐ×ÝÑØÖÙ×Ý×ØÑ ÑÒÓÒ××ØÙØÓÒ×ÒÓÒÕÙÚÐÒØ×ÒÕÙÓÒÖÒÐ×ÔÖØÙÐ×<br />

ØÈ<br />

<br />

ÒÚÖ×ÖÐÙØÑÔ×ÓÒÚÖÖØ××ÒØÐÐÑÒØÐÑÑÔÝ×ÕÙØÐ ÄÒÚÖÒÔÖÖÒÚÖ×ÑÒØÙØÑÔ×ÓÙÐÐÕÙ×ÐÓÒÔÓÙÚØ ÄÖÒÚÖ×ÑÒØÙØÑÔ×<br />

×ÓØ ν,<br />

×Ý×ØÑÔÓÙÖÐÕÙÐ<br />

×ÖØÒ×ÖÒÐÐÓÖÒÐÄÑÒÕÙÆÛØÓÒ×ØÒÚÖÒØÔÖÖÒ<br />

T<br />

ÓÒ×ÙÒÔÖØÙÐÔÖÓÙÖØÙÒØÖØÓÖr(t)ØØÑÑØÖØÓÖ×Ö ÙÒ×ÓÐÙØÓÒÔÓÙÖÐ×Ý×ØÑÙÑÓÙÚÑÒØÒÚÖ×r TØÔ××ÔÖÐ×ÑÑ× ÔÓÒØ×ÕÙr(t)Ñ××ØÑÔ×−tr T ÐÐ×ÔÜÐÓÖ×ØÙÒÓÒØÓÒÐÚØ××ÆØÙÖÐÐÑÒØØÓÙØÐÓØ ØÖÓÒ×ÖÙÒÚÙÑÖÓ×ÓÔÕÙÖÓÒ×ØÕÙÙÒ×Ý×ØÑÑÖÓ×ÓÔÕÙ<br />

ØÙÖÐÙÑÓÙÚÑÒØÒÖØÓÒÐÕÙÒØØÑÓÙÚÑÒØp×Ø ÚÓÐÙÚÖ×ÙÒÓÒØÓÒÔÐÙ×ÓØÕÙ ÑÒÙÒ×Ý×ØÑÝÒÑÕÙÑÒØÕÙÚÐÒØÐÓÖÒÐÔÓÙÖÐÕÙÐØÓÙØÚ ÒÒ−pÐÑÓÑÒØÒÙÐÖJÒ−JÐÓÙÖÒØÑÓÙÙØÖjÒ ËÐÖÒÚÖ×ÑÒØÙØÑÔ××ØÙÒ×ÝÑØÖÙ×Ý×ØÑ×ÓÒÔÔÐØÓÒ<br />

−jØ ×ÓÒØÒ× ÁÐÙØÓÙØÖÕÙÐÓÖ×ÙÒÒØÖØÓÒÐØØÒØÐØÐØØÒÐ ÆÔÖÐ×ÙØÓÒÙØÐ×ÖÐÒÓØØÓÒA T<br />

→ µ ± +νµ(νµ)ÒÓÒ×ÕÙÒ<br />

ÐØØÙÒÙØÖÒÓÙÖÉÙÚÐÒØ 1 λ = − ν, 1<br />

<br />

λ = − 2<br />

2<br />

ν, λ = −1 2<br />

ÚÖ×ÑÒØÙØÑÔ×ÖÐÐ×ÜÔÖÑÔÖ×ÕÙØÓÒ×Ù×ÓÒÖÒØ <br />

: (t, r) ↦→ (−t, r)<br />

m d2<br />

dt2r(t) = F (r(t)) <br />

r(−t)ØØ×ÝÑØÖÒ×ØÔ×Ú<br />

(t) =<br />

= T(A)


ÔÐÙ×ÓÑÔÐÕÙØÖØÖÕÙÐÙ××ÝÑØÖ×PØCÖÓÒÒÔ×ÕÙÒ<br />

TØØÒØÐ→ØØÒÐ ÄÔÖÓÐÑÐ×ÝÑØÖT×ØÓÒÔØÙÐÐÑÒØØÑØÑØÕÙÑÒØ ØTØØÒÐ→ØØÒØÐ<br />

ØØÓÒ×ÖÚÅØÑØÕÙÑÒØÐ×ÜÔÐÕÙÔÖÐØÕÙÐÓÒÒ×ØÔ× ÙÒÓÔÖØÙÖÐÒÖÖÑØÕÙÍÒ×Ý×ØÑ<br />

ËÐÓÒ×ÙÔÔÓ×HÒÚÖÒØ×ÓÙ×TØÓÒÒÐ×ÒtÓÒÓØÒØ<br />

ÓÒ×ØÖÙÖÙÒÓ×ÖÚÐT<br />

ÈÖÓÒØÖ×ÐÓÒÔÖÒÐÓÒÙÙÓÑÔÐÜ t) ÇÒÓÒ×ØØÕÙÐÓÒØÓÒψ(r, −t)ÒÓØÔ×ÐÑÑÕÙØÓÒÕÙψ(r, ÒØÒÒØÓÑÔØH ∗ ÓÒ H =<br />

Hψ ÇÒÚÓØÕÙψ(r, t)Øψ ∗ −t)Ó××ÒØÐÑÑÕÙØÓÒÄØØØÖÒ×ÓÖÑ<br />

ÐÒ×ØÔ××ÙÖÔÖÒÒØÖÓÒÓ×ÖÚÕÙÐ×ØØ×ÒØÐØÒÐÓÚÒØ<br />

r, ÔÙØÓÒØÖÖØÔÖT(ψ(r, t))<br />

×Ò××ÔÒÖØÖ×ÔÖÙÒÀÑÐØÓÒÒHÓØÐÕÙØÓÒËÖÒÖ<br />

Hψ(r, t) = i ∂<br />

∂t ψ(r, t) <br />

Hψ(r, −t) = −i ∂<br />

∂t ψ(r, −t) <br />

∗ (r, −t) = i ∂<br />

∂t ψ∗ <br />

(r, −t)<br />

= ψ ∗ ØÖÒ×T×ØÙÒÓÔÖØÙÖÒØÙÒØÖÒÒÓØØÓÒÖØÓÒ <br />

(r, −t)<br />

T |ψ〉 = |ψ〉 T<br />

T 〈ψ| = T 〈ψ|<br />

T f <br />

T i = f <br />

T <br />

i = i f = f ∗<br />

i ÚÐÓÒ×ÕÙÒÕÙ|ψ〉 = a|ψ1〉 + b|ψ2〉 ⇒ T |ψ〉 = a∗T |ψ1〉 + b∗ |ψ2〉<br />

Ü×ØÖØÔÖ ÒÖÙÒÕÙÒØØÓÒ×ÖÚ ÙØÖÔÖØÓÒÒÔÙØÔ×ÓÒ×ØÖÙÖÙÒÚØÙÖÔÖÓÔÖTØÓÖØÓÖ<br />

p)×ÔÖÓÔÒØÐÐÓÒÐÜ<br />

T<br />

ÄØØÙÒÔÖØÙÐÕÙÖÚØÙÖ(E, ψ(x,<br />

t) ∝ e i(p·x−Et) ÄÔÔÐØÓÒÙÖÒÚÖ×ÑÒØÙØÑÔ×ÓÒÒ <br />

Tψ(x, t) ∝ e i(−p·x−Et)


ÕÙ×ØÕÙÚÐÒØÐØØÙÒÔÖØÙÐ×ÔÖÓÔÒØ×ÐÓÒÐÜÜ ÉÔÖÓÙÚÞÕÙ <br />

ØÔÖÒÐÓ<br />

ÉÕÙÐÐ×ØÐØÓÒÌ×ÙÖÐÐØÙÒÔÖØÙÐ<br />

<br />

−Sz〉ØØÓÔÖØÓÒ×ØÓÒ Sz〉ÒØÖÒ<br />

ÇÒÔÙØÑÓÒØÖÖÕÙÔÓÙÖÙÒÔÖØÙÐ×ÔÒ ÖØÔÖÐ×ÔÒÙÖ<br />

ÄÓÔÖØÓÒÌÔÔÐÕÙÙÒÔÖØÙÐÒ×ÐØØ×ÔÒ|S, ÙÒÖÒÚÖ×ÑÒØÙ×ÔÒØÑÒÐØØ|S,<br />

(r,ØÐØØØÖÒ×ÓÖÑ×ØÓÒÒÔÖ<br />

Ó <br />

ÄÓÖ×ÙÒÐÙÐÐÑÒØÑØÖÅ××ÓÙÒØÖÒ×ØÓÒ→ÐÒÚ ÖÒÔÖÖÒÚÖ×ÑÒØÙØÑÔ×ÑÒÐÕÙÚÐÒ<br />

σy<br />

×ØÓÒÐØØÚÖ×ÐØØ×ØÒØÕÙÐÐÐØØØÖÒ×ÓÖÑÚÖ× ËÐÖÒÚÖ×ÑÒØÙØÑÔ××ØÙÒ×ÝÑØÖÙ×Ý×ØÑÐÑÔÐØÙØÖÒ <br />

<br />

<br />

T ψ <br />

rψT <br />

(t) = 〈ψ|r|ψ〉(−t) ÑÑÓÒÓØÒØ T ψ <br />

pψT <br />

(t) = −〈ψ|p|ψ〉(−t)<br />

<br />

T ψ <br />

LψT <br />

(t) = −〈ψ|L|ψ〉(−t)<br />

T ψ <br />

SψT <br />

ÕÙÚÐÒØÙÒÖÓØØÓÒ◦ÙØÓÙÖÐÜÝ<br />

(t) = −〈ψ|S|ψ〉(−t)<br />

<br />

T |S, Sz〉 ∝ Ry(π)|S, Sz〉<br />

ψ+<br />

ψ−<br />

<br />

<br />

T ψ+<br />

ψ−<br />

<br />

(r,Ø= −iσy<br />

ψ+<br />

ψ−<br />

<br />

0 −i<br />

=<br />

i 0<br />

〈ψB|M|ψA〉 = ψT ÐØØØÖÒ×ÓÖÑ ×ØÕÙÚÐÒØ<br />

<br />

<br />

A MψT B<br />

A → B B<br />

<br />

(r, −Ø<br />

T → A T


×ÓÒØÖÒØ×ÖÐ×ÔÔ×××ÐÒ×ØÔ×ÐÑÑÔÓÙÖÐ×ÙÜ ÍÒÓÒØ×ØÖÐÒÚÖÒ×ÓÙ×Ì×ØÓÑÔÖÖÐØÙÜÙÒÖØÓÒ ÐÙ×ÓÒÒÚÖ× →Ó=Ò=<br />

ØØ×ÔÖÙÒ×ÔÓ×ØÒ×Ò×ÐÙ×ÔÒÓÒ ÖØÓÒ× Ò×Ð×ÓÐ×ÔÖÓØÐ××ÓÒØÒÓÒÔÓÐÖ××ØÐ×ÔÖÓÙØ×ÖØÓÒ×ÓÒØ<br />

→ ÁÐÙØ×ÓÙÐÒÖÕÙÑÑ×| MAB<br />

ÖÖÒØÐÙÑÐÖØÓÒØÐ×Si×ÓÒØÐ×ÚÐÙÖ×Ù×ÔÒ×ÔÖØÙÐ× ÓpabØpcd×ÓÒØÐ×ÚÐÙÖ×ÐÕÙÒØØÑÓÙÚÑÒØ×ÔÖØÙÐ×Ò×Ð <br />

ØÐ×ÚÐÝÔÓØ×ÒÚÖÒ×ÓÙ×ÌÌÓÙØÓ×ÐÔÖ×ÓÒÜÔÖÑÒØÐ ×ÙÖÒÖØ×ØÒ×ØÕÙÐÓÖÖÙ ×ØÐÔÖÒÔÙÐÒØÐÐÚÓÖÔØÖ Ä×Ö×ÙÐØØ××Ø×Ø×ØÙ××ÙÖ×ÒØÖØÓÒ×ÑØÓÖØ×ÓÒØÓÑÔ<br />

ÓÖÑÖ×qi×ØÙ×ÒriÔÖ ÐØÖÕÙÇÒÒØÐ××ÕÙÑÒØÐÑÓÑÒØÔÓÐÖÐØÖÕÙÙÒ×Ý×ØÑ ÍÒÙØÖØ×ØÒÚÖÒ×ÓÙ×ÌÖÔÓ××ÙÖÐÑ×ÙÖÙÑÓÑÒØÔÓÐÖ<br />

TÐ××ÒÒ×qØrÓÒd×ØÙ××ÒÒËT×ØÙÒ×ÝÑØÖÐ <br />

ÑÓÑÒØÔÓÐÖdÓØØÖÒÙÐÔÐÙ×Ð×ÙÐÚØÙÖÕÙÖØÖ×ÙÒ ÐØÖÕÙ×ÓÒØÔÖÐÐÐ×ÓÒÒØÙØÚÓÒÖØ ÔÖØÙÐÙÖÔÓ××Ø×ÓÒ×ÔÒÇÒ×ØØÒÓÒÕÙ×ÔÒØÑÓÑÒØÔÓÐÖ<br />

d×ØÒÚÖÒØÐÓÖ×ÕÙSÒ×Ò<br />

d = fS ËÓÙ×ÐÓÔÖØÓÒT<br />

ÑØÓ×Ö×ÓÒÒÑÒØÕÙÍÒ×ÑØÓ×ÓÒ××ØÔÓÐÖ×ÖÐ× ÒÙØÖÓÒ×ÔÖÓÙØ×Ò×ÙÒÖØÙÖÔÖÙ×ÓÒ×ÙÖÙÒÖÒÖÑÒØ× ÄÑÓÑÒØÐØÖÕÙÔÓÐÖÙÒÙØÖÓÒÔÙØØÖÑ×ÙÖÔÖÖÒØ×<br />

T : d ↦→ −fS. ÄØÙÖÓØÓÒØÖÒÙÐÓd<br />

ÙÒÖØÓÙÖÒÑÒØ××ÔÒ×ÔÖÔÔÐØÓÒÙÒÊÐÖÕÙÒÕÙØË ×ÙÔÖØÐÐÑÒØÔÓÐÖ×ØÖÚÖ×ÙÒÖÓÒÓ×ÓÒØÔÔÐÕÙ×× ÑÔ×ÐØÖÕÙØÑÒØÕÙÔÖÐÐÐ×ØÙÒÓÖÑ×ÇÒÖØÙÖ<br />

=<br />

ÐØÖÒØÚÑÒØÒÔÖ×ÒØÒÐ×ÒÑÔÐØÖÕÙÓÒÖÙÖ ØØÖÕÙÒÔÖÖÔÔÓÖØÐÚÐÙÖÄÖÑÓÖÄÑ×ÙÖ×ØØÙ ÐÑÓÑÒØÐØÖÕÙ×ØÒÓÒÒÙÐÓÒ×ØØÒØÖÓÙÚÖÙÒÐÖÔÐÑÒØ<br />

<br />

|=| MBA |Ð×ØÙÜÚÒÑÒØ×ØØÒÙ×<br />

(2Sa + 1)(2Sb + 1) p 2 dσab<br />

ab<br />

dΩ = (2Sc + 1)(2Sd + 1) p 2 dσcd<br />

cd<br />

dΩ<br />

d = <br />

i<br />

0<br />

qiri


ÐÑØ×ÙÔÖÙÖÄÑÓÝÒÒ×ÜÔÖÒ×ØÙÐÐ×Ð×ÔÐÙ×ÔÖ××ÓÒÒ ÐÖ×ÕÙ×ÜÔÖÑÒØÐÄÖ×ÙÐØØÓØÒÙ×ØÜÔÖÑ×ÓÙ×ÐÓÖÑÙÒ<br />

ÉÖÖÒ×ÐØÐ×ÔÖØÙÐ×Ð×Ö×ÙÐØØ×ÔÓÙÖÐÐØÖÓÒØÐÔÖÓØÓÒ<br />

< −25ÑÓÒÒÄÚÐÄ<br />

ÎÓÐØÓÒÈØÐ×Ý×ØÑ×ÃÓÒ×ÒÙØÖ×<br />

ØÐÈneutron<br />

ÕÙÐÓÔÖØÓÒÈØØÐÑÒØÙÒÓÒÒ×ÝÑØÖÒ×ÐÒØÖØÓÒÐ ÉÙÒ×ØÐÒ×ÐÒØÖØÓÒÐÂÙ×ÕÙÙÜÒÚÖÓÒ×ÓÒÓÒ×Ö ÕÙÔÔÖ××ØÖÓÒÓÖØÒØÐÚÓÐØÓÒÈØÒØÔÖÙÒÓÒÓÙÖ×ÖÓÒ× È×ØÙÒÖÒÙÖÓÒ×ÖÚÒ×Ð×ÒØÖØÓÒ×ÓÖØØÐØÖÓÑÒØÕÙ<br />

Ð×ÓÈ×ØÑÒ×ØÑÒØÚÓÐ ØÒ×ÓÑÔÒ×ÔÖÐÚÓÐØÓÒÔÙ×ÐÓÖ×ÓÒÓÙÚÖØ×ÔÖÓ××Ù× Ä×Ý×ØÑ×ÃÓÒ×ÒÙØÖ× ÄÑ×ÓÒK 0Ø×ÓÒÒØÔÖØÙÐK 0ÓÒØÐØÖÒØËK0 1ØËK ÒØÖÑ×ØÖÙØÙÖÒÕÙÖ×ÓÒK 0 ØÓÒÐÄ××ÒØÖØÓÒ× ÐØÖÒØ−1ÄÒÓÑÖÕÙÒØÕÙØÖÒØÒ×ØÔ×ÓÒ×ÖÚÒ×ÐÒØÖ<br />

dsÆÐÕÙÖ×<br />

×ÓÒØÓ×ÖÚ×ÐÐ×ÔÙÚÒØØÖÖØ×ÔÖÙÒÖÔÙØÝÔÖÔÖ×ÒØÒ×<br />

= dsØK =<br />

ÐÙÖ Ð×ÙÜÔÓÒ×ÒÙÜÒ×ÐÙÖ×ÖÒØ×ØØ×Ö ÚÐ×ÙÜÕÙÖ×ØÐ×ÙÜÒØÕÙÖ××ÓÖØÒØ×ÓÒÔÙØÓÖÑÖ<br />

0<br />

K K 0 ( )<br />

d (d)<br />

( )<br />

s<br />

s<br />

K 0 (K 0 ) → π + π − Ø<br />

K<br />

+<br />

W (W )<br />

0<br />

0 (K 0 ) → π 0 π 0<br />

−<br />

d (d)<br />

u ( u)<br />

d ( u )<br />

u ( d)<br />

=<br />

0 = −1<br />

π π− +<br />

ou<br />

0 0 π π<br />

ÖÑÑ×ÒØÖØÓÒÙK 0 (K 0 ÐÔÓ××ÐØÙÒÑÒ×ÑØÐÕÙÐÙÖÔÖ×ÒØÐÙÖ 0×ÙÖ <br />

ÁÐ×ØÙÒ<br />

) ÄÓ×ÖÚØÓÒ×ÑÓ××ÒØÖØÓÒÓÑÑÙÒ×ÙK 0ØÐK


0<br />

d u s<br />

+<br />

K W W<br />

s u d<br />

ÐÒØÖÚÒØÓÒÐÒØÖØÓÒÐÙÒØØØÖÒØË−1(+1)×ØÖÒ×ÓÖÑ ÖÑÑÒÐÐÓÑÔÖÒÒØÙÒÓÙÐÒÓ×ÓÒÚØÙÖÏÈÖ ×ÔÓÒØÒÑÒØÒÙÒØØØÖÒØË+1(−1)ØÖÚÖ×ÙÒØØÚÖØÙÐÙÜ<br />

ÖÑÑÓÒÚÖ×ÓÒÙÒK 0ÒÙÒK 0<br />

ÔÓÒ× K 0 ↔ 2π ↔ K 0 ÒÖ×ÓÒÑÒ×ÑÐÓÒØÓÒÓÒÙÒÓÒÙÒÒ×ØÒØÓÒÒ ÔÙØØÖÖÔÖ×ÒØÓÑÑÙÒ×ÙÔÖÔÓ×ØÓÒ|K 0 K<br />

〉 = |ds〉Ø 0 <br />

= ÓÒ×ÖÓÒ××ÓÒ×ÙÖÔÓ×ØÐÙÖÒÚÙÒÖØÕÙÐÔÐÙ××Ð× <br />

ds P |K0 〉 = −|K0 Ø <br />

<br />

〉 PK<br />

0<br />

<br />

<br />

= −K<br />

0 ÙØÖÔÖØÚÐÓÒÚÒØÓÒη=−1ÓÒ <br />

C|K0 <br />

<br />

〉 = −K<br />

0 Ø <br />

<br />

CK<br />

0<br />

ÖÒÒÖÙÜÓÒÐÙ×ÓÒ×ÔÝ×ÕÙ×ÄÓÔÖØÓÒÓÒÓÒØØÈÓÒÒ ÊÑÖÕÙÞÕÙÐÓÜη ÒÖØÐ××Ò××ÓÖÑÙÐ×ÕÙ×ÙÚÒØ×Ò×<br />

CP |K0 <br />

<br />

〉 = K 0 <br />

<br />

ØCP K 0 Ò××ÓÒ×Ð×ØØ×<br />

|K0 1<br />

<br />

1 〉 = √ |K<br />

2<br />

0 <br />

<br />

〉 + K 0<br />

et |K0 2 〉 = 1 <br />

√ |K<br />

2<br />

0 <br />

<br />

〉 − K 0 <br />

<br />

×ÓÒØÖØÖ××ÔÖÂP−×ØÖÕÙ<br />

+<br />

K<br />

0<br />

= −|K0 <br />

〉<br />

= |K0 <br />


ÔÔÐÕÙÓÒ××ØØ×ÐÓÔÖØÙÖÈ<br />

CP |K0 1〉 = CP 1 ÑÑ <br />

√<br />

2<br />

ØÖÓ×ÔÓÒ× ÇÒÓÒÙÜØØ×ÓÖØÓÓÒÙÜÚ×ÚÐÙÖ×ÔÖÓÔÖ×ÈØÖÑÒ× Ò×ÐØØÒÐÐ×ÒØÖØÓÒÒÙÜÔÓÒ×ÓÒÔÙØÒØÖÓÙÖÐ ÓÒ×ÖÓÒ×ÑÒØÒÒØÐ×ÒØÖØÓÒÐÙÓÒÒÙØÖÒÙÜØ<br />

CP<br />

0ÔÖ×ÙØ ÑÓÑÒØÓÖØÐÖÐØÄππÄÓÒØÐÔÓÒØÒØ×Ò××ÔÒÄππ = ÐÓÒ×ÖÚØÓÒÙÑÓÑÒØÒÙÐÖÈÓÙÖÐÚÓÒπ 0 Ó CP(π ÈÓÙÖÐÚÓÒπ + Ó CP(π + π − ×ØÙØÓÒÚÓ×ÒÐÐÖØÔÖÐÙÖ ÓÒÓØÒØÖÓÙÖÙÜÑÓ<br />

π3ÓÒ×ØÒ×ÙÒ <br />

) = +1 Ò×ÐØØÒÐÐ×ÒØÖØÓÒÒØÖÓ×ÔÓÒ×π1, π2,<br />

+ ÑÒØ×ÒÙÐÖ×ÓÖØÙÜÄπ1π2Øℓπ3ØÐ×ÕÙÄπ1π2 ÓÒ×ÖÚØÓÒÙÑÓÑÒØÒÙÐÖÈÓÙÖÐÚÓπ 0 Ò×ØÒÖÕÙÖØÕÙÄπ0 Ó CP<br />

|K 0 1 〉Ø|K 0 2 〉×ÓÒØ×ØØ×ÔÖÓÔÖ×ÈÚÐ×ÚÐÙÖ×ÔÖÓÔÖ×<br />

<br />

|K0 <br />

<br />

〉 + K 0<br />

= 1 <br />

√ CP |K<br />

2<br />

0 <br />

<br />

〉 + CP K 0<br />

= 1<br />

<br />

K 0<br />

√<br />

2<br />

<br />

+ |K0 <br />

〉 = +|K0 1 〉<br />

Ø−1<br />

π0ÓÒÔÖØÕÙ π 0 π 0 π 0ÁÐ×Ò×ÙØÕÙ<br />

CPπ0 1π0 2<br />

CPπ0 3<br />

|K 0 2 〉 = −|K0 2 〉 <br />

P(π 0 π 0 ) = (Pπ) 2 · (−1) Lππ = (−1) 2 (−1) 0 = +1<br />

C(π 0 π 0 ) = (Cπ) 2 = +1<br />

0 π 0 ) = +1 <br />

π −P(π + π − ) = +1<br />

C(π + π − ) = (−1) Lππ = +1<br />

0ÔÖ×ÙØÐ<br />

ℓπ3 =<br />

π0π0Ð×ØØ×ØÕÙÓ× 1π0 3×ÓÒØÔÖ×ÒÖ×ÓÒÐ×ÝÑØÖÙ×Ý×ØÑ<br />

2Øℓ π0 = +1<br />

= −1 (Cπ0 = +1, P<br />

3 π0 = (−1)(−1)<br />

3 ℓπ0 <br />

<br />

3 = −1)<br />

(π0π0π0 ) = −1


ÈÓÙÖÐÚÓπ + π−π0ØÖÙÑÒØ×ÝÑØÖÒ×ØÔ×ÚÐÐÈÖÓÒØÖ ÓÒÔÙØÖÑÖÕÙÖÕÙÐÐÒÒÖØÕÙØØ×ÒØÖØÓÒ×ØÔØØÒ<br />

≃ÅÎÐØØÒÐ×ØÓÒÓÑÒ ÖÖÐÑ×××ÔÖØÙÐ×Éπππ ÔÖÐ×ÓÒ×Äπ + 0 ×ØÙØÓÒÓÑÒÒØÓÒÔÖØÕÙ<br />

= ÓÒÓ×ÔÖÓÑÑÓØπ3 CP(π + π− Ó ÑÔÓÙÖÐ××ÙÜÔÓÒ×<br />

ÒÖ×ÙÑ<br />

) = +1<br />

CP(π<br />

π 0Ò×ØØ<br />

π−Øℓπ CP(π 0 ) = −1 (Cπ0 = +1, Pπ0 = (−1)(−1)ℓπ0 = −1)<br />

+ π − π 0 <br />

) = −1<br />

|K0 1 〉 → π0π0 ÓÙπ + π− |K0 2 〉 → π0π0π0 |K0 2 〉 → π+ π−π0ÓÒÒÔÔÖÓÜ |K0 1 〉 π0π0π0 |K0 1 〉 π+ π−π0ÓÒÒÔÔÖÓÜ |K0 2 〉 π0π0 ÓÙπ + π− <br />

ÙÜØØ×ÓÒ×ÒÙØÖ×ÝÒØ×Ñ×××ÔÖØÕÙÑÒØÒØÕÙ×∼ ÅÎØ×ÙÖ×ÚØÖ×ÖÒØ× ÄØÙÜÔÖÑÒØÐ×ÔÖÓ××Ù××ÒØÖØÓÒÖÚÐÐÜ×ØÒ ÄÙÒÔÔÐKÞÖÓSÓÖØ(K 0 S )ÙÒØÑÔ×Ú(0.8926 ± 0.0012) 10−10 ×Ø××ÒØÖÒÙÜÔÓÒ×<br />

K 0 S → π+ π −<br />

K 0 S → π0 π 0<br />

<br />

Br = 68.61 ± 0.28%<br />

Br = 31.39 ± 0.28%


ÄÙØÖÔÔÐKÞÖÓÄÓÒ(K 0 L )ÙÒØÑÔ×Ú(5.7 ××ÒØÖÒØÖÓ×ÔÓÒ×Ò×ÕÙÒÑÓ××ÑÐÔØÓÒÕÙ×<br />

ÉÔÓÙÖÕÙÓØØÖÒÖÒÒ×ÐØÑÔ×Ú ÄÓÑÔÖ×ÓÒÚÐ×ÖÐ× Ø ×ÙÖÐ××ÓØÓÒ<br />

Óℓ =<br />

ÃÞÖÓÇÒÔÖÓÙØÓÒÒÓÖÑÐÑÒØÔÖÒØÖØÓÒÓÖØÕÙÓÒÒÐ× ÁÐÙØ×ÓÙÐÒÖÐÔÖÓÐÑÓÒÔØÙÐÔÓ×ÔÖÐÒØÓÒÐÔÖØÙÐ ØØ×ÔÖÓÔÖ×ÐØÖÒØÃ0ØK 0ÄÔÖØÙÐ××ÒØÖÔÖÒØÖØÓÒ 1Ø<br />

×ÒØÖØÓÒ ØÖÑÒÓÙÐØØÝÒØÙÒØÑÔ×ÚÒÒ ÒÓÒÑ×ÒÚÒÔÓÙÖÐÔÖÑÖÓ×ÐÜ×ØÒÐÚÓ<br />

ÐÒÓÒÒÒØ×ØØ×ÙÖÚÒØØ×ÔÖÓÔÖ×ÈÃ0<br />

ÐÓÖÖ ÁÐ×ØÙÒ×ÒÐØÖ×ØÒÙÔÙ×ÕÙÐÖÔÔÓÖØÑÖÒÑÒØ×Ø<br />

Ð ÙÒÖÔÔÓÖØÑÖÒÑÒØÙÑÑÓÖÖÖÒÙÖØØÓ×ÖÚØÓÒ ÔÔÓÖØÐÔÖÑÖÔÖÙÚÕÙÈÔÙØØÖÚÓÐÒ×ÙÒÔÖÓ××Ù×ÒØÖØÓÒ<br />

−3ÄÚÓÒÙÜÔÓÒ×ÒÙØÖ×ØÓ×ÖÚÙÐØÖÙÖÑÒØÚ<br />

K<br />

ÐÙ×ÔÓ×ØÐÙÖ Ç×ÖÚØÓÒÐÚÓÐØÓÒÈ<br />

Ö×ÙÖÙÒÐÈÖÑÐ×ÔÖØÙÐ××ÓÒÖ×ÔÖÓÙØ×Ð×Ö× ÔÓÒ×ÓÒ× ×ÓÒØÐÝ×ÔÖÐÑÔÙÒÑÒØÐ×ÔÓØÓÒ×ÔÖÓÚÒÒØ ÍÒ×ÙÔÖÓØÓÒ× Î×Ø ÄÚÓ×ÒØÖØÓÒÃ0 L<br />

×ÒØÖØÓÒπ 0 ØÐÖ×ØÔÖÒÔÐÑÒØ×ÓÒ×ÒÙØÖ× ÉÕÙÐÐ×ØÐÖØÓÒÔÓØÓÒ×ÙØÒÖÐÑÒ<br />

γγ×ÓÒØ×ÓÖ×Ò×ÙÒÖÒÈÑÔ××ÙÖ<br />

ÂÀÖ×ØÒ×ÓÒØÐÈÝ×ÊÚÄØØ <br />

→<br />

e, µ<br />

± 0.04) 10−8×Ø Br = 12.38 ± 0.21% <br />

Br = 21.6 ± 0.8%<br />

K 0 2 = K 0 <br />

L<br />

K0 L → π0π + π −<br />

K0 L → π0π 0 π 0<br />

K0 L → π± + ℓ ± <br />

+ νℓ(νℓ) Br = 65.7 ± 0.6%<br />

K 0 1 = K 0 Ø<br />

2ÈÖÖØÓÒÓÖÖÐ×ØØÙØÖÐØÐØØÚÙÒÓÒØÒÙÒÕÙÖ×<br />

S<br />

Ã0 0 L → π+ π − <br />

→ π + π −ØÓ×ÖÚÔÓÙÖÐÔÖÑÖÓ×


P<br />

Aimant<br />

Cible Pb K 0<br />

S<br />

π −<br />

K 0<br />

ËÑÙ×ÔÓ×ØÑ×ÙÖÐÚÓÐØÓÒÈÚÐ×ÃÓÒ× ÒÙØÖ×<br />

L<br />

ÐÓÐÐÑØÙÖÒØÖÙ×ÔÓ×ØØØÓÒÐÒÖ×ØÔÖØÕÙÑÒØÔÐÙ×ÕÙ<br />

S×ØØÒÙÖÔÑÒØØÐ×ØÒÑÓ××ØÙ ÄÓÑÔÓ×ÒØÃ0 ÐÓÑÔÓ×ÒØÃ0 L ÉÕÙÐÐ×ØÐÖØÓÒK 0 S×ÙÖÚÚÒØÔÖ××Ñ ÄÖÓÒÓÐ××ÒØÖØÓÒ×K 0 L → π+ π−×ÓÒØÖÖ××ØÒÔÖ ÙÒÒÒØÓÒØÒÒØÐÐÙÑÞÙÜÔÓÙÖÑÒÑ×ÖÐ×ÒØÖØÓÒ×K 0 ÚÐÑÐÙÄ×ÙÜÔÓÒ×Ö××ÓÒØØØ×Ò×ÙÜ×Ö×ÑÖ× ×ÔØÖÓÑØÖÑÒØÕÙ×ØÓÑÔÐØÔÖ××ÒØÐÐØÙÖ×ËØÔÖÙÒ ØÒÐÐ×ÒØÖÐ×ÕÙÐÐ××ØÒØÖÐÙÒÑÒØÒÐÝ×ÓÙÐ<br />

ÒÖÕÙÖÒØ Ñ×ÙÖ×ØÒÓÒÒÒØÖÐ×ÙÜÖ×Ä××ÓÙÖ×ÖÙØ×ÓÒØÖÙØ× >Ä<br />

ÕÙÐÑ××ØÚ×ÙÜÔÓÒ××ÓØÓÑÔØÐÚÐÑ××ÙÓÒ ÕÙÐ×ÔÓÒ××ÓÒØÖ×ÓÔÔÓ××<br />

ØØÙÖÖÒÓÚÕÙ×ÐØÓÒÒÐ×ÔÖØÙÐ×Ö×ÖÔ×β<br />

ØÖØÓÖ××ÓØÔÖÓÐÐÒ×Ù ÕÙÐÚÖØÜ×ÒØÖØÓÒÖÓÒ×ØÖÙØÔÖÐÜØÖÔÓÐØÓÒ×ÙÜ<br />

L××ÒØÖÒÙÜ ÄÜÔÖÒÓÒÙØÙÖ×ÙÐØØÑÔÓÖØÒØÕÙÐÃ0 ÔÓÒ×ÚÙÒÖÔÔÓÖØÑÖÒÑÒØÊÃ0 L → π + π− Ö× →ØÓÙ×Ð×ÑÓ× Ã0<br />

L<br />

±·10 −3 ÇÒÔÙØÒÚ×ÖÙÜÑÒ×Ñ×<br />

π +<br />

18 m<br />

E B E<br />

S<br />

K 0<br />

L<br />

C


ÖÔÖ×ÒØÖÔÕÙÑÒØÔÖÐ× 2×ØÙÒ×Ý×ØÑÕÙÔÙØÚÓÐÖÈÓÑÑ ÐÙÖ<br />

SØ 1)<br />

ÙÒÑÒ×ÑÖØÃ0 LÃ0 ÙÒÑÒ×ÑÒÖØÔ××ÒØÔÖÐÑÐÒ×ØØ×Ð×ØØ×Ã0 ØØ×ÖØÖ×ÔÖÙÒÔÖÑØÖǫÔÖÓÖÓÑÔÐÜØØÐÕÙ|ǫ|≪<br />

Ã0 LÒ×ÓÒØÔ××ØØ×ÔÙÖ×Ò|K 0 1〉Ø|K 0 2〉Ñ×ÙÒ×ÙÔÖÔÓ×ØÓÒ×<br />

1)<br />

π<br />

π<br />

K 0<br />

K L<br />

0<br />

0<br />

L<br />

K 1<br />

ÅÒ×Ñ×ÒÚ×Ð×Ð×ÒØÖØÓÒÙK 0 L<br />

|K0 1<br />

S 〉 = <br />

1+ | ǫ | 2 (|K0 1〉 − ǫ|K0 Ø <br />

2〉)<br />

|K0 1<br />

L 〉 = ÄÔÖ×ÒÐÓÑÔÓ×ÒØ|K 0 1〉Ð×ÐÙÖÒ×ÐÑÔÐØÙ ×ÒØÖØÓÒÐØØK 0 LÓÒÒÙÒÔÖÓÐØÓ×ÖÚÖÐÚÓK 0 L → 2π<br />

|ǫ| 2 ÍÒÒÐÝ×ØÐÐÑÓÒØÖÕÙÐÑÒ×Ñ |<br />

ÕÙÐÐÐÚÓÐØÓÒÈÄÚÓÐØÓÒÈ×ØÑÜÑÐØÓÒÚØØÖÓÙÚÐ ÑÒ×Ñ<br />

ÈÒ×ØÔ×ÖÒØÐÒØÖÔÖØØÓÒÔØØØÒ×ØÔ×ÚÒØÇÒ ÓÒØÜØØÓÖÕÙÔÔÖÓÔÖÔÖÑØØÒØÖÖÐÈÖÓÒØÖÐÚÓÐØÓÒ ÄÒØÖÔÖØØÓÒÐÚÓÐØÓÒÈ×ØÙÒÖØÒÓÒÔÐÙ×ÓÑÔÐÜ ×ØÓÑÒÒØÚ| ǫ<br />

ÖÔÖÒÖ×ÙØÔÐÙ×ØÖ ÄØÙ×ÑÓ××ÑÐÔØÓÒÕÙ××ÒØÖØÓÒÙK 0 ÑÒØÐÓ×ÖÚØÓÒÙÒÚÓÐØÓÒÈËÈØØÓÒ×ÖÚÐ×ÚÓ×<br />

LÓÒÙØÐ<br />

K0 L → π−ℓ + νℓØπ + ℓ−νℓ×ÖÒØÕÙÔÖÓÐ×ÜÔÖÑÒØÐÑÒØÓÒÓØÒÙ Γ(π−ℓ + νℓ)−Γ(π + ℓ−νℓ) Γ(π−ℓ + νℓ)+Γ(π + ℓ− Ò××ÔÖÓ××Ù×Ð×<br />

ÔÓ××Ð×ØÒÙÖÓÒ×ÓÐÙÐÔÖÓÙØÓÒÑØÖØÒØÑØÖ<br />

10−3ÒÓÒ×ÕÙÒÐÚÓÐØÓÒÈÐ×ØÓÒ<br />

≃ 3 · νℓ)<br />

<br />

1+ | ǫ | 2 (ǫ|K0 1 〉 + |K0 2 〉) <br />

1 + |ǫ| 2 = |ǫ|2 −3ÔÐÙ×ÙÒÐÓÑÔÓ×ÒØÐÓÖÖ −6××ÓÙ ±<br />

2)<br />

π<br />

π


ÚÑÑÒØ Ö××ÓÖØØØÒÙÑ×Ð×ÔÖÓØÓÒ×Ö×ØÒØ×ÔÖÓØÓÒ××ÙÙÜÕÙÓÒØÒØÖ ÉÙÒÙÒ×ÙÔÖÓØÓÒ×ÔÜÔ××ØÖÚÖ×ÙÒÐÓÑØÖÐÒ ÄÖÒÖØÓÒÙÃ0<br />

ÑÐÒØØ×ÓÒÜǫ LØÖÚÖ×ÙÒÖÒ<br />

S<br />

L×ÓÑÔÓ×Ò SËÐÓÒÒÓÖÐ ÈÖÓÒØÖ×ÐÓÒØÔ××ÖÙÒ×ÙÔÙÖÃ0 ÑØÖÓÒÓ×ÖÚÐ×ÓÖØÐÔÖ×ÒÙÒÓÑÔÓ×ÒØÃ0<br />

ÚÐ×ÒÙÐÓÒ×ÐÑØÖÔÖ×ÚÓÖÔÖÓÙÖÙÙÒÖØÒØÖØÐ×ÙÜ<br />

0ÒØÖ××ÒØÓÒÖÒØÒØÖØÓÒÓÖØ<br />

ÙÒ×ÙÃ0<br />

ÑÓÑÒØÐØØÙ×Ù×ÖÖØÔÖ Ä×ÓÑÔÓ×ÒØ×K 0ØK ÓÑÔÓ×ÒØ××ÓÒØØØÒÙ×ÔÖÙÒØÙÖØÖ×ÔØÚÑÒØØ<<br />

2 (a − b)|K0 S 〉 ÕÙÐÓÑÔÓ×ÒØ <br />

ØÒ×ÐÒØÖØÓÒÓÖØÙØÖÔÖØÐÖØÓÒ<br />

K 0 + n → K − <br />

+ p<br />

Ö×ØÐÓÙÖ× <br />

|K0 L 〉 = |K0 2〉 = 1<br />

<br />

√ |K<br />

2<br />

0 <br />

<br />

〉 − K 0 <br />

|f〉 = 1 <br />

√ a |K<br />

2<br />

0 <br />

<br />

〉 − b K 0 ÍØÐ×ÒØ Ò×ÕÙK 0 <br />

1<br />

S = √ K<br />

2<br />

0 <br />

<br />

> + K 0ÓÒÔÙØÖÖ×ÓÙ×Ð ÓÖÑ |f〉 = 1<br />

2 (a + b)|K0 1<br />

L 〉 + ÇÒÚÓØÕÙ×=ÙÒÓÑÔÓ×ÒØK 0 SÔÔÖØÒ×Ð×ÙÒØÐÑÒØ ÔÙÖÒK 0 ÙÒÔÖØÐÖØÓÒ LÇÒÓ×ÖÚÜÔÖÑÒØÐÑÒØÕÙ< 0×ØÔÐÙ×ÓÖØÑÒØ×ÓÖÕÙÐÓÑÔÓ×ÒØK 0<br />

K<br />

K 0 + p → π + + Λ 0 ÒÔ×ÓÒØÖÔÖØÔÓÙÖÐK 0ÒÓÒ×ÕÙÒÐÓÒ×ÖÚØÓÒÐØÖÒ<br />

×ØÔÐÙ×ÖÕÙÒØÕÙÐÖØÓÒ K 0 + p → K + ÖÐÝÔÐÙ×ÒÙØÖÓÒ×ÕÙÔÖÓØÓÒ×Ò×Ð×ÒÓÝÙÜØÓÑÕÙ×ÒØÖÑ <br />

+ n


ÄÓ×ÐÐØÓÒØÖÒØ ×ÓÒ×ÒÙØÖ×ØÖÒØËÒ×ÓÒØÔÖÓÙØ×Ò×ÙÒÖØÓÒÓÑÑ<br />

π− + p → K0 + Λ0 <br />

S = 0 0 1 −1 0ÚÔÔÖØÖÒ×ÐÒØÐÐÓÒK ÙÓÙÖ×ÙØÑÔ×ÙÒÓÑÔÓ×ÒØK 0<br />

2 2<br />

α(t) et α(t)<br />

1<br />

0.8<br />

0.6<br />

0.4<br />

0.2<br />

K 0<br />

0<br />

− K<br />

∆mτ<br />

=0.5<br />

S<br />

ÊÔÖ×ÒØØÓÒÐÓ×ÐÐØÓÒØÖÒØÒÓÒØÓÒÙØÑÔ×<br />

0<br />

0 2 4 6 8 10 12 t/τ S<br />

ÔÖÐÑÒ×ÑÔÖÑÑÒØÖØÔÐÙ×ÐÓÑÔÓ×ÒØÓÙÖØÙK 0Ú ×ÔÖØÖÔÐÙ×ÖÔÑÒØÕÙ×ÓÑÔÓ×ÒØÐÓÒÙÓÒ×ÖÓÒ×ÒØÐØØ<br />

|K0 〉 = 1<br />

√ (|K<br />

2 0 L 〉 + |K0 S 〉) <br />

Ð×ÒØÖØÓÒ×ÔÓÒØÒÖÒÖØÖÑÓÖÖ×ÔÓÒÐ×ÔÖØÓÒ×<br />

−imxtÓxËÓÖØØÄÓÒÑÙÐØÔÐÔÖÐØØÒÙØÓÒexp(−Γxt/2)Ù Ä×Ý×ØÑÚÓÐÙÒÓÒØÓÒÙØÑÔ×t×ÙÚÒØÐÓ×ÐÐØÓÒexp(−iEt) =<br />

(exp ÓÒ×Ò×Ð×Ù××ÓÙÒØÑÔ×Úτx = ÐØØÖÓÙÚÖÐ×Ý×ØÑÒ×ÐØØΨ(t)×Ø| Ψ(t) | 2ÕÙ×ØÔÖÓÔÓÖØÓÒÒÐ ÇÒÔÓ×ÈÓÙÖÚÓÖÐ×ÑÒ×ÓÒ×Ù×ÙÐÐ××ÖÒÙÖ×ÐÙØÖÐ×Ù×ØØÙØÓÒ exp Γxt)<br />

E → E/, m → m/, Γ → Γ/Ó ≃ 6.582122 · 10−22ÅÎ·× <br />

(Γx) −1ÒØÐÔÖÓ


ÖÚÓÒ×<br />

Ú <br />

|Ψ(t)〉<br />

ÖÚÓÒ×ÐÑÐÒ×ÓÑÔÓ×ÒØ×ØÖÒØËØË−1×ÓÙ×ÐÓÖÑ<br />

ax(t)<br />

Ú<br />

≪ ÙØÑÔ×ØØÐÕÙτS ×Ù××ØÁÒØÖ××ÓÒ×ÒÓÙ×ÔÖÓÒØÖÙÖÑÒ×ÐÖÓÒØÐÓÖÖτS<br />

ÒÙØÐ×ÒØ Ø×Ø ÐÔÖÓÐØØÖÓÙÚÖÙÒØØØÖÒØË ÙØÑÔ× <br />

α(t)<br />

ÙÖ<br />

−1ØØÔÖÓÐØ×ØÓÒÒÔÖÚÓÖ<br />

<br />

|<br />

<br />

Ú∆m =| Ò×Ð×ÐØÖÒØS =<br />

ØÕÙ× ÓÒÒÓÒØÓÒÙØÑÔ×ØØÓ×ÖÚÒÙØÐ×ÒØÐ××ÒØÙÖ×ÖØÖ× ÓÑÔÓÖØÑÒØØÚÖÐÓÖ×ÙÒÔÖÑÖÜÔÖÒØÙÖÓÓ<br />

<br />

ÄÜÔÖÒØÖÔØÔÐÙ×ÙÖ×ÖÔÖ××ÔÙ×ÐÓÖ×ÄÚÐÙÖ∆mØÙÐ<br />

ÚÒÍËÄÔÔÖØÓÒK<br />

×Ø K<br />

∆m = (0.5307 ± 0.0015) · 10 10 s −1 ÅÙÐÐÖØÐÈÝ×ÊÚÄØØ <br />

<br />

= 1<br />

√ 2 (aL(t)|K 0 L 〉 + as(t)|K 0 S 〉) <br />

τLÐÓÑÔÓ×ÒØÓÙÖØ×ÔÖÙØ×ÙÐÐÐÓÒÙ<br />

=ÄË = exp(−imxt) exp(−Γxt/2) x<br />

t <br />

<br />

|Ψ(t)〉 = α(t)|K0 <br />

<br />

〉 + α(t) K 0 <br />

= 1<br />

2 [aS(t) Ø + aL(t)] α(t) = 1<br />

2 [aS(t) <br />

− aL(t)]<br />

α(t) | 2 = 1<br />

4<br />

mS − mL |<br />

| α(t) | 2 = 1<br />

<br />

4<br />

<br />

e −Γ S t + e −Γ L t + 2 cos(∆mt)e<br />

t<br />

−(ΓS+ΓL)· 2<br />

e −ΓSt + e −ΓLt t<br />

−(ΓS+ΓL)·<br />

− 2 cos(∆mt)e 2<br />

0ÒÓÒØÓÒÐ×ØÒÐ×ÓÙÖK 0<br />

0 + p → π + + Λ et π 0 + Σ +


ÖÑØÈÌÄÙÖ×ØÙÑÒÓØÈÙÐÒØÓÖÑ ÄÓÔÖØÓÒ×ÝÑØÖÈÌÔÖ×ÒØÙÒÒØÖØÔÖØÙÐÖÙ×ÙØÓ ÄØÓÖÑÈÌ<br />

ÒÓÒÕÙÒØÓÖÕÙÒØÕÙ×ÑÔ×ÐÒÚÖÒÐÀÑÐØÓÒÒ×ÓÙ×Ð×<br />

ÕÙÚÓÐÈÚÓÐÙ××ÌÔÖÓÑÔÒ×ØÓÒÔÓÙÖ××ÙÖÖÐÒÚÖÒ×ÓÙ×ÈÌ ØÖÒ×ÓÖÑØÓÒ×ÄÓÖÒØÞÑÔÐÕÙÐÒÚÖÒØÀÑÐØÓÒÒ×ÓÙ×ÐÓÔÖ ÈØÌØÙ××ÔÖÑÒØÒÓÒ×ÕÙÒÙÒ×Ý×ØÑÓÙÙÒÒØÖØÓÒ ØÓÒÓÑÒÈÌÑÑ×ØØÒÚÖÒÒ×ØÔ×ÚÖ×ÓÙ×Ð×ÓÔÖØÓÒ× Ò××ÙÑÓÒ×ÙÒ××ÝÑØÖ×ÓÙÌ×ØÚÓÐÑÑ×Ì×Ø ÙÒÓÒÒ×ÝÑØÖÐÓÖ×È×ØÙ××ÓÒ×ÖÚÓÒØÈ×ÓÒØØÓÙØ×ÙÜ ÓÒ×ÖÚ×ÓÙØÓÙØ×ÙÜÚÓÐ× ÈÌ Ü Ü Ü ÔÔÐØÓÒ× ÁÑ ÙÙÒ<br />

ÌÓÒ×ÕÙÒ×ÙØÓÖÑÈÌÄÔÖ×ÒÙÜ×ÒÕÙÐ Ü Ü Ü ÙÙÒ<br />

×ÝÑØÖÒÕÙ×ØÓÒ×ØÚÓÐ<br />

ÏÁ×ÒØβ<br />

ÄØÐÙÑÓÒØÖÐ×ÓÑÒ×ÓÒ×ÔÓ××Ð×Ú×ÔÔÐØÓÒ×<br />

K<br />

Ó×ÖÚÐÓÖÖ×ÔÓÒÒØÓÒÔ×ÚÐÙÖØÚØÙÖÔÖÓÔÖ×ÈÌÔÓÙÖ ÄÓÔÖØÙÖÕÙÒØÕÙO=ÈÌÐÑÑÓÑÔÓÖØÑÒØÕÙÌÓÒÒÔ× ÓÒ×ÖÓÒ×Ð×ÙÒÔÖØÙÐ×ØÒØ×ÓÒÒØÔÖØÙÐØÝÔ<br />

ÐÀÑÐØÓÒÒ×ÓÙ×OÑÔÐÕÙÕÙ Öp×ØÒÚÖ××ÓÙ×PØ×ÓÙ×TÐÓÖ×ÕÙJÒ×ØÒÚÖ×ÕÙÔÖTÄÒÚÖÒ<br />

ØÒÚÖ×ÖÐÕÙÖÚØÙÖ(t, r)<br />

ÈÓÙÖÐÔÖØÙÐÙÖÔÓ×ÀÖÔÖ×ÒØ×Ñ××ØÓÒÒØÖÕÙÐÒØÔÖØÙÐ<br />

<br />

ÐÑÑÑ××ÕÙÐÔÖØÙÐma =<br />

0 L<br />

→ 2π<br />

<br />

:ÈÌ(t, r) = (−t, −r)<br />

O|a, p, J...〉 = η〈a, p, −J, ...|<br />

[H, O] = 0 O −1 ØÔÓÙÖÙÒÑÔÐØÙØÖÒ×ØÓÒÐØØÐØØ <br />

HO = H<br />

〈b|H|a〉 = 〈b|O −1 HO|a〉 = 〈Ob|H|Oa〉 = 〈a|H b <br />

ma


ØØÓÒ×ÕÙÒÔÙØØÖÙØÐ×ÓÑÑØ×ØÐÓÒ×ÖÚØÓÒ×ÓÙ×ÈÌ<br />

ÈÌÐ×ÑÑ×Ø×ÕÙ×ÙÖÐØØÐÔÖØÙÐ×Ò×ÑÔÐÕÙÖÐÒÚÖÒ ÖÓØØÓÒ◦ÙØÓÙÖ×Ü×ÝÓÙÜËÐÓÒÑØÐÒÚÖÒ×ÓÙ×ÐÖÓØØÓÒ ÒØÔÖØÙÐÚÐÔÖÓØÓÒ−JzÇÒÖØÖÓÙÚÐÓÖÒØØÓÒÓÖÒÐÔÖÙÒ ÈÌØÖÒ×ÓÖÑÐÔÖØÙÐÙÖÔÓ×ÚÐÔÖÓØÓÒÙ×ÔÒJzÒ×ÓÒ<br />

ÐÒØÔÖØÙÐÓÒØÐÑÑØÑÔ×Ú ×ÓÙ×Ä×ÝÑØÖÈÌ×ØÓÒÔÖÓÑÒÒØ ÚÐ×ÑÑ×ÖÙÑÒØ×ÕÙ××Ù×ÓÒÔÙØÑÓÒØÖÖÕÙÐÔÖØÙÐØ<br />

ÁÐÒ×ØÑÑÔÓÙÖÐÑÓÑÒØÑÒØÕÙÒ×ÐØÖÑÒØÖØÓÒÑ <br />

maÁÐ×Ò×ÙØÕÙ<br />

Γa =<br />

<br />

Γa<br />

×ÙÖÐÑÙÓÒÚÓÖÔØÖ Ä×ÜÔÖÒ×ÙØÝÔ ÓÒØÔÖÑ×Ø×ØÖÐÒÚÖÒ×ÓÙ×ÈÌÚ<br />

→<br />

ÓÒÓØÒÙ<br />

2)ÙÊÆÔÓÖØÒØ<br />

Øma<br />

ÖÒØ×ØÝÔ×ÜÔÖÒ×ÓÒØØØÙ××ÙÖÐÐØÖÓÒÄÜÔÖÒÐÔÐÙ×<br />

ÙÒØÖ×ÖÒÔÖ×ÓÒÈÖÜÒ×Ð×ÜÔÖÒ×(g<br />

ÔÖ×ÓÒÒÐÖ×ÙÐØØ×ÙÚÒØ<br />

−<br />

(ge + − ge−)/ < ge >= (−0.5 ± 2.1) · 10−12 ÖÒ×ÓÙ×ÈÌÈØÌØÙ×ÚÐ×ÐÔØÓÒ×Ö× ÂÀÐØÐÓÒÒÒØÙÒÓÑÔØÖÒÙÙÒÒ×ÑÐ×Ø×Ø×ÒÚ<br />

×ÔÖØÙÐ××ÓÒØØÖ×ÚÓ×Ò×ÖÒ×ÐÓÖÖÙÔÓÙÖÒØÓÙÑÓÒ× Ä×ÑÐÐ×ÖÓÒ××ÖØÖ×ÒØÒØÖÙØÖÔÖÐØÕÙÐ×Ñ××× Ä×Ó×ÔÒ<br />

ØÒÙØÖ×ØÇÒÑÒÕÙØØÖØÖ×ØÕÙ×ØÐÖØÐ×ØÖÙØÙÖ ÔÖÜÐ×Ñ×ÓÒ×Ö×ØÒÙØÖ×ÐÔÖÓØÓÒØÐÒÙØÖÓÒÐ×ÝÔÖÓÒ×Ö×<br />

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ga<br />

δE = −g q<br />

J · 2mc BÐÓÔÖØÓÒÈÌØÖÒ×ÓÖÑqa → −qa Ja → −J a, B → B<br />

0.00008ÚÓÖÔØÖ<br />

= ga<br />

τ µ +/τ µ − = 1.00002 ±<br />

(g µ + − g µ −)/ < gµ >= (−2.6 ± 1.6) · 10 −8ÚÓÖÈ


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MeV<br />

16.4<br />

15.1<br />

12<br />

B<br />

12<br />

C<br />

12<br />

N<br />

1+<br />

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1<br />

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+<br />

β +<br />

γ<br />

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β −<br />

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ÐÓÖ×ÕÙÐ×ÙÜ×ÔÒ××ÓÒØÐÒ×ËÂ Ä Ë Â ÄÀÑÐØÓÒÒÖÚÒØÐØØÙÜÒÙÐÓÒ× ÕÙÐÓÖ×ÕÙÐ××ÓÒØÒØÔÖÐÐÐ×<br />

ÔÖÒØ×ÑÒÒØÔÖÖÕÙÐÒÜ×ØÔ×ØØÐ1Ë0Ù×Ý×ØÑ|p〉|n〉<br />

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<br />

a)<br />

|×Ô〉|ËÔÒ〉|p〉|p〉ØΨnn = |×Ô〉|ËÔÒ〉|n〉|n〉<br />

1<br />

√ (|p〉|n〉 + |n〉|p〉) b)<br />

2<br />

|p〉 ↔<br />

1<br />

0<br />

<br />

|n〉 ↔<br />

<br />

1<br />

√ (|p〉|n〉 − |n〉|p〉)<br />

2<br />

0<br />

1


ÕÙÐ×Ó×ÔÒÙÖØÓÙÖÒÒ×ÙÒ×ÔÑÒÖÖÓÙ×Ó×ÔÒÍÒ ØÙØÐ×ÖÐ×ÑÑ×ÖÐ×ØÓÙØÐ×ÔÓÙÖÐ××Ó×ÔÒÙÖ×ÕÙÔÓÙÖÐ××ÔÒÙÖ× ÄÖÒ×ØÕÙÐÖÓØØÓÒÙÒ×ÔÒÙÖÐÙÒ×Ð×ÔÔÝ×ÕÙÐÓÖ×<br />

<br />

ÕÙ×ÒÕÙÐÓØÙÒÔÖÓÐØ|a| 2ØÖÙÒÔÖÓØÓÒ| ÒÙØÖÓÒÄ×ÑØÖ×ÈÙÐÖÒÓÑÑ×τiÔÓÙÖÐÓ×ÓÒÔÖÑØØÒØ ÓÒ×ØÖÙÖÐ×ÓÑÔÓ×ÒØ×ÙÚØÙÖÓÔÖØÙÖ×Ó×ÔÒI <br />

b<br />

ÈÓÙÖÖØÖ×ÖÙÒØØ×Ó×ÔÒÓÒÓÒÒI 2ØI3ÐÔÖÓØÓÒØÐÒÙØÖÓÒ ×ÓÒØ×ØØ×ÔÖÓÔÖ××ÙÜÓÔÖØÙÖ×<br />

ÇÒÒØÐ×ÓÔÖØÙÖ× <br />

ÄÓÔÖØÙÖÖÐØÖÕÙ×ØÒÔÖ<br />

I± ÁÐ×ÔÖÑØØÒØØÖÒ×ØÖÒØÖÐ×ØØ×ÑÑÁØÖÒØ×ÚÐÙÖ×Á3<br />

Ä×ØØ×|p〉Ø|n〉Ò×ÓÒØ×ØØ×ÔÖÓÔÖ×ÚÐ×ÚÐÙÖ×ÔÖÓÔÖ× <br />

ÄÐÖ×ØÐÑÑÔÓÙÖÐ×Ó×ÔÒ ÕÙÔÓÙÖÐ×ÔÒ Ä×ÓÑÔÓ×ÒØ× Ø<br />

<br />

×ØÖÒ×ÓÖÑÒØÓÒÓÖÑÑÒØÙÜÖÐ×ÙÖÓÙÔËÍ ×ÒØÓÒÔÝ×ÕÙÓÒ×ÖÓÒ×Ð×ØØ××Ó×ÔÒÙÒ×Ý×ØÑÙÜÒÙ ÓÖÑÒØÙÒÖÔÖ×ÒØØÓÒÓÒÑÒØÐÑÒ×ÓÒ ÄÔÖÓØÓÒØÐÒÙØÖÓÒ<br />

ÐÓÒ×ÓÒÔÙØÓÖÑÖÐ×ØØ× ÇÒ×ÑÒ×ÙØÖ×ÖÔÖ×ÒØØÓÒ××ÓÒØÔÓ××Ð×ØÕÙÐÐÒ×ØÐÙÖ ÙÚØÙÖ×Ó×ÔÒ×Ø×ÓÒØÐÖÐØÓÒÓÑÑÙØØÓÒ[Ii, Ij]<br />

Ð×ÓØÖÔÐØ<br />

√ (|p1n2〉 + |n1p2〉)<br />

2<br />

ØØÕÙÐÓÒÕÙ×ØÖÔÖ×ÒØÔÖ <br />

1<br />

|N〉 = a<br />

0<br />

<br />

0<br />

+ b<br />

1<br />

| 2ØÖÙÒ<br />

I1 = 1<br />

2 τ1 = 1<br />

<br />

0 1<br />

, I2 =<br />

2 1 0<br />

1<br />

2 τ2 = 1<br />

<br />

1 −i<br />

, I3 =<br />

2 i 0<br />

1<br />

2 τ3 = 1<br />

<br />

1 0<br />

2 0 −1<br />

I 2 |p〉 = I(I + 1) 1 I = 2 , I3 = + 1<br />

3<br />

= 2 4 |p〉, I3|p〉 = + 1<br />

2 |p〉 <br />

I 2 |n〉 = I(I + 1) 1 I = 2 , I3 = −1 3<br />

= 2 4 |n〉, I3|n〉 = − 1<br />

2 |n〉<br />

= I1 ± iI2<br />

ÉÐÙÐÖI+|p〉, I+|n〉, I−|p〉, I−|n〉<br />

Q = 1<br />

2 + I3<br />

<br />

ǫijkIkÐÐ×<br />

1 0<br />

=<br />

0 0<br />

= i<br />

|I = 1, I3 = +1〉 = |p1p2〉<br />

|I = 1, I3 = 0〉 = 1 <br />

|I = 1, I3 = −1〉 = |n1n2〉


|I = 0, I3 = 0〉 = 1 Ð×Ó×ÒÙÐØ <br />

Ò×ÔÖØÙÐ×ØØÐ×Ó×ÒÙÐØÒØ×ÝÑØÖÕÙ ×ÖÔÔÓÖØÐ×Ù××ÓÒÔÖÒØÐ×ÝÑØÖÐÔÖØ×Ó×ÔÒÓÖÐÐ<br />

√ (|p1n2〉 − |n1p2〉)<br />

2<br />

ÄÓÒØÓÒÓÒÐÓÐ×ÙÜÒÙÐÓÒ×ÓØØÖÒØ×ÝÑØÖÕÙÔÖÒ ÇÒÔÙØÑÒØÒÒØÒÓÒÖÐÔÖÒÔÜÐÙ×ÓÒÈÙÐÒÖÐ×<br />

ÇÒÒÙÑÖÓØÐ×ÔÖØÙÐ×Ø×ÑÔÐÐÖØÙÖÔÖ|a〉|b〉<br />

×ÙÜÔÖØÙÐ× ÔÖÒ×ÓÓÖÓÒÒ××ÔØÐ×××ÔÒ×Ø×<br />

→<br />

×Ó×ÔÒ×<br />

ÁÐ×Ò×ÙØÕÙ <br />

ÉÚÖÖÕÙÓÒÓØÒØÐ×ÓÒØÓÒ×ÓÒØÙ×ÔÐÙ×ÙØÔÓÙÖÄ<br />

Ψ(x1, S1, I1; x2, S2, I2) = −Ψ(x2, S2, I2; x1, S1, I1)<br />

ÔÒÙ×Ý×ØÑÔÖÒÖÒØ×ÚÐÙÖ××ÔÖ×ÙÒÙÒØ×ØÙ×ÒØÖØ ØÙÖ××Ó×ÔÒÓÑÑÔÓÙÖÐ×ÚØÙÖ×ÑÓÑÒØÒÙÐÖÈÓÙÖÒÙÐÓÒ×Ð×Ó× ÄÒÖÐ×ØÓÒÙÒÒ×ÑÐÒÙÐÓÒ××ØÔÖÓÑÔÓ×ØÓÒ×Ú ÔÓÙÖÔÖØÒØÖ Ø<br />

(−1)<br />

ÙÒØÖÐØÖÓÒÕÙÇÒÔÙØÒÖÐ×ÖÒÙÐÓÒ× ÔÓÙÖÑÔÖ<br />

Q = 1<br />

2 B × + I3 ØÓÒÐÙÖØØÖÙÖÙÒÒÓÑÖÖÝÓÒÕÙ−1ÁÐÒ×ØÑÑÔÓÙÖÐ Ä×ÖÐ×××Ù××ÔÔÐÕÙÒØÙ×ÒØÔÖÓØÓÒ×ØÒØÒÙØÖÓÒ×ÓÒ <br />

Ð×ØØ× 0×ÓÒØØÖÙÙÒÙÜÔÓÒ×Ø×ÐÓÒÒØ ØÖÔÐØÓÑÔÓ×π ±Øπ |I = 1, I3 = +1〉 ↔ |π + 〉<br />

|I = 1, I3 = 0〉 ↔ |π0 〉<br />

|I = 1, I3 = −1〉 ↔ |π− <br />

ÒÙÐÓÒ×ØÔÓÒ× ÇÒ×ÔÓ××ÐÓÖ×ÙÒÓÖÑÐ×ÑÕÙÔÖÑØÖÖÙÒ×Ý×ØÑÑÜØ<br />

ÓÒ×ÖÚØÓÒÐ×Ó×ÔÒ<br />

〉<br />

ÒÚÙØ×ØÖÐÓÖÑÐ×Ñ×ÓÒ×ÐÝÔÓØ×ÕÙÐ×Ó×ÔÒØÓØÐIÙÒ<br />

|ab〉ËÐÓÒ ÐÓÒØÓÒÓÒ×ØÓÒÒÔÖ(−1) I+1Ä×ÓØÖÔÐØ×ØÓÒ×ÝÑØÖÕÙÔÖ<br />

I+S+L <br />

= −1<br />

Ò Ò×Ð×ÙÜÒÙÐÓÒ×ÐÖÐØÖÕÙ×ØÓÒÒÔÖÁ3<br />

×Ý×ØÑÔÖØÙÐ××ØÓÒ×ÖÚÒ×ÐÒØÖØÓÒÓÖØ<br />

[HIF, I] = 0


ÐÀÑÐØÓÒÒÐÓÖ×ÐÕÙØÓÒÔÙØØÖØÒÙÐÀÑÐØÓÒÒØÓØÐ ÈÓÙÖ×ÑÔÐÖÐ×Ù××ÓÒ×ÙÔÔÓ×ÓÒ×ÒÐÐ×Ð×ÔÖØ×ÑØÐ<br />

ÇÒÒÙØÐ×ÖÐ××ÙÚÒØ× <br />

Á3×ØØ×ÑÑÁØÖÒØ×ÚÐÙÖ×Á3×ÓÒØÒÖ× ×ØØ×ÒÖÒÓÒØ×ÚÐÙÖ×ÒØÖÑÒ×Á2Ø<br />

[H, I] = 0<br />

ÒÒÖ Á2ØÁ3×ÓÒØÓÒ×ÖÚ×ÔÒÒØÙÒØÖÒ×ØÓÒ<br />

ÚÓÐØÓÒØÐ×ØØ×ÑÑÁÒ×ÖÒØÔÐÙ×ÒÖ×ÒÁ3ÇÒ ×ÖØÒ×ÙÒ××ÝÑØÖÔÔÖÓ ÓÒÒÓÒ×ÙÒÔÔÐØÓÒÐÖÐ ÆÓØÓÒ×ÕÙÒÔÖ×ÒÙÒÔÖØÙÖØÓÒÑÙ×Ý×ØÑÓÒÙÖØÙÒ Ù×Ý×ØÑÙÜÒÙÐÓÒ×ØÒ××ÓÒ×<br />

ÉÑÓÒØÖÖÕÙ×ØÓÑÔØÐÚ <br />

Ù×Ý×ØÑ<br />

ÒÓÑÒÒØÚÓÒÓØÒØ <br />

ÇÒÓÒÙÒÑÓÝÒÕÙÒØÖÐÖÒÒØÖÐØØ×ÒÙÐØÙØÓÒØ<br />

ÔÓÒÒÙÐÓÒ ÐØØØÖÔÐØ×Ó×ÔÒØØ×ÒÓÒÐ×ÙÒ×Ý×ØÑÙÜÒÙÐÓÒ× ÁÐÐÙ×ØÖÓÒ×ÑÒØÒÒØÐÖÐ ÔÖÐ×ÖÔØÓÒ×ÔÖÓ××Ù×Ù×ÓÒ <br />

π<br />

π − + p → π 0 ÒÖ <br />

+ n<br />

ÙÒÀÑÐØÓÒÒÔÓÙÖÐÒØÖØÓÒÒÙÐÓÒÒÙÐÓÒ<br />

Hint = U + V I1 · I2<br />

I2×ØÐ×Ó×ÔÒØÓØÐ<br />

I1ØI2××ÒØ×ÙÖÐ×ÒÙÐÓÒ×ÒÚÙÐ×ØI = I1 + ÇÒI 2 = (I1 + I2) 2 = I 2 1 + I 2 2 + 2I1 · I2 = 3 3<br />

+<br />

4 4 + 2I1 · I2<br />

<br />

I = 1 → I1 · I2 = +1/4 → Hint = U + V/4<br />

I = 0 → I1 · I2 = −3/4 → Hint = U − 3V/4<br />

± + p → π ± + p Ù×ÓÒÐ×ØÕÙ


ÑÑ×ËÓÒÚØÖ×ØØ×ÔÙÖ××Ó×ÔÒÐÑÔÐØÙØÖÒ×ØÓÒ ÔÓÒÒÙÐÓÒÒ×Ð×ØØ×ÒØÐØÒÐÙÒ×ÔÖÓ××Ù××ÓÒØÐ× ÒÓÒ×ÕÙÒÐÓÒ×ÖÚØÓÒÐ×Ó×ÔÒÐ×ÚÐÙÖ×ÁÁ3Ù×Ý×ØÑ ×ÖØÐÓÖÑ〈Ψ(I ′ ÓÁÁ3×ÖÔÔÓÖØÒØÐØØÒØÐØÁÁ3ÐØØÒÐÔÐÙ×ÐÐÑÒØ ÑØÖM 2I×ØÒÚÖÒØ×ÓÙ×ÐÖÓØØÓÒÒ×Ð×Ô×Ó×ÔÒÓÒÒÔÒ ÒØÁ3ÓM2IÁ℄ ÍØÐ×ÒØÙÒØÐÓÒØ×Ð×ÓÖÒÓÒØÖÓÙÚØÚÑÒØ ÓÒÔÙØÓÖÑÖ××Ý×ØÑ×ÖØÖ××ÔÖÙÒ×Ó×ÔÒØÓØÐ ÚÙÒÔÓÒ×Ó×ÔÒÁØÙÒÒÙÐÓÒ×Ó×ÔÒ ÓÙ<br />

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ÒÙØÐ×ÒØÐØÐÒ×ÐÙØÖÖØÓÒ ÈÓÙÖÐ×ØØ×ÔÐÙ×ÔÖ×ÑÒØÓÒÖÒ×Ò×Ð×ÔÖÓ××Ù×××Ù×ÓÒÓØÒØ <br />

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ÇÒ×ØÓÒÑÒÒÖÙÜÐÑÒØ×ÑØÖ××Ó×Ð×Ó×ÔÒØÓØÐ <br />

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Ø<br />

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Ò×Ð×ÐÙ×ÓÒÐ×ØÕÙπ + Ð×ØÓÒØÖÒ×ØÓÒ×ÖÙØ p×ÙÐÐØØ×Ó×ÔÒØÓØÐ ×ØÓÒÖÒ<br />

ÃÓÒØÒØÐ×ØÙÖ××ÔÔ××ÔÒ Ñ××ÒØÖÔÖØÙÐ×Ö×ÐØÙÖÃ×ØÐÑÑÔÓÙÖÐ×ÖØÓÒ× ËÐÓÒÒÐÐÖÒ ÄÐÑÒØÑØÖÔÓÙÖÐ×Ó×ÔÒØÓØÐÁ×ØÖØÓÒÚÒØÓÒÒÐÐÑÒØM 2I <br />

<br />

3<br />

2<br />

<br />

3<br />

2<br />

<br />

3<br />

2<br />

<br />

1<br />

2<br />

<br />

3<br />

2<br />

<br />

1<br />

2<br />

, I ′ 3)|M|Ψ(I, I3)〉 = δI ′ IδI ′ 3 I3 M2I <br />

<br />

, +3 = |1, 1〉 1 1 + , ≡ |π p〉<br />

2 2 2<br />

<br />

, −3 = |1, −1〉 1<br />

− , −1 ≡ |π n〉<br />

2<br />

2 2<br />

<br />

, +1 = √3<br />

1<br />

|1, 1〉 2<br />

<br />

1 2<br />

, −1 + 2 2 3 |1, 0〉 <br />

1<br />

, +1 ≡ √3<br />

1<br />

|π 2 2<br />

+ n〉 +<br />

<br />

2 , +1 = 2 3 |1, 1〉 <br />

1,<br />

−1 − √3 1 |1, 0〉 2 2<br />

<br />

1<br />

2 , +1 ≡ 2 2<br />

<br />

, −1 = √3 1 |1, −1〉 2<br />

<br />

1 1 2 , + 2 2 3 |1, 0〉 <br />

1,<br />

−1 ≡ √3 1 |π 2 2<br />

−p〉 +<br />

<br />

1 1 1 , −1 = − , + √3 |1, 0〉 <br />

1<br />

2 , −1 ≡ −<br />

Ø M<br />

2<br />

1 = 1<br />

3 |1, −1〉1 2<br />

, I3 2<br />

2<br />

2<br />

2<br />

2<br />

3 |π0 p〉<br />

3 |π+ n〉 − 1 √ |π<br />

3 0p〉 <br />

2<br />

|π + p〉 = 3<br />

, +3<br />

2 2<br />

|π−p〉 = 1 <br />

2<br />

√ 3,<br />

−1 − 1,<br />

−1<br />

2 2 2 2<br />

3 3<br />

|π0 <br />

2<br />

1 <br />

n〉 = 3<br />

, −1 + √31<br />

, −1<br />

2 2 2 2<br />

3<br />

<br />

M1, I3<br />

M 2 3 = <br />

3,<br />

I3<br />

M3 2 2<br />

3 |π0 n〉<br />

3 |π− p〉 + 1 √ 3 |π 0 n〉<br />

, I3<br />

σπ + p→π + p = K | M 3 | 2


ØÈÖÓÒØÖÒ×Ð×ÐÙ×ÓÒÐ×ØÕÙπ − ÓÑÔÓ×ÒØ×Ó×ÔÒØÓØÐ ØÙÒÓÑÔÓ×ÒØ×Ó×ÔÒØÓØÐ pÐÒØÖÚÒØÙÒ ÓÒÓÒ <br />

2 <br />

2 σπ−p→π − <br />

1<br />

p = K<br />

3 M3 + 2<br />

3 M1 ÒØÐØÐØØÒÐ×ÓÒØÖÒØ× ÁÐÒ×ØÑÑÒ×Ð×ÐÒÖÓÐ×ÔÖØÙÐ×ÐØØ<br />

σπ−p→π0n = 〈π0n|M|π− √<br />

2<br />

p〉 = K<br />

3 M3 √<br />

2<br />

−<br />

3 M1 ÇÒÒÙØÐ×ÖÔÔÓÖØ×××ØÓÒ××<br />

σπ + p→π + p : σπ−p→π −p : σπ−p→π0n :=| M 3 | 2 <br />

1<br />

:<br />

3 M3 + 2<br />

3 M1<br />

√ 2<br />

2<br />

:<br />

3 M3 √<br />

2<br />

−<br />

3 M1<br />

ÄÙÖÑÓÒØÖÐ×ÚÐÙÖ×Ñ×ÙÖ×××ØÓÒ××ÔÓÒÔÖÓØÓÒØ <br />

2 ÒÚÖÓÒ ÔÓÒÙØÓÒÒÓÒØÓÒÐÒÖËÐÓÒ×ÔÐÙÒÚÙÙÔÖÑÖÔ Ó×ÖÚ ÑÑÑØØÖÒÖ×ØÐÙÐÒ×ÓÙ×ØÖÝÒØÐ Î Ò×ÐÅÓÒØÖÓÙÚ×ÚÐÙÖ××ØÓÒ×× ×ØÓÒØÓØÐπ −  ÇÒÓÒ×ÖÔÔÓÖØ×Ñ×ÙÖ×ÒÚÖÓÒØØÒÖÐ×ÔÖÓ××Ù× Ø×ÓÒØÓÑÒ×ÔÖÐÓÖÑØÓÒÐØØÖ×ÓÒÒÒØ∆Ñ Á pÒÚÖÓÒÑÐ×ØÓÒÐ×ØÕÙÑ Î ÇÒÔÙØÓÒÑØØÖÒ××ÓÒØÓÒ×ÕÙM 3 ≫ M1 ØÒÐÖÐÓÒØÖÙØÓÒM 1Ò×Ð×ÖÐØÓÒ×ÇÒÓØÒØ ÐÜÔÖÒ ÉØÖØÖÐÑÑÓÒÐ×ÐÙ×ÓÒÒÙÐÓÒÒÙÐÓÒÒÒÐÝ×ÒØ ÐÓÖ××ÖÔÔÓÖØ×ÐÙÐ×ÒÚÖÓÒÒÓÒÓÖÚÐ×Ö×ÙÐØØ×<br />

Ð×ÖØÓÒ× p + p → π + + d, p + n → π0 + d, n + n → π− ÑÓÒØÖÖÕÙÐÖÔÔÓÖØ××ØÓÒ×××ØÖÓ×ÖØÓÒ×××ÙÖÐ ÓÒ×ÖÚØÓÒÐ×Ó×ÔÒ×Ø<br />

d +<br />

ÇÒÒØÔÒ×ÔÖÖÔ×ÙÖÐØÙÐ×ØÖÙØÙÖÒÕÙÖ×× Ä×Ó×ÔÒËÍ ØÐ×ÕÙÖ×<br />

ÕÙÚÙØÁÔÓÙÖÐÔÖØÙÐρÄÕÙÐÐ××ÒØÖØÓÒ×ÓÖØ××ØÒØÖØ<br />

ρ + → π + π0 , ρ− → π−π0 , ρ0 → π−π0 , ρ− → π−π + , ρ0 → π0π0 ÖÓÒ×ÔÖ×ÒØÙÔØÖ×ÙÖÐÑÓÐ×ÕÙÖ×


ËØÓÒ××ØÓØÐ×ØÐ×ØÕÙ×ÔÓÒÒÙÐÓÒØÔÓÒÙØÓÒ<br />

ÒÓÒØÓÒÐÕÙÒØØÑÓÙÚÑÒØÙ×ÙÔÓÒ×ØÐÒÖÒ×<br />

ÐÑ


ÔÓÒ×ÓÒØÙÒÑ××ØÖ×ÚÓ×ÒÄÖÒÑ××Ò×ØÕÙÕÙÐÕÙ× ÕÙÖ×ÙØÕÙ×ÓÒØÐ×ÓÒ×ØØÙÒØ××ÔÖØÙÐ×Ð×ÔÐÙ×ÓÑÑÙÒ×ÔÒ ÇÒÔÙØÖÖÑÓÒØÖÐÖ×ÓÒØÖÙÓÖÑÐ×Ñ×Ó×ÔÒÙØÕÙÐ×<br />

Ò×Ð×ØÖÙØÙÖ×ÖÓÒ×ËÓÒÒÐÐØ×ÒØÖØÓÒ×ÑØÐ ÙÔÓÒØÚÙÐÒØÖØÓÒÓÖØ×ÙÜÕÙÖ×ÓÙÒØÙÒÖÐÒØÕÙ<br />

ÓÖÑÒØÐ×ÐÑÒØ××ÙÒÖÔÖ×ÒØØÓÒÑËÍ ÙÑÜÑÙÑ ÄÒÙÒÕÙÖÙØÙÒÕÙÖÙÒØÐÓÖÖÕÙÐÕÙ×ÔÓÙÖÒØ×<br />

Ö Ò×ÐÓÖÑÐ×Ñ×Ó×ÔÒÔÔÐÕÙÙÜÕÙÖ×ÓÒÓÒ×ÖÕÙÙ ×Ø<br />

Ä×ÒÙÐÓÒ×ØÐ×ÔÓÒ××ÓÒØ×ÖÔÖ×ÒØØÓÒ×ÓØÒÙ×ÔÖÓÑÒ×ÓÒ ÖÕÙ×ÙØÈÓÙÖÐ×ÖÓÒ×ÓÖÑ×ÔÖÙØÖ×ÕÙÖ×ÓÑÑÔÖÜÑÔÐ <br />

Ð×ÓÒ×ÐÙØÓÙØÖ×Ö×ÐÖØ×ÙÔÔÐÑÒØÖ×ÕÙÓÒÙØ<br />

<br />

u<br />

ÙÒÖÔÖ×ÒØØÓÒÖÔÕÙÒØÙØÚÐÐÙ×ØÖÒØÐÓÑÔÓ×ØÓÒÙÜ×Ó×ÔÒ× ÙÜ×Ó×ÔÒ×ÓØÙÜÖÐ×Ù×ÙÐÐ×ØÓÒ××ÔÒ×ÄÙÖ ×ÔÒ×ØØÑØÓÖÔÕÙ×ÖÙØÐÒ×Ð×ÙËÍÒ ÄØÓÒ<br />

ÄÔÔÐØÓÒÐÖÐØÓÒ ÙÜÕÙÖ×ÙØÓÒÒÙÒÖÐ ×Ø ÖÓÙÖÖ×ÖÓÙÔ×ÑÒ×ÓÒ×ÙÔÖÙÖËÍÒÒ><br />

1/3ÕÙÕÙÖ<br />

ÐØ× ËÐÓÒØÓÒÒ<br />

ØÖÕÙ1/6 +<br />

ÕÙÒÙØÐ×ÒØÐÑÒ×ÓÒ×ÖÔÖ×ÒØØÓÒ×ÑÁ ×Ó×ÔÒ−1/2ÇÒÔÙØÓÒ××ÓÖÐÔÖÔÒÙÒ ÓÒÓØÒØÙÒÕÙÖÙÔÐØ ØÙÜÓÙ<br />

ÚÐÙÖB= ÈÓÙÖÐÔÖÓØÓÒ×Ý×ØÑÙÙÁ3ÚÙØ1/2 +<br />

= ÐÓÒÙÖØÓÒÙÓÒÒI3 ÓÙÐØI =<br />

ÇÒÔÙØ××ÓÖÐÙÒ×ÓÙÐØ×Ù×Ý×ØÑÔÒØÐÕÙÖÙÔÐØÙ×Ý×ØÑ ×ÖØÓÖÑÐÐÑÒØ2 ⊗<br />

ÅÎÕÙ×ØÔØØÒÖÖÔÜÐÑ××ÙÔÖÓØÓÒÇÒ<br />

| mu − md | /mp = O(10 −3 ) <br />

Ð×ÝÑØÖÙ↔ÔÔÖØÐÓÖ×ÕÙÓÒÓÑÔÖÐÑ×××ÒÙÐÓÒ×<br />

p = uud , mp = 938 MeV ; n = udd , mn = 940 MeV <br />

ÄÓÒ×ØÙÒÙØÖÜÑÔÐÚÐÕÙÖ×Ò×ÐÖÐ×ÔØØÙÖ<br />

K + = us mK + = 494 MeV K0 = ds mK 0 = 498 MeV <br />

= I = 1<br />

1/2 = 2/3ØÖ×ÔØÚÑÒØ1/6<br />

1/2<br />

2 , I3 = + 1<br />

2<br />

<br />

d = I = 1<br />

2 , I3 = −1 2<br />

−1/3ÒØØÖÙÒØÐ<br />

1/2ÔÓÙÖÐÒÙØÖÓÒ<br />

− 1/2 =<br />

1/2 − 1/2 =<br />

2 ⊗ 2 = (3 ⊕ 1) ⊗ 2 = 4 ⊕ 2 ⊕ 2<br />

△ ++ , △ + , △ 0 , △ −ÓÑÔÓ×××ÕÙÖ×ÙÙÙÙÙÙØÖ×ÔØÚÑÒØ


−1/2<br />

=<br />

+1/2<br />

2<br />

2 2<br />

3 1<br />

4 2<br />

<br />

+<br />

+<br />

ÙÒ×Ó×ÔÒÙÓÑÔÓ×ØÓÒÙÜ×Ó×ÔÒ× ØÙÒ×Ó×ÔÒ ÖÓØÓÑÔÓ×ØÓÒ<br />

I I<br />

3<br />

3<br />

−1 −1/2 0 1/2 1<br />

−3/2 −1 −1/2 0 1/2 1 3/2<br />

Ä×ÖÒØ×ØØ×ÖÙ△ÓÒØ×Ñ×××ØÖ×ÔÖÓ×ÒÚÖÓÒ ÅÎÈÓÙÖ×ØÒÙÖÐÒÙ△ 0ÔÜÐÙØÖÖÜÔÐØÑÒØÐÓÑÔÓ×ØÓÒ ËÍ ØÖÔÐØ×ÔÓÒ×ØÐηÓÑÑÒØÐÔÓ×ØÓÒÙ×ÒÙÐØ ÁËÐÓÒØÓÒÒÙÒÕÙÖØÙÒÒØÕÙÖÓÒÔÙØÓÖÑÖÙÒØÖÔÐØ×Ó×ÔÒ ×ÙÜÖÓÒ×ÕÙ×ÖØÒ×ÐÔØÖ×ÙÖÐÑÓÐ×ÕÙÖ×<br />

ÓÒ×ÖÓÒ×ÑÒØÒÒØÐ×Ý×ØÑÙÓÒÒ××Ð×Ó×ÔÒÒ×ÔÔÐÕÙ ØÙÒ×ÒÙÐØ×Ó×ÔÒÁ Ò×ÐÒØÙÖÓÒØÖÓÙÚØÚÑÒØÐ<br />

ÕÙÙÜÓÑÔÓ×ÒØ×ÙØÐÓÑÔÓ×ÒØ××ØÓÒ×ÖÖÔÖØÒÒÐÙÒØ ÐØÖÒØÐÖÐØÓÒ ÚÒØ<br />

Q = 1<br />

2 (B + S) × + I3 = 1<br />

Y×ØÔÔÐÐhypercharge×ØÐÖÝÒØÖÐÖÙÑÙÐØÔÐØ <br />

Y × + I3<br />

2 Ä×ñÓÒØBØS= ± ÓÒQ = (0 ± 1)/2 ± 1 ÓÒ×ØØÙÒØ×ÓÒ<br />

±1ÈÓÙÖÐ×ÕÙÖ×<br />

= 2<br />

<br />

u<br />

Q =<br />

d<br />

1<br />

<br />

1<br />

+ 0 ±<br />

2 3 1<br />

2 =<br />

<br />

+2/3<br />

, Q(s) =<br />

−1/3<br />

1<br />

<br />

1<br />

− 1 + 0 = −<br />

2 3 1<br />

ÒÓÑÔØÐÒ×ÑÐ××ÚÙÖ×ÕÙÖÙËÅ ÇÒÔÙØ×ÐÓÖ×ÒØÔÖÐÓÖÑÕÙÔÖÒÐÓÔÖØÙÖQÕÙÒÓÒÔÖÒ 3<br />

Q = 1<br />

2 (B + S + Cha. + Bot. + Top.) × + I3, <br />

<br />

avec :<br />

=<br />

2<br />

3<br />

3 2


ChaÖÑ<br />

BotÓØØÓÑÒ××<br />

TopÌÓÔÒ××<br />

ÔÓÙÖÐ×ÔÖØÙÐ×Ò×ÖÒÐ×ÐÙÖÒØÔÖØÙÐÁÐ×ØÓÒÔÖØÙÐ× ÇÒÚÙÕÙÐÓÔÖØÙÖÓÒÙ×ÓÒÖCÒ×ÓÒØÓÒ×ÔÖÓÔÖ×ÕÙ ÙØÖÔÖØÓÒ×ÒØÒØÐÒØÓÒY = ÄÔÖØG<br />

ÒÙØÖ×ÓÑÑÐπ 0 C|π0 〉 = Cπ0|π0 〉 = +1|π0 −ØÚÚÖ× <br />

〉<br />

ÖÓØØÓÒ¦Ò×Ð×Ô×Ó×ÔÒÔÖÜÑÔÐÙØÓÙÖÐÜÝ××Ó<br />

ÈÖÓÒØÖÙÒπ +×ØØÖÒ×ÓÖÑÒπ<br />

Á2ÓÒÙÖØÔÙÓ×ÖÐÜÜ××ÓÁ1<br />

−ÓÒÔÙØØÙÖÙÒ Å×ÐÝÙÒÙØÖÓÒØÖÒ×ÓÖÑÖÙÒπ<br />

ÐÓÔÖØÓÒÔÓÙÖØÒÖÐ×ÒÁ3ÄÔÔÐØÓÒÊ2(π)ÐØØ<br />

+Òπ<br />

0〉 = (−1) I ÉÑÓÒØÖÖ <br />

|I, 0〉<br />

×ØÔÔÐÐÔÖØÓÙÙ××Ð×ÓÔÖØ ÇÒÓØÒØÔÓÙÖÐ×ÔÓÒ×ÒÙØÖ× ÇÒÒØÐÓÔÖØÓÒÓÑÒG =<br />

ÔÓÒ×ÖØÖ×ÓÒÔÖ ÈÓÙÖÐ×ÔÓÒ×Ö×ÓÒÙÒÐÖØÓÜÐÔ×ÕÙÐÓÒÙØÐ× ÓÒÓØÒÖÐÑÑÚÐÙÖÔÖÓÔÖ−1ÕÙÔÓÙÖÐÔÓÒÒÙØÖÄÑÐÐÙ<br />

<br />

<br />

|I1, I3 = 0〉ÓÒÒ<br />

R2(π)|I,<br />

B + S<br />

C|π + 〉 = |π − 〉 <br />

C|π − 〉 = |π + 〉<br />

R2(π) = exp(iπI2) <br />

C R2(π) <br />

G|π 0 〉 = C R2(π)|π 0 〉 = C R2(π)|I = 1, I3 = 0〉 = C(−1) 1 |1, 0〉<br />

= −C|1, 0〉 = −C|π 0 〉 = −|π 0 〉<br />

G|π〉 = Gπ|π〉ÓGπ = −1


ÒÙØÖ×ÓÒ ×ØÙÒÒÓÑÖÕÙÒØÕÙÑÙÐØÔÐØÔÓÙÖÙÒ×Ý×ØÑÆÔÓÒ×Ö×ÓÙ<br />

GN = (−1) N Ò××Ø ÙÒÓÒÒÖÐÐ×Ñ×ÓÒ××Ò×ØÖÒØ×Ò×ÖÑ×Ò×ÓØØÓÑ ×ÓÒØ×ØØ×ÔÖÓÔÖ×ÚÐ×ÚÐÙÖ×ÔÖÓÔÖ× <br />

ÓC0×ØÐÔÖØCÐÐÑÒØÒÙØÖÙÑÙÐØÔÐØ×Ó×ÔÒ ×ØÓÒ×ÖÚÒ×ÐÒØÖØÓÒÓÖØÔÖÓÒØÖ×ØÚÓÐÒ×Ð×Ò <br />

ÜÑÔÐ× ÓÖØρ→ππ×ØÔÖÑ×ÖÐÒ×ÑÐÙÜÔÓÒ×ÙÒÔÖØÔÓ×ØÚ ØÖØÓÒ×ÐØÖÓÑÒØÕÙØÐÁÐÐÙ×ØÖÓÒ×ØØÔÖØÓÒÔÖÕÙÐÕÙ×<br />

ÈÖÓÒØÖÐ×ÒØÖØÓÒÓÖØÙρÒÙÒÒÓÑÖÑÔÖÔÓÒ××ØÒØÖØ<br />

−1ÓÒρ Ä×ÒØÖØÓÒ<br />

ÔÖÓÔÖÚÐ×ÚÐÙÖ×ÔÖÓÔÖ× ÆÓÙ×ÚÓÒ×ÚÙÕÙÐÔÖÖÑÓÒÒØÖÑÓÒÙÒÓÒÙ×ÓÒÖ Ä×Ý×ØÑÒÙÐÓÒÒØÒÙÐÓÒÓÖÑÙÒ×ÓÑÙÐØÔÐØÁÁÐ×ØÓÒÙÒØØ<br />

= ÄÑ×ÓÒρ×ØÖØÖ×ÔÖÁ0<br />

ÒÓÒ×ÕÙÒÐÓÒ×ÖÚØÓÒÐ×Ý×ØÑNNÒ×ÐØØÑÓÑÒØ ÓÖØÐÄ×ÒÒÐÒÙÒÒÓÑÖÑÔÖÔÓÒ××Ë×ÒÙÐØ×ÔÒØ <br />

ÔÖ×ÒØÐÒØÖØÒÖ×ÓÒÐÓÒØÖÒØ×ÐØÓÒÕÙÐÒØÖÓÙØÒ× ÒÙÒÒÓÑÖÔÖÔÓÒ××ËØÖÔÐØ×ÔÒ ÖØÒ×ÔÖÓ××Ù×ÓÙÚÖÒ×ÔÖÐÒØÖØÓÒÓÖØ ÇÒÚÓØÕÙÐÒØÖÙÖ×ÐÑØ××ÓÒÑÔÔÔÐØÓÒÐÓÔÖØÙÖ<br />

×ÖÑÓÒ×ÒØÕÙ×ÓÑÑÐ×ÐØÖÓÒ×ÐØÓÑÄØÓÖÑÕÙ××Ó ÄÔÖÙÖ×ÙÖØÓÖÑ×ØÐÔÖÒÔÜÐÙ×ÓÒÈÙÐÕÙ×ÔÔÐÕÙ ÄØÓÖÑ×ÔÒØ×ØØ×ØÕÙ<br />

Ù×ÐØÐ×Ñ×××ÒØÖÙÜÔÖØÙÐ×ÒÔÙÚÒØÔ××ÔÖÓÔÖÔÐÙ× ×ÔÒØ×ØØ×ØÕÙØÒÓÒÔÖËÛÒÖÒÐ×ÐÝÐÔÖÒÔ ÚØÕÙcÄÖÐ×ØÐ×ÙÚÒØ<br />

Ò×ØÒÐ×ÔÖØÙÐ××ÔÒÑÒØÖÖÑÓÒ×ÐÐÖÑÖ Ð×ÔÖØÙÐ××ÔÒÒØÖÐ×Ó×ÓÒ××ÓÒØ×ÓÙÑ×Ð×ØØ×ØÕÙÓ×<br />

ÁÎÎÓÖÔÖÜÃÓØØÖÎÏ××ÓÔÓÒÔØ×ÓÈÖØÐÈÝ××ÎÓÐÁÁÔÔÒÜ<br />

(−1) L+S<br />

G = (−1) I C0<br />

G = (−1) I+L+S = (−1)(−1) L+S


ÕÙÙÒÒÚÚÒØÒ×ÐÙÒÚÖ×UÒÙÑÖÓØÙÜÔÖØÙÐ×ÚÐ×ØÕÙØØ× ÙÒÔÖÔÖØÙÐ×ÒØÕÙ×ÐÓÖ×ÕÙÓÒÒÐÙÖÖÐÇÒÔÙØÑÒÖ ÄÓÜÐ×ØØ×ØÕÙØÖÑÒÐ×ÝÑØÖÐÓÒØÓÒÓÒÕÙÖØ<br />

Ä×ÓÒØÓÒ×ÓÒÕÙÖÚÒØÐ×Ý×ØÑ Ò×ÐÑÑÓÒÙÖØÓÒÕÙÐÚØÒ×UØÖÔÖÓÕÙÑÒØÔÓÙÖÐ ØØÕÙÐÙ×ÙÐÔÙØÐÖÐ×ØÕÙØØ×ÍÒÔØØÐÖÖÙÒ<br />

′Ð×ÙÜÔÖØÙÐ×ÓÒØØÒ×ÐÜØÑÒØ ÙØÖÙÒÚÖ×U ′Ò×U Ò×U ′ØÒ×U×ÓÒØ ÔÖØÙÐ××ÓÒØ×ÖÑÓÒ× ÑÑ×Ò×Ð×ÙÜÔÖØÙÐ××ÓÒØ×Ó×ÓÒ×Ø×ÒÓÔÔÓ××Ð×ÙÜ<br />

+ΨÔÓÙÖÐ×Ó×ÓÒ× <br />

ÔÖØ×ÓÖÖ×ÔÓÒÒØÙÜÖ×ÐÖØ×ÒØÖÒ××ÔÒ×Ó×ÔÒÓÙÐÙÖ ÄÓÒØÓÒÓÒÙÒ×Ý×ØÑ×ØÓÑÔÓ××ÔÖØ×ÔÐØ× <br />

Ψ → Ò1 ←→<br />

ÔÓ×ØÓÒÒÓÑÖ×ÕÙÒØÕÙ×ÐÔÖØÙÐ×ÙÖÐÔÖØÙÐØÚØÚÖ× ÄÒÙÜÔÖØÙÐ×Ù×Ý×ØÑ×ÒØÖÒ×ÔÓÖØÖÐ×ÒØØÙÖ×<br />

...<br />

χ(×ÔÒ)i t(×Ó×ÔÒ)i<br />

ÓÙÒØÕÙ×ÇÒÓØÒØÐ×ØØ×Ù×Ý×ØÑ×ÙÜÔÖØÙÐ×ÒÓÖÑÒØ ×Ó×ÓÒ×ÓÙ×ÖÑÓÒ×ÔÖÓÖÐÔÙØ×ÖÓ×ÓÒ×ÖÑÓÒ×ÖÒØ× ÔÔÐÓÒ×ψaÐÓÒØÓÒÓÒÕÙÖÔÖ×ÒØÐØØÐÔÖØÙÐaØψbÐ ÓÒØÓÒÓÒÕÙÖÔÖ×ÒØÐØØÐÔÖØÙÐb×ÔÖØÙÐ×ÔÙÚÒØØÖ<br />

ÖÒØ××ØÙÖ×ÐÔÝ×ÕÙÈÓÙÖ×ÜÑÔÐ×ÔÔÐØÓÒ×ÒÔÝ×ÕÙ ÙÔÖÒÔÈÙÐÄ×ÓÒ×ÕÙÒ×ØÓÖÑ×ÓÒØÒÓÑÖÙ××Ò×Ð×<br />

ψbÓÒΨÖÑÓÒ×=0ÇÒ×ØÖÑÒ<br />

Ð×ØØ×ØÕÙÓ××ÙÖÐÑ××ÓÒÔÓÒ×Ò××ÓÐÐ×ÓÒ×ÙØÒÖ ×ÔÖØÙÐ× ÁÐÙØÙ××ÑÒØÓÒÒÖÐ×ØÒØØÚ×ÖÒØ×ÑØØÖÒÚÒÐ×Ø×<br />

= ËÐ×ØÙÜÖÑÓÒ×ÒØÕÙ×ψa<br />

×ÓØÑÓÔÖÐ×ØØ×ØÕÙÓ×<br />

ÖÑÒØØÓÒÖ×ØÖÒØÓÒ×ØØÒÕÙÐ×ØÖÙØÓÒÒÙÐÖÖÐØÚ ÈÓÙÖ×ÔÓÒ×ÒØÕÙ×ÑÑÖÕÙ×ÓÒØÑ×Ò×ÙÒÖÓÒ×<br />

2 :<br />

Ψ → −ΨÔÓÙÖÐ×ÖÑÓÒ×<br />

<br />

ψi = ψ(×Ô)i<br />

Ψ(x1, S1, I1; x2, S2, I2) −→ ±Ψ(x2, S2, I2; x1, S1, I1)<br />

ΨÓ×ÓÒ×= 1 ΨÖÑÓÒ×= 1<br />

Ψ(1, 2) −→ ±Ψ(2, 1)<br />

√ 2 (|ψa〉 1 |ψb〉 2 + (|ψb〉 1 |ψa〉 2 )<br />

√ 2 (|ψa〉 1 |ψb〉 2 − (|ψb〉 1 |ψa〉 2 )


q<br />

q<br />

ÈÖÓÙØÓÒÖÓÒ×ÔÖÖÑÒØØÓÒÒ×ÐÔÖÓ××Ù×e + e− qÄÖÑÒØØÓÒÙÒÔÖÕÙÖÒØÕÙÖ××ÙÙÒÓÐÐ×ÓÒÐØÖÓÒ ÔÓ×ØÖÓÒÒÖ×Ø×ÖÓÒ×ÚÓÖÙÖ ÙØÓÒ×ÒÐ×αÒØÖÐ×ÔÖ×ÔÓÒ×Ö×ÑÑ×ÒØ×Ò×<br />

→<br />

ÓÔÔÓ××ÈÓÙÖÕÙÐØÓÒÒ×ØÓÒÐ×ØØ×ØÕÙÓ××ÓØØÐ ÇÒ×ÒØÖ××Ð×ØÖ<br />

q +<br />

ÐÙÖÓÒØÓÒÓÒ ØÒÓÒÒÙÐÐÓÖ×ÕÙÐ×ÙÜÔÖØÙÐ×ÓÒØÙÒÕÙÒØØÑÓÙÚÑÒØÔÖÓ ÙØÕÙÐ×ÔÖØÙÐ×ÔÖÓÚÒÒÒØÐÑÑ×ÓÙÖÇÒ×ØØÒÓ×ÖÚÖÙÒ ÒÑÓÙÐØÖØÓÒÓÒÔÖ×ÕÙÙÖÔÓ×Ò×ÐÙÖÑÐÖÖÓÙÚÖÑÒØ ÒÔÖØÕÙÓÒÓÒ×ÖÙÒÓÒØÓÒÓÖÖÐØÓÒ<br />

R(p1, p2) = σ(p ÕÙÓÒÔÖÑØÖ×ÔÖÐÓÒØÓÒ 1, p2) σ(p1)σ(p2) R(Q) = 1 + λ exp(−r 2 Q 2 <br />

) ÓQ 2 = (p1 + p2) 2 − 4m2 π = M2 ÐÑÔÓÖØÒÐÓÖÖÐØÓÒ ÙÐ×ÔÖÓ×rÖÔÖ×ÒØÐ×ÑÒ×ÓÒ×ÐÖÓÒ×ÓÙÖÒÒλÑ×ÙÖ<br />

ÔÖÓÚÒÖÓÖÖÐØÓÒ×Ö×ÙÐÐ×Ò×ÐÒØÐÐÓÒÖÖÒÐ×ÚÐÙÖ× ÔÓÒ×Ö×ÑÑ×ÒØ×Ò×ÓÔÔÓ××ÈÓÙÖÐÑÒÖÐ×ÔÓÙÚÒØ Ä×ÙÖ×N±±(Q)/N+−(Q)ÓN±±ØN+−×ÓÒØÐ×ÒÓÑÖ×ÔÖ× Ø ÑÓÒØÖÒØÐÖ×ÙÐØØÜÔÖÒ×ÙÄÈÒ×Ð<br />

ππ − 4m2πÙÒÔØØQ ÖÐÓÔÐÙ×ÐØÙÖÓÖÖÖÔÖ×ÒØ×ÓÖÖØÓÒ×ÔÓÙÖ×Ø×ÓÙÐÓÑ<br />

R±Ò×Ð×ÓÒÒ×ÓÒØØÖÔÔÓÖØ×ÐÐ×ÔÖØ×ÔÖ×ÑÙÐØÓÒÅÓÒØ ÙÖR±(Q)<br />

ÐÓÖÒ×ØÓÑÔØÐÚÙÒÖÖÓÙÔÑÒØÑÔÓÖØÒØ×Ó×ÓÒ×ÒØÕÙ× Ò×ØÔÓÙÖÐÓÒØÑÒØÓÒÒÔÖ×ÑÐÒØ×ÄÙÑÙÐØÓÒÔÖ×<br />

=<br />

ÄÖ×ÙÐØØÐÙ×ØÑÒØÓÒÒr=0.8ÑÔÓÙÖÐÔÖØÐ×ÓÙÖ ÐÒØÖÔÖØØÓÒÐØ×ØÒÓÖÒÖØÒ<br />

ØÔÖÐØÄÔÖÑØÖÓÖÖÐØÓÒλ×ØÐ×ÙÖÙÒÔÐÑÔÓÖØÒØ<br />

α<br />

p<br />

2ÓÖÖ×ÔÓÒ×ÔÖØ<br />

1<br />

p 2


ÊÔÔÓÖØÙÒÓÑÖÔÖ×ÔÓÒ×ÑÑ×ÒØ×Ò× ÓÔÔÓ××ÒÓÒØÓÒÐÚÖÐQ=(M2 ØÚ×ÙÜÔÓÒ×<br />

ππ − 4m2 π )1/2ÓMππ×ØÐÑ××<br />

ÌÐÐÐÖÓÒ×ÓÙÖØÒÓÒØÓÒÙÔÖÑØÖÓÖ<br />

ÖÐØÓÒÓÑÔÖ×ÓÒ×Ö×ÙÐØØ×ÖÒØ×ÜÔÖÒ×ÙÄÈØÔÓÖØÒØ<br />

×ÙÖ×ÔÖ×ÔÓÒ×Ø×ÔÖ×ÓÒ×


ÄÒØÖØÓÒÐØÖÓÑÒØÕÙÑ<br />

ÄÖÔÐÙÖ ÁÒØÖÓÙØÓÒ<br />

ÐÒØÖØÓÒÑÄÔÖÓ××Ù×Ò×ØÔÓ××ÐÕÙ×Ð×ÔÖØÙÐ××ÓÒØÖ× ÓÙ×ÐÐ××ÓÒØÓÑÔÓ××ÔÖØÙÐ×Ö×ÒÕÙÐÓÐÑÒØÒÙØÖ× ÙØÖÄÕÙÒØÙÑÖ×ÔÓÒ×ÐÙÔÖÓ××Ù××ØÙÒÔÓØÓÒ×ØÖÐÕÙÒØÙÑ ÖÔÖ×ÒØÐÙ×ÓÒÑÙÒÔÖØÙÐ×ÙÖÙÒ<br />

ÙÒÖÒÙÐÐÑ×ÙÒÑÓÑÒØÑÒØÕÙÒÓÒÒÙÐ ØÐÒØÖØÓÒÑÚÓÖÐÙÚÐÓÑÔÓ×ÒØÑÒØÕÙÔÜÐÒÙØÖÓÒ Ò×ÖÒÖ×Ð×ÔÖØÙÐ×ÔÙÚÒØÚÓÖÙÒÑÓÑÒØÑÒØÕÙÒÓÒÒÙÐ<br />

temps<br />

c<br />

pc p<br />

d<br />

d<br />

q<br />

"1" "2"<br />

ÆÓÙ×ÚÓÙÐÓÒ×ÐÙÐÖÔÜÐÔÖÓÐØÕÙÐÔÖØÙÐ ÖÑÑÐÙ×ÓÒÑÙÜÔÖØÙÐ×Ö×<br />

pa p<br />

ÕÙÚ<br />

b<br />

a<br />

b<br />

×ÓØÙ×Ò×ÐÒÐ×ÓÐ∆ΩÁÑÒÞÙÒÜÔÖÒÒ×ÐÕÙÐÐ<br />

×ÐØÖÓÒ××ÙÖÐÐÄØØÙÖ×ÐØÖÓÒ××ØÔÐ×ÓÙ×ÐÒÐ ØÐÔÖØÙÐ ÙÖÔÓ×Ò×ÐÖÖÒØÐÙÐÓÖØÓÖÍÒÒ×ÑÐÑÒØ×ÓÐ×ÒØÐ ÐÔÖØÙÐ ÙÒÐØÖÓÒÔÔÖØÒÒØÙÒ×ÙÄ×ÒÓÝÙÜÐ×ÓÒØ ×ØÙÒÒÓÝÙÖÔÔÖØÒÒØÙÒÐÜ<br />

ØÓÙÔÖÐ×ÙÄØÙÜ×ÐØÖÓÒ×Ù××Ò×ÐØØÙÖ×ØÓÒÒ<br />

θÔÖÖÔÔÓÖØÐÜÙ×ÙØÓÙÚÖÐÔÓÖØÓÒÒÐ×ÓÐ∆ΩÄÙÜ<br />

ÔÖ ØÚbÐÙÖÚØ××ËÓØÆÐÒÓÑÖÒÓÝÙÜÓÒØÒÙ×Ò×ÐÔÓÖØÓÒÐÐ ÐØÖÓÒ×ÒÒØ××ØÁbÒbÚbÓÒb×ØÐÒ×Ø×ÔÖØÙÐ×Ò×Ð×Ù<br />

<br />

ÇÒØÐÝÔÓØ×ÕÙÐØØÙÖ×Ø×Ò×ÐØÓÙØÐÑÑ×ÒÖ×<br />

<br />

dσ(θ)<br />

∆W = IbN dΩ , dΩ = sinθ dθ dφ<br />

dΩ<br />

∆Ω<br />

Ódσ(θ)<br />

××Ð×ÐÔÖØÙÐÙ×ÐÒ×Ø×ÓÙÚÒØÔ×Ð×ÖÐÝÙÒ×ÙÐ <br />

dΩ×ØÐ×ØÓÒÖÒØÐÐÙ×ÓÒÑ×ÓÙ×ÐÒÐθ


ÓÑÔØÔÜÙ×ÙÖÙØÓÒÓØÐÓÖ×ÒØÖÓÙÖÙÒÒØÖØÓÒ<br />

Ù×ÙÄØÖÑdσ/dΩÒÐÙØÐØ××ÔÒ××ÔÖØÙÐ×Ø<br />

φ×ØÐ×ÔÓÙÖÙÒ×ÙÒÓÒÔÓÐÖ×ØÔÓÙÖÙÒØØÙÖÒ×Ò×ÐÐ ÔÓÐÖ×ØÓÒ×ÔÖØÙÐ×Ù××ÇÒÙ××ÒØÖ×ÙÖÐ×ÔÖ×ÓÒÒÒÖ ÇÒÙ××Ñ×ÕÙÐØÙÜÖØÓÒÒÔÒÔ×ÐÒÐÞÑÙØÐ<br />

Ò×ØÜÑÔÐÐ×ØÓÒØÓØÐσ×ÖØÓØÒÙÒÒØÖÒØ<br />

×ÙÔÔÐÑÒØÖÙØÝÔ Emax<br />

Ñ2ÓÙÐÙÒ×××ÓÙ×ÑÙÐØÔÐ×ÑµÒ ÚØ×××ÚÓÐÙÑ−1×ÙÖÄÙÒØÙ×ÙÐÐ×ØÐÖÒ σÐÑÒ×ÓÒ<br />

Ä×ÖØÖ×ØÕÙ×ÔÝ×ÕÙ×ÙÔÖÓ××Ù××ÓÒØ××ÒØÐÐÑÒØÓÒØÒÙ×Ò× ÖÑÄØÙÖÒ×ØØØÓÙ×ÔÔ××ØÓÒÒÒ×ÐÒÒÜ Ä×ÔÖØÓÒ×ØÓÖÕÙ×Ð×ØÓÒ×ÓÒØ×××ÙÖÐÖÐÓÖ<br />

×ÙÖÐÒÐ×ÓÐπÈÙ×ÕÙÐØÙÜÏÐÑÒ×ÓÒØÑÔ×−1 −24 ØÑÔ×−1<br />

Ò×ÐÑÐÖØÓÒÓÒÓØÒØ <br />

Stat×ØÙÒØÙÖ×ØØ×ØÕÙÕÙÚÙØ ×Ð×ÙÜÔÖØÙÐ×ÐØØÒÐ ×ÓÒØÒØÕÙ×ÖÒØ×ÇÒÔÔÐp<br />

ÐÑÑÖÓÒ×ÔØÑÔ×ÒØÖÑ×ÕÙ×ÑÒÕÙÕÙÒØÕÙÐÙÖ× ÔÓÙÖÕÙÐÙ×ÓÒØÐÙÐÙØÕÙÐ×ÙÜÔÖØÙÐ××ÓÒØÔÖ×ÒØ×Ò× ×Ò×ÐÒØÖØÓÒÑÇÒÔÙØÚÒÖÐ×ÓÑÔÓ×ÒØ×ÒÙÙÒÔÖØ ÖÓÒ×ÑÒØÒÒØÜÔÐØÖÐÓÖÑM×ÙÖÐ×ÒÓ×ÓÒÒ×<br />

1 ÈÓÙÖÐ×ÙÒÙ×ÓÒÐ×ØÕÙ| p<br />

ÔÓÙÖÕÙÙÒÖØÒÕÙÒØØÕÙÖÑÓÑÒØ×ÓØØÖÒ×Ö×ÓÙ×ÓÖÑÙÒ ÔÓØÓÒÚÖØÙÐÄÜÔÖ××ÓÒMÓØÓÒÓÒØÒÖÙÒÒØÖÐÙÔÖÓÙØ× ÓÙÖÒØ×ÔÖÓÐØÓÚÒØ×ÖÓ×ÖÔÒÒØÙÒØÑÔ××Ù×ÑÑÒØÐÓÒ<br />

ØÓÒØÒØØÝÔÑÙÒØÖÑÔÖÓÔÓÖØÓÒÒÐÐÖÕÙÔÖØÙÐ ÓØØÖÒØÖÓÙØÓÑÑØÙÖÑÙÐØÔÐØÕÙÕÙÖÔÖ×ÒØÖÓÒØÐ ÓÙÖÒØÑ ÙÜÒ×Ø×ÓÙÖÒØÔÖÓÐØM ∝<br />

ÈÓÙÖÖÓÒÒ×ÖÙÒÓÒØÓÒÕØÖÑÒÖÒ×ÐÜÔÖ××ÓÒÐÑ<br />

d 4 <br />

x(jac)f(q)(jbd)<br />

Eseuil<br />

ÐÐÑÒØÑØÖÓÙÑÔÐØÙØÖÒ×ØÓÒM<br />

dσ = 2π<br />

|M|2 d×ÔÔ× ×<br />

dσ<br />

dΩ =<br />

2 c Stat<br />

8π (Ea + Eb) 2<br />

| p2 |<br />

| p1 | × | M |2 <br />

|ØÓÒÔÙØÒØÖÓÙÖ<br />

≡ pa = −pb p2 ≡ pc = −pd 1 |=| p2 Ei = Ea + Eb<br />

ÁÐÖ×ØÒÐÙÖÐÔÓØÓÒÚÖØÙÐÒÖØÖ×ÔÖÐÕÙÖÚØÙÖ<br />

q µ = (pa − pc) µ = (pd − pb) µ <br />

ÔÐØÙÕÙÔÖÒÐÓÖÑ<br />

M = αeacebd<br />

<br />

d 4 xj1j2ÙØÖÔÖØÐÒØÖ


α×ØÙÒØÙÖÕÙÖÔÖ×ÒØÐÓÖÙÓÙÔÐÑi×ÓÒØÐ×Ö×× ÔÖØÙÐ×Ø ÒØÖÙÜÓÙÖÒØ×ÐØÖÕÙ× ÄÖÐØÓÒÔÙØØÖÓÑÔÖÐÜÔÖ××ÓÒÐ××ÕÙÐÒØÖØÓÒ<br />

Ä×ÓÙÖÒØ×acØbd×ÓÒØ×ÚØÙÖ×ØÕÙÒ×ÐÖM×ØÓÒ ÄÜÑÒÐÖÐØÓÒÔÔÐÐÕÙÐÕÙ×ÖÑÖÕÙ×<br />

ÄÜÔÖ××ÓÒM×Ø×ÝÑØÖÕÙÒacØbdØÔÒÐÖ ÙÒÑÔÐØÙÒÚÖÒØÄÓÖÒØÞ ÒÒØÖÚÒØÕÙÒ×Ð×ØÙÖ×ÒÑØÕÙ××ÔÔ× ÔÓÖØÔÖÕÙÔÖØÙÐÍÒÖÒÑ××ÒØÖ×ÔÖØÙÐ×<br />

ÙØ×ÝÑØÖ×ÖÓÙÒØ×ÝÑØÖ×ÖÐÑÔÐØÙ×ÐÓÒÐÒØÙÖ×ÔÖØÙÐ× ËÐ×ÔÖØÙÐ××ÓÒØÒØÕÙ×ÐÙØÖÒØÖÚÒÖ×ÖÑÑ× Ó×ÓÒ×ÓÙÖÑÓÒ× ÖÓ××ÖÓÒÒÔÙØÔ××ØÒÙÖÐ×ØÖØÓÖ×ØÔÐÙ×Ð<br />

×ÙÔÔÓ××ÔÓÒØÙÐÐ×Ø×Ò××ÔÒÔÖÜÑÔÐÓÒÚÒÓÒ×ÕÙ ÄÒØÖØÓÒÑÙÔÖÑÖÓÖÖÔÖØÙÖØÓÒ<br />

ÔÓ×ØØ×ØÙÒÓÒÔÓ×Ø×ÙÔÔÓ×××Ò××ØÖÙØÙÖ Ë×ÔÖØÙÐ×Ô×ÙÓ×ÐÖ××ÔÖÓÔÒØÐÖÑÒØØÚÙÒÒÖ Ø≡ÖÒØ× ×ØÙÒÔÓÒ ÎÓÖÖÓÒ×ÖÓÒ×Ð×ÙÜÔÖØÙÐ×≡<br />

Æ×ØÙÒØÙÖÒÓÖÑÐ×ØÓÒÕÙÐÓÒ×ÙØÒ×ÐÒÒÜ ÓÖÑ×ÑÔÐÙÒÔÓØÒØÐÓ×ÐÐÒØÎØexp(−iωt)ÒÔÖ×ÒÐÒØÖØÓÒ ÈÓÙÖÙÒÒØÖÓÙØÓÒÙ×ÙØÑÒÓÒ×ÐÒØÖØÓÒÑÖÔÖ×ÒØÔÖÐ ×ÓÒØ××ÓÐÙØÓÒ×ÐÕÙØÓÒÃÐÒÓÖÓÒ Ä×ÓÒØÓÒ×<br />

ÐÕÙØÓÒÃÐÒÓÖÓÒÚÒØ (✷ + m 2 ××ÓÐÔÖØÙÖØÓÒÎ×ØÓÒÒÔÖ ÍÒÖ×ÙÐØØÐØÓÖÔÖØÙÖØÓÒ×ØÕÙÙÔÖÑÖÓÖÖÐÑÔÐØÙ <br />

)Ψ = −V (t)Ψ<br />

ËÐÓÒÖÑÔÐÒ× ÓÒ×ÖÕÙÐÔÖØÔÒÒØÙØÑÔ×ÐÒØÖÐÒ× ΨaØΨcÔÖÐÓÒØÓÒÓÒ Ø×ÐÓÒÒ ÚÒØ <br />

V Ψa<br />

Ð×ÔÖØÙÐ××ÓÒØÖØ×ÒÓÖ×ÐÖÓÒÒØÖØÓÒ <br />

ÒÐÙÖÓÒØÓÒÓÒ×ÖØ<br />

Ψi = Ni exp(−ipix) i = a, b, c, d <br />

<br />

d 4 xΨ ∗ c V Ψa ∝<br />

<br />

<br />

M = −i d 4 xΨ ∗ <br />

c<br />

dt exp{i(Ec − ω − Ea)} = 2πδ(Ec − ω − Ea)


ÒØØÕÙÐÓÒÔÔÐÕÙÐÓÒÚÒØÓÒÝÒÑÒÕÙÒØÐÒØÔÖØÙÐ ÒØÚÚÓÖÙÖ ÝÒØÙÒÒÖÔÓ×ØÚÚÙÒÔÖØÙÐÖÑÓÒØÒØÐØÑÔ×ÝÒØÙÒÒÖ ÊÑÖÕÙÞÕÙÐÓÒÓØÒØÙÒÖ×ÙÐØØÒØÕÙ×ÐÓÒÓÒ×ÖÙÒÔÓÒ = Ea+ω ÇÒÓÒÙÒØÖÒ×ÖØÒÖÙÔÓØÒØÐÚÖ×ÐÔÖØÙÐØÐÕÙEc<br />

π<br />

E0<br />

π−<br />

ØØ×ÒØÐØÒÐÓÒÔÖÐ×ÓÙÚÒØØØ×ÒØÖØ×ÓÖØÓÒÒ ÙÒÖ×ÙÐØØÜÔÖÑÒØÓÖÖØÑÒØÐÓÒ×ÖÚØÓÒÐÒÖÜÖ ÑÑÓÒÓØÒØÙÖ ÔÓÙÖÐÖØÓÒÔÖ×ÐÖ×ÙÐØØ<br />

i)ØÐÒ×<br />

<br />

= (Ei, p ÄÒÚÖ×ÓÒ×ÕÙÖÚØÙÖ×pi i) → (−Ei, −p<br />

<br />

d 4 xΨ ∗ π +×ÓÖØV Ψπ +ÒØÖe <br />

= d 4 xe +iEπ +t<br />

ÙÜÔÓÒ×ÐÔÖÖ ÄÒÖωÓÑÑÙÒÕÙÔÖÐÔÓØÒØÐÒØÖØÓÒ×ÖÔÖØØÒØÖÐ× ÆÓÙ×ÔÓÙÚÓÒ×ÑÒØÒÒØØÒÖÐ×ÓÒ×ÖØÓÒ×××Ù×Ù×ÐÒ<br />

−iωt −i(−E<br />

e e π−)t ∝ 2πδ(Eπ + − ω + Eπ−) ØÖØÓÒÑÖØÔÖÙÒÕÙÖÔÓØÒØÐA µËÐÓÒØÙÐÖÑÔÐÑÒØ ÓÙÔÐÑÒÑÐ∂ µ → ∂ µ +ieA µÒ×ÐÕÙØÓÒÃÐÒÓÖÓÒÓÒÓØÒØ<br />

(✷ + m 2 )Ψ = −ie(∂µA µ + A µ ∂µ)Ψ + e 2 (A µ ) 2 ÉÑÓÒØÖÖÐÕÙØÓÒ ÇÒÔÙØØÒØÖÙÒÔÖÑÖÔÔÖÓÜÑØÓÒÒÐ××ÒØ ØÐØÖÑÒ <br />

Ψ<br />

(A µ ) 2ØÒÖÑÔÐÒØÒ×ÐÕÙØÓÒ ÎÔÖ<br />

V = ie(∂µA µ + A µ <br />

∂µ)<br />

<br />

M = −i d 4 xΨ ∗ c [ie(∂µA µ + A µ <br />

<br />

∂µ)] Ψa


ØÙÓÒ×ÐÒØÖØÓÒÕÙÖÑÒ×ÓÒÒÐÐÔÖÔÖØ×ÙÔÖÑÖØÖÑÐ ×ÓÑÑ<br />

ØÑÔ×ÄÑÔÐØÙÚÒØ ÄØÖÑ×ÙÖ×ØÒÙÐ××ØÒÙÐÐÒÒÒ×Ð×ÔØÒ×Ð<br />

<br />

ÔÖØÙÐ×ÐÖ× ÔÖ××Ù×ØØÙØÓÒ×ÓÒØÓÒ×ÓÒΨaØΨcÔÖÐÙÖÜÔÖ××ÓÒÔÓÙÖ× <br />

ÚÐÕÙÖÚØÙÖØÖÒ×ÖØq µÓÒÒÔÖ<br />

ÇÒÒØÐÕÙÖÓÙÖÒØÑÔÖ<br />

×ÔÔÐÕÙÐÓÖ×ÕÙÓÒ×ØÒÔÖ×ÒÒØÖØÓÒÖÔÐÙÖ ×ØÙÒÜØÒ×ÓÒÙÓÒÔØÓÙÖÒØÓÒÒÙÔØÖ ÚÓÖ ÕÙ<br />

<br />

M = e<br />

<br />

−∞ − d 4 x(∂µΨ ∗ c)A µ Ψa<br />

d 4 xjµA µ <br />

<br />

d 4 x e −iqx A µ <br />

q µ = (pa − pc) µ <br />

d 4 xΨ ∗ c∂µA µ Ψa = Ψ ∗ cA µ Ψa| +∞<br />

d 4 x[Ψ ∗ c(∂µΨa) − (∂µΨ ∗ c)Ψa]A µ <br />

= −i<br />

M = −ieNaNc(pa + pc)µ<br />

j µ = ie [Ψ ∗ c(∂ µ Ψa) − (∂ µ Ψ ∗ c)Ψa] <br />

temps c p<br />

3<br />

ÎÖØÜÙ×ÓÒ<br />

V<br />

a<br />

p<br />

×Ù××ÚÑÒØÔÖØ ÇÒÚÙØÖÖÐÚÓÐÙØÓÒÙÓÙÖÒØÐÖÐØÖÕÙØÖÒ×ÔÓÖØ ÐÔÓØÓÒÝÒØÙÒÖÒÙÐÐÈÓÙÖÖÓÒ<br />

1<br />

ÒÐ ÓÒ×ØÖÙØÐÐÑÒØÑØÖÙÓÙÖÒØÑÚÐÙÒØÖÐØØÒØÐØÐØØ<br />

j µ (ÔÓÒ) ≡ 〈c|j emµ <br />

|a〉 = 〈ÔÓÒ(pc)|j<br />

emµ <br />

|ÔÓÒ(pa)〉


ÆÓØÓÒ×ÕÙÐÓÙÖÒØÑ×ØÓÒ×ÖÚÐÖ×ØÐÑÑÕÙÐÐ ∂µj µ ØÙÐ×ÝÒØ×Ö×ÐØÖÕÙ×ÖÒØ×ÔÜÙÒÐØÖÓÒÚÒÒØÙÒ ÇÒÚÖÖÕÙÒ×ÐÒØÖØÓÒÐÐÓÙÖÒØÐÔÙØÑÔÐÕÙÖ×ÔÖ <br />

ÒÙØÖÒÓÐØÖÓÒÕÙ ÙØ ÄÓÖÑÙÓÙÖÒØÒØÐÔÓÙÖ×ØØ×ÖÔÖ×ÒØ×ÔÖ×ÓÒ×ÔÐÒ×× <br />

= 0<br />

<br />

ÁÐÖ×ØÜÔÖÑÖÐÑÔA µÖÔÖÐÙØÖÔÖØÙÐØÒØÖÓÙÖÐÖ ×ÙÜÔÖØÙÐ×ÓÑÑÓÒÐÑÒØÓÒÒÒ ×ÙÐØØÒ× ÓÒÔØ×ÐÐØÖÓÝÒÑÕÙÐ××ÕÙÐÓÙÖÒØÐÙØÖÔÖØÙÐÒÖ ÄÜÔÖ××ÓÒÒÐÓØØÖ×ÝÑØÖÕÙÙÒÚÙ×ÓÙÖÒØ× ÇÒ×Ò×ÔÖÒÓÙÚÙ× ÐÑÔA µ×ÓÙ×ÐÓÒØÖÒØ×ÕÙØÓÒ×ÅÜÛÐÐ<br />

∂µ∂ µ A ν = j ν<br />

ou ✷A ν = j ν ÇÒÓÔØÐÓÒØÓÒÙÄÓÖÒØÞ <br />

∂µA µ ÈÓÙÖÐÜÔÖ××ÓÒÙÓÙÖÒØÒÐÓÒÔÖ×ÝÑØÖÙÒÓÖÑ×ÑÐÖ <br />

ÄÑÓÑÒØØÖÒ×ÖØq×ØØÐÕÙ<br />

= 0<br />

ÇÒÖÑÖÕÙÕÙÐÔÒÒ×ÔØÓØÑÔÓÖÐÐÒ×ÐÜÔÖ××ÓÒÙÓÙÖÒØ ×ØÓÒØÒÙÒ×ÐØÖÑÐÜÔÓÒÒØÐÐØÕÙ✷ exp(iqx) ÇÒÒÙØÕÙÐÔÓØÒØÐA µÕÙ×Ø×Ø ×ØÐÓÖÑ<br />

×ÑÔÐÖÐ×ÒÓØØÓÒ×ÎÓÖÂÂ×ÓÒÐ××ÐÐØÖÓÝÒÑ×ÔÔÒÜÓÒÍÒØ×Ò ÓÙÖÒØÜÔÖÑÒÙÒØ×ÒØÙÖÐÐ×ØÖØÓÒÐ×ÕÙÐÑÒÐπØÔÖÑØ <br />

ÑÒ×ÓÒ× <br />

j µ ac = eNaNc(pa + pc) µ exp{−i(pa − pc)x} = eNaNc(pa + pc) µ exp{−iqx}<br />

j µ<br />

bd = eNbNd(pb + pd) µ exp{i(pd − pb)x} = eNbNd(pb + pd) µ exp{iqx} <br />

q µ = (pd − pb) µ = (pa − pc) µ <br />

A µ = − 1<br />

q2jµ bd<br />

= (−q 2 ) exp(iqx)


Ò×Ù×ØØÙÒØ Ø Ò× ÓÒÓØÒØÔÓÙÖÐÑÔÐØÙ<br />

M = +i<br />

bd = <br />

ÄÒØÖÐÓÒÒÙÒØÙÖ(2π) 4 ÐÕÙÒØØÑÓÙÚÑÒØØÐÒÖÄ×Æi×ÓÒØ×ØÙÖ×ÒÓÖÑÐ×ØÓÒ ×ÜÔÖ××ÓÒ××ÓÖ×ÔÖ×ØÙÖ×ÒÑØÕÙ×ÖØ×Ò×ÐÒÒÜ ÖÐØ×ÙÜÔÖØÙÐ×ÒØÖÒØ×Ø×ÓÖØÒØ×ÈÖÐ×ÙØ×ØÙÖ××ÔÖ××ÒØ<br />

δ(pc+pd−pa−pb)ÕÙÜÔÖÑÐÓÒ×ÖÚØÓÒ<br />

−pb)×ÔÖØÐÑÒØÐÓÒ×ÖÚØÓÒÙÕÙÖÑÓÑÒØ<br />

ØÒØÑÔÐØÑÒØÑ× ÄÖÑÑÝÒÑÒÔÓÙÖÐÑÔÐØÙÙ<br />

ÄÖδ(pc+pd −pa<br />

×ÓÒÑπ +<br />

<br />

d 4 xjacµ<br />

1<br />

q2jµ = ie 2 NaNbNcNd(pa + pc) µ (pb + pd)µ<br />

K + → π + K +<br />

1<br />

q2 <br />

1 p<br />

c<br />

p 1<br />

d<br />

d 4 x e −i(pa−pc)x e i(pd−pb)x<br />

ie ( p a + pc)ν ig<br />

1<br />

1<br />

µν<br />

ie ( p + p<br />

ÖÑÑÝÒÑÒÔÓÙÖÐÙ×ÓÒÙÜÓ×ÓÒ×<br />

b d ) µ<br />

q 2<br />

pa pb<br />

ÄÑÔÐØÙÒÚÖÒØÄÓÖÒØÞÐÙ×ÓÒÑπ + K + → π + K +Ù ÔÖÑÖÓÖÖÒαÑ= e2 /4π×ÖØ×ÓÙ××ÓÖÑÐÝÒÑÒ<br />

−ig<br />

M = (−i)e(pa + pc)µ<br />

µν<br />

q2 <br />

ÑÒÑÒÖÖÔØÙÖÐÑÒØ×ÐÑÒØ×Ò×ÙÒÖÔØÐÕÙÐÙ ÇÒÖÓÒÒØÒ× Ð×ÖÒØ×ÐÑÒØ×ÓÒ×ØØÙØ× ÊÝÒ<br />

(−i)e(pb + pd)ν<br />

ÐÙÖ


Spin<br />

Lignes externes<br />

0<br />

1<br />

1<br />

2<br />

1<br />

Lignes internes<br />

0<br />

1<br />

2<br />

1<br />

1<br />

,<br />

Vertex electrodynamique<br />

0−0<br />

1<br />

Description<br />

,<br />

Representation Facteur<br />

graphique multiplicatif<br />

Boson<br />

Fermion ,<br />

entree (initial)<br />

sortie (final)<br />

Boson<br />

ou<br />

Antifermion<br />

sortie , (initial)<br />

entree (final)<br />

ou<br />

photon inclu<br />

Boson<br />

Fermion<br />

antiboson<br />

antiboson<br />

Boson massif<br />

Photon<br />

Particules ponctuelles<br />

−ie γ µ<br />

−ie p + p , µ<br />

( ) gαβ<br />

− p , αg µ<br />

β − p g<br />

β µ<br />

2 2<br />

ØÚÔ×ÓÒØ××ÔÒÙÖ×ÖÑÓÒØÒØÖÑÓÒeµ×ØÐÕÙÖÚØÙÖ ×ÓÒØÙØÐ××Ò×ÐÓÒ×ØÖÙØÓÒÐÐÑÒØÑØÖMÆÓØÓÒ×ÕÙÙÔ ÊÐ×ÔÓÙÖÐ×ÖÑÑ×ÝÒÑÒÄ×ØÙÖ×ÑÙÐØÔÐØ×<br />

1−1<br />

α<br />

ÔÓÐÖ×ØÓÒÙÒÓ×ÓÒ×ÔÒ<br />

<br />

p ,<br />

p<br />

ou<br />

ou<br />

ou<br />

1<br />

u(p)<br />

−<br />

u(p)<br />

−<br />

v(p)<br />

v(p)<br />

ε µ<br />

ε µ *<br />

2 2<br />

− i /(k −m )<br />

i<br />

i<br />

γ<br />

µ k µ + m<br />

k 2 − m 2<br />

k2 − m 2<br />

− g µν +k µ k ν<br />

i (− g µν / k 2 )<br />

−ie ( p + ,<br />

p ) µ<br />

/m<br />

2


ÙÖ ÄÔÔÐØÓÒÒ×ÐÙÄÓÖÒØÞ×ÖÐ×ÝÒÑÒ×ÙÚÒØ×ÚÓÖ<br />

ØÙÐ ÙÒØÙÖÔÓÙÖØÓÙØÓ×ÓÒÜØÖÒÒØÖÒØÓÙ×ÓÖØÒØØ×ÙÔÔÓ×ÔÓÒ ÔÖÑØÖØÖÓÙÚÖÐÖÐØÓÒ ÓÒÒØÖÓÙØ<br />

ÙÒÔÓØÓÒÒØÖÒ ÙÒØÖÑÔÔÔÓÙÖÕÙÚÖØÜÑÔÐÕÙÒØÔÖØÙÐ××ÔÒØ<br />

ÄÓÖÑ ÔÓÙÖÙØÖ×ÓÜÙÑ×Ð×Ö×ÙÐØØ×ÔÝ×ÕÙ××ÖÒØÐ×ÑÑ×Ä ÄØÙÖÕ2ÔÖÓ×ÔÔÐÐÑ××ÙÖÖÙÔÓØÓÒÚÖØÙÐ×ØÒÓÒÒÙÐ ÙÒÔÖÓÔØÙÖ Õ2ÚÒØÙÓÜÐÙÄÓÖÒØÞØØÓÖÑ×ÖØÖÒØ Õ2ÔÓÙÖÐÔÓØÓÒÙÄÓÖÒØÞ<br />

ØÙÖµνØÐÓÒÒÜÓÒÒØÖÐ×ÙÜÚÖØÜÑ ÄÔÖÓÐØØÖÒ×ØÓÒ×ØÓÒÔÖÓÔÓÖØÓÒÒÐÐ<br />

<br />

2 ËØÓÒÖÒØÐÐπ + ÈÐÓÒ×ÒÓÙ×Ò×ÐÖÖÒØÐÙÑØÒ×ÖÖÒØÐÐÓÖÑÙÐ ÑÐÖØÓÒ ×ÖÙØdσ(i →<br />

ÇÒÖØÖÓÙÚÐÖÐØÓÒ 1Ä×ØÓÒÖÒØÐÐÙ×ÓÒÒ×ÐÑ×ÖØÓÒ<br />

|p2)Ø×ÓÒ<br />

= ÓEi<br />

<br />

×ÐÔÖÓ××Ù××ØÐ×ØÕÙ(|p1| = ÔÓ×c =<br />

ÓÐÐÑÒØÑØÖÙÖÖ×ØÓÒÒÔÖ<br />

<br />

|Mfi| 2 = [(pa + pc)(pb + pd)] 2<br />

e 2<br />

q 2<br />

K + → π + K +Ò×Ð<br />

f) = 1<br />

|Mfi|<br />

4|p|Ei<br />

2 EbÍØÐ×ÒØÔÓÙÖÐÄÔ×ÓÒÓØÒØ<br />

dLips(pa + pb, {pj})<br />

Ea +<br />

1<br />

dσ(i → f) = | Mfi |<br />

4 | p | Ei<br />

2 1<br />

(4π) 2<br />

| p |<br />

dΩ =<br />

Ei<br />

| Mfi | 2<br />

dΩ<br />

(8πEi) 2<br />

dσ<br />

dΩ<br />

(Ñ)= |Mfi| 2<br />

(8πEi) 2


ÃÒÑØ× ÇÒÒØÓÑÑÙÒÑÒØÐ×ÖÒÙÖ×ÒÚÖÒØ×ÚÓÖÐØÐÈ×ÓÙ× ËØÓÒÖÒØÐÐ×ÓÙ×ÓÖÑÒÚÖÒØ<br />

ÎÖÐ×ÅÒÐ×ØÑ<br />

<br />

ÒØÖÑ×ÚÖÐ×Ð×ØÓÒÖÒØÐÐ×ÖØ<br />

ÕÙÐÓÒÔÙØÚÐÓÔÔÖÒ <br />

<br />

ÇÒÔÙØÙ××ÜÔÖÑÖ|M| 2ÒÓÒØÓÒ×ØÙÇÒØÖÓÙÚÔÖØÖ <br />

<br />

<br />

<br />

2<br />

dσ<br />

dt<br />

s = (pa + pb) 2 = (pc + pd) 2<br />

t = (pa − pc) 2 = (pb − pd) 2<br />

u = (pa − pd) 2 = (pb − pc) 2<br />

s + t + u = m 2 a + m 2 b + m 2 c + m 2 d<br />

= 1<br />

64π<br />

dσ 1<br />

=<br />

dt 16π<br />

|M| 2 = e 4<br />

|M| 2<br />

(papb) 2 − (mamb) 2<br />

|M| 2<br />

[s − (ma + mb) 2 ][s − (ma − mb) 2 ]<br />

s − u<br />

t<br />

2<br />

= (4παem) 2<br />

<br />

s − u<br />

t


ÓÖÑÙÐÊÙØÖÓÖ<br />

mbÓÒØÖÓÙÚÐ<br />

≪ mbØ|p ÉÑÓÒØÖÖÕÙÒ×ÐÔÔÖÓÜÑØÓÒma b |≪<br />

<br />

dσ<br />

=<br />

dΩ Rutherford<br />

1 α<br />

4<br />

2<br />

| pa | 2<br />

1<br />

sin 4 <br />

(θ/2) ÑÔÐØÙ×Ù×ÓÒÑπ + π + → π + π + Øπ + π− → π + π− ÔÖÒÖÒÓÑÔØÐÖÔÒ×ÐÕÙÐÐ×ÙÜÔÖØÙÐ×ÒÐ××ÓÒØÒ× Ò×ÙÜÔÖØÙÐ×Ò×ÐÐÒ×ÖÔ×ÝÒÑÒÓÒÓØ ÚÓÖÙÖ Ò×Ð×ÙÜÓ×ÓÒ×ÒØÕÙ×ÐÑÔÐØÙÓØØÖ×ÝÑØÖÕÙÔÖ<br />

p<br />

c<br />

p d<br />

q<br />

p p<br />

a b<br />

,<br />

q<br />

p<br />

a p<br />

b ÖÑÑÒÔÓÙÖÐÙ×ÓÒπ + π + ÄÑÔÐØÙÙ×ÓÒ×ÖØ<br />

M(π + π + ) = (−i) 3 e 2<br />

<br />

(pa + pc)µ(pb + pd) µ<br />

(pb − pd) 2 + (pa + pd)µ(pb + pc) µ<br />

(pb − pc) 2 ÇÒÔÙØÙØÐ×ÖÖ×ÙÐØØÔÓÙÖÖÖÐÑÔÐØÙÙ×ÓÒπ + π− → π + π− Äπ −ØÒØÔÖ×ÓÑÑÐÒØÔÖØÙÐÓÒÐÙÔÔÐÕÙÐÖÐÐÒÚÖ×ÓÒÙ ×Ò×ÚØÙÖ× ÚØÙÖÙÖ ÇÒÒÐØØÒØÖÒØØÐØØ×ÓÖØÒØØÓÒØÙÙÒÒÑÒØ<br />

M(π + π − ) [pa, pb; pc, pd] ≡ M(π + π + <br />

) [pa, −pd; pc, −pb]<br />

p d<br />

p c


p a<br />

p c<br />

ÕÙÓÒÒ<br />

M(π + π − ) = (−i) 3 e 2<br />

p b<br />

p d<br />

π+ π − π + π +<br />

ÖÑÑÒÔÓÙÖÐÙ×ÓÒπ + π− .<br />

<br />

(pa + pc)µ(−pd − pb) µ<br />

(−pd + pb) 2<br />

+ (pa − pb)µ(−pd + pc) µ<br />

(−pd − pc) 2 <br />

<br />

=<br />

= (−i) 3 e 2<br />

<br />

−(pa + pc)µ(pd + pb) µ<br />

(pb − pd) 2 + (pa − pb)µ(−pd + pc) µ<br />

(pa + pb) 2<br />

<br />

ÇÒÖÓÒÒØÒ×ÐÔÖÑÖØÖÑÐÑÔÐØÙÓØÒÙÔÓÙÖπ + K +ÓÖÑ×ÙÒ ÙÖ ÒÑÒØ×ÒÐÔÖ×ÒÙÒÖÒØÚÄÙÜÑØÖÑ ÓÖÖ×ÔÓÒÙÒÔÖÓ××Ù×ÒÒÐØÓÒÓÑÑÖÔÖ×ÒØÔÖÐÖÔÐ<br />

p d<br />

p c<br />

p a p b<br />

π π<br />

p b<br />

p a<br />

ÖÑÑÒÒÐØÓÒπ + π − → γ ∗ → π + π −<br />

<br />

p a<br />

p c<br />

p d<br />

p b


Ä×ÓÐÙØÓÒ×ÕÙØÓÒ×ÅÜÛÐÐÔÓÙÖÐÑÔEÐÓÒÑÐÖ× ÈÓØÓÒ×ÖÐ×ØÑ×××<br />

ÔÓÐÖ×ØÓÒÐÓÒ ÍÒÓÖÑÒÐÓÙÔÙØØÖÔÖ×ÔÓÙÖÐÑÔBÓÖØÓÓÒÐEØÐÜ ÔÖÓÔØÓÒÄÚØÙÖÙÒØeÓÒ×ØØÙÐ×Ò×ÐÕÙÐÐÓÒÜÔÖÑÐ ÙÖÙÒÔ×δÒØÖÐ×ÙÜÔÖÓØÓÒ×ÈÓÙÖÐÑÔÔÝ×ÕÙÓÒÔÖÒ Ä×ÑÔÐØÙ×E1ØE2×ÓÒØ×ÕÙÒØØ×ÓÑÔÐÜ×ÕÙÔÖÑØÒØÖÓ<br />

ÐÐ×Ø◦ÐÔÓÐÖ×ØÓÒ×ØÖÙÐÖÄÑÔÔÝ×ÕÙØÓÙÖÒÙØÓÙÖ ÐÔ×Ò×ØÔ×ÒÙÐÐÓÒÔÖÐÔÓÐÖ×ØÓÒÐÐÔØÕÙÒÔÖØÙÐÖ×<br />

0ÓÒÙÒÔÓÐÖ×ØÓÒÐÒÖÐÑÔ<br />

ÐÜzØÙÜÔÓÐÖ×ØÓÒ×ÖÙÐÖ×ÙØÖÓØ×ÓÒØÔÓ××Ð×<br />

ÐÔÖØÖÐÐÐ×ÓÐÙØÓÒËδ = Ó×ÐÐÒ×ÙÒÔÐÒÕÙØÙÒÒÐθ= tan<br />

ÓÖÑ×ÙÜÚØÙÖ×ÓÑÔÐÜ×ÓÖØÓÓÒÙÜ ÐÒÖ×ÓÖØÓÓÒÐ××ÐÓÒexØeyÇÒÔÙØÐØÖÒØÚÑÒØÒÖÙÒ× Ò×ÐÔÓÐÖ×ØÓÒÐÓÒ×ØÖØÐ×ÙÜÓÑÔÓ×ÒØ× ÇÒÔÖÐÐØ×ÔÓ×ØÚØÒØÚλ =<br />

e± = 1 Ä×ÓÐÙØÓÒÚÒØ <br />

√ (ex ± iey) ˆz ÕÙÐÓÒÓÑÔÐØÔÖÐÖØÓÒe0<br />

ÔÓÐÖ×ØÓÒ×ÖÙÐÖ×ÐØ×ÓÔÔÓ××Ò×ØØ×ÐÓÒÔÓÐÖ×Ö ÐÖÚÒØÜÔÖÑÖÐØØÔÓÐÖ×ØÓÒÓÑÑÙÒ×ÙÔÖÔÓ×ØÓÒÙÜ<br />

2<br />

ÓÑÔÓ×ÒØ× ÇÒ××ÓÒÖÐÑÒØÐÑÔÙÔÓØÓÒÙÔÓØÒØÐAÒ×ÐÙ<br />

+1Ð×ÓÑÔÓ×ÒØ× 0×ØÐÓÖÑ −1Ð× ÙÐÖÑÒØÚλ = ØÐÐÚλ =<br />

<br />

ÓÙÐÓÑÐ×ÓÐÙØÓÒÐÕÙØÓÒÔÖÓÔØÓÒ✷A =<br />

ÔÖÓÔÒØ×ÐÓÒÐÜÞÔÙØØÖÖØ<br />

E(t, z) = (exE1 + eyE2) exp(ikz − iωt) <br />

ÔÓÙÖÐÑÔÖÐ E(t, z) = E(ex ± iey) exp(ikz − iωt) <br />

Ex = E cos(kz − ωt) Ey = ∓E sin(kz − ωt)<br />

−1 (E2/E1)ÔÖÖÔÔÓÖØÐÜÜË<br />

±1<br />

<br />

=<br />

E(t, z) = (e+E+ + e−E−) exp(ikz − iwt)<br />

<br />

A = eN exp(ik · r − iωt)


Ò×ÐÖØÓÒkØÐÐÕÙ ÄÖÐØÓÒÖÔÖ×ÒØÙÒÓÒÔÓØÓÒÔÓÐÖ×ØÓÒe×ÔÖÓÔÒØ<br />

ÓÙ×ÙÖÙÒ×ÔÓÐÖ×ØÓÒ×ÖÙÐÖ× ÔÙÚÒØØÖÒ××ÙÖÙÒ×ÔÓÐÖ×ØÓÒ×ÐÒÖ×ÓÑÑÒ× ÓÒÚÒØÓÒÒÐÐÑÒØeÒÕÙÐÖØÓÒÙÑÔEË×ÓÑÔÓ×ÒØ× Ò×ÖÒÖ×ÓÒ<br />

k<br />

<br />

⎠ÖÔÖ×ÒØÙÒÔÓØÓÒÐØ<br />

⎠<br />

ÐØÒÔÒÒØ× ×ÒØÐÓÒØÙÒÐ Ò×Ð×ÙÒÔÓØÓÒÑ××ÓÒÙÖØÙ××ÐÔÓ××ÐØÙÒÓÑÔÓ ÑÓÒØÖÕÙÐÓÒÒÙÜØØ×ÔÓÐÖ×ØÓÒ ÙÜØØ× ÄØØ⎛<br />

ÔÖÓÔØÓÒÐÓÒÒ×Ð×ÐÒÖÐ×ÓÑÔÓ×ÒØ××ØÖÒÓÖÑÒØ ÇÒÔÙØÚÖÖÕÙ×ÐÓÒØÙÙÒÖÓØØÓÒÒÐθÙØÓÙÖÐÜÞ ÓÑÑ<br />

e(λ<br />

e<br />

e ′ y = ex ØÒ×ÕÙÒ×Ð×ÖÙÐÖÐÐ××ØÖÒ×ÓÖÑÒØÓÑÑ <br />

sin θ + ey cosθ<br />

ÇÒÖÓÒÒØÐÓÖÑÐÓÔÖØÙÖÖÓØØÓÒÙØÓÙÖÐÜÞÔÓÙÖÙÒ<br />

ÔÓØÓÒ Ð×ÙÒÔÖØÙÐÝÒØÙÒÑ××ØÐ×ÙÒÔÖØÙÐÑ××ÒÙÐÐÐ ×ÙØ×ØÖÔÖ×Ò×Ð×ÔÖÖÔ×ÕÙ×ÙÚÒØÒÓÒ×ÖÒØ×ÔÖÑÒØ<br />

exp(iJzθ)ÚÓÖï<br />

<br />

ÔÖØÙÐ×ÔÒÊz(θ) =<br />

<br />

· e = 0 ÉÚÖÖÐÔÓÙÖÐÙÓÙÐÓÑ∇A = 0.<br />

⎛ ⎞<br />

⎛<br />

1<br />

e(λ = +1) = ⎝ 0 ⎠ e(λ = −1) = ⎝<br />

0<br />

⎞<br />

1<br />

⎝ 0<br />

0<br />

⎛<br />

0<br />

= 0) = ⎝ 1<br />

0<br />

0<br />

0<br />

1<br />

⎞<br />

<br />

⎞<br />

⎠<br />

′ x = ex cosθ − ey sin θ<br />

e ′ z = ez<br />

e ′ + = e+ exp(i(+1)θ)<br />

e ′ − = e− exp(i(−1)θ) <br />

e ′ 0 = ez


ÉØÙÖÐÑ××ÓÒÖÝÓÒÒÑÒØÑÔÖÙÒÐØÖÓÒÒÓÒÖÐØÚ×ØÒ×ÙÒ ÑÔÖÐÐÐÑÒØÙÑÔÑÒØÕÙØÔÖÔÒÙÐÖÑÒØÑÔ ÉÑÔÓÙÖÐ×ÖÐØÚ×ØÖÝÓÒÒÑÒØ×ÝÒÖÓØÖÓÒ ÑÔÑÒØÕÙÖÝÓÒÒÑÒØÝÐÓØÖÓÒÉÙÐÐ×ØÐÔÓÐÖ×ØÓÒÐÓÒ<br />

e(λËÓÒ×ÔÐÒ×ÐÖÖÒØÐÖÔÓ×ÐÔÖØÙÐÓÒÐ× ÙÜØØ×ÐØλ ÄÔÖØÙÐÑ××Ú×ÔÒ −1ÓÒØÓÖÖ×ÔÓÒÖÙÒÚØÙÖÔÓÐÖ×ØÓÒ<br />

ÓÑÑÙÒÑÒØÐØØ×ØÖØÒ×ÙÒ×ÔÓÐÖ×ØÓÒÖÙÐÖ<br />

ÖØ×ÒÒex =<br />

ÚÐÓÒØÓÒÓÖØÓÓÒÐØ e ∗ (λ)e(λ ′ ) = δλλ ′ ÈÓÙÖÖÖÐÓØÒÑÓÙÚÑÒØÓÒ×ØÑÒÓÒ×ØÖÙÖÙÒÕÙÖÚØÙÖ <br />

e = (e 0 <br />

(λ), e(λ)) Úe 0 µ Ö×ÙÐØØ×ØÚÐÐÒ×ØÓÙØÖÔÖØÑÓÒØÖÕÙÐÓÒØÖÓ×ÕÙÖÚØÙÖ× <br />

ÔÓÐÖ×ØÓÒÒÔÒÒØ×ÇÒÒÙÒÔÖØÙÐ×ÔÒ ÄÔÖØÙÐÑ××ÒÙÐÐØ×ÔÒ ÐÔÓØÓÒ<br />

eµ(λ) = 0<br />

ÄÔÖØÙÐ×ÔÖÓÔÒ×ÐÚÚØ××ØÓÒÒÔ×ÖÖÒØÐ ÖÔÓ×ÖÚÓÒ×Ð×ÓÐÙØÓÒÐÕÙØÓÒÓÒÐÖ✷A µ Ú k 2 <br />

<br />

= 0<br />

(1, 0, 0) ey = (0, 1, 0) ez = (0, 0, 1) <br />

e(λ = +1) ≡ − 1<br />

√ (1, i, 0)<br />

2<br />

e(λ = 0) ≡ (0, 0, 1) <br />

e(λ = −1) ≡ − 1<br />

√ (1, −i, 0)<br />

2<br />

0Ò×Ð×Ý×ØÑÖÔÓ×ÐÔÖØÙÐÒ××Ý×ØÑÓÒÙ××<br />

0)Ó =<br />

p = (M, 0, 0,<br />

p<br />

0×ÓÙ×ÐÓÖÑ<br />

=<br />

A µ = Ne µ exp(−ikx)


ØÕÙÐÓÒØÓÒÓÖØÓÓÒÐØ×ØØÓÙÓÙÖ×ÚÐÐÇÒÔÙØÑÓÒØÖÖÕÙ ØØÓÒØÓÒ×ØÒÐÓÙÑ×ÐÐ×Ø××ÓÙÓÜÐÙ ØÐ××ÓÒ×ÑÒØÒÒØÕÙÐÓÒÕÙÙÜØØ×ÔÓÐÖ×ØÓÒÒÔÒÒØ×<br />

ÖÐÓØ×ØÑ××ÒÙÐÐÄÙÄÓÖÒØÞ∂µA µ 0×ØÖÙØÔÖ<br />

=<br />

k µ <br />

eµ = 0<br />

ÐÙÄÓÖÒØÞ×ØÒÓÖ×Ø×Ø×ÐÓÒÖÑÔÐ<br />

A µ → A µ − ∂ µ χ <br />

ÔÓÙÖÚÙÕÙÐÓÒØÓÒ×ÐÖχ×ÓØÙÒ×ÓÐÙØÓÒÐÕÙØÓÒ<br />

✷χ = 0 <br />

Ëχ×ØÐÓÖÑÜÔÜÚÒØ<br />

A µ → A µ − iαk µ exp(−ikx) = N(e µ + βk µ ) exp(−ikx)<br />

ÒÐÐÙÕÙÖÑÓÑÒØÐÔÖØÙÐ ÕÙ×ØÕÙÚÐÒØÒÖÐÚØÙÖÔÓÐÖ×ØÓÒÙÒÕÙÒØØÔÖÓÔÓÖØÓÒ<br />

ÇÒÔÙØ×ÖÖÒÖÔÓÙÖØÖÓÙÚÖÐÚÐÙÖβÕÙÒÒÙÐÐÐÓÑÔÓ×ÒØØÑÔÓ ÖÐÐÙÒÓÙÚÙÕÙÖÚØÙÖØØÓÒÓÒÖØÖÓÙÚÔÖØÖÐ ÈÙ×ÕÙ2 ÒÓÙÚÙÕÙÖÚØÙÖÔÓÐÖ×ØÓÒ×Ø×ØØÓÙÓÙÖ×<br />

ÔÓÐÖ×ØÓÒÒÔÒÒØ×ÊÑÖÕÙÞÕÙÖ×ÓÒÒÑÒØØÒØÔÖÕÙÐÓØ ÓÒØÓÒØÖÒ×ÚÖ×ÐØk ·e ÙÒÑ××ÒÙÐÐ(k 2 ÔÓØÓÒÖÐÕÙÖÑÓÑÒØØÔÓÐÖ×ØÓÒλÙÒÔÖÓ××Ù×Ù×ÓÒ Ò×Ð×ÖÐ×ÝÒÑÒÓÒÒÐÙØÐÔÓ××ÐØÖÔÖØÔÖÙÒ<br />

<br />

ÚÐÖÐØÓÒÓÖØÓÓÒÐØÐ×ÒÑÓÒ×ÚÒØÙØÕÙÐÓÒÙÒÕÙÖ ÚØÙÖ e ∗ (λ)e(λ ′ ) = −δλλ ′ ÄÒÓÖÑÐ×ØÓÒ×ØÐÑÑÕÙÔÓÙÖÐ×ÔÖØÙÐ××ÔÒ <br />

<br />

= 0)<br />

e µ → e µ + βk µ <br />

= 0ÕÙÜÔÖÑÙ××ÐÜ×ØÒÙÜØØ×<br />

A µ = Ne µ ÔÓÙÖÐÔÓØÓÒÒØÖÒØ (k, λ) exp(−ikx)<br />

A µ = Ne µ∗ ÔÓÙÖÐÔÓØÓÒ×ÓÖØÒØ<br />

(k, λ) exp(+ikx)


ÓÖÑ×ÕÙÓÒÔÖØÑÒØÒÒØ××ÓÐÙØÓÒ×ÐÕÙØÓÒÖÇÒÚÙï ÄÔÖÓÙÖ×ØÒÐÓÙÐÐÙØÐ×ÔÓÙÖÐÔÖØÙÐ×ÔÒ ÄÔÖØÙÐ×ÔÒ ï<br />

Ò×ØÓÙÖÒØÔÖÓÐØÔÓÙÖÐÒØÖØÓÒÑ Óω×ØÐÕÙÖ×ÔÒÙÖÖØÝÔÙÕÙØÓÒ ØØÝÔÚ ÈÖØÒØÐ×ØÖÙØÙÖÒÖÐÙÓÙÖÒØ ÔÓÙÖÐÒØÔÖØÙÐ ÓÒÔÙØÜÔÖÑÖÐ ÔÓÙÖÐÔÖØÙÐ ÐÙÐÔÖØÖ<br />

ÕÙÔÙØØÖÚÐÓÔÔÒ <br />

ÆÓÙ×ÓÔØÓÒ×ÐÑÑÒÓÖÑÐ×ØÓÒÕÙÔÓÙÖÐÔÖØÙÐ×ÔÒ ×ÓÒØÖÔÔÐ×Ò×ÐÙÖ ÓÒÚÒØÓÒ××ÓÒØÔÓ××Ð×Ä×ÖÐ×ÝÒÑÒÔÓÙÖÙÒÐØÖÓÒØÙÒÔÓ×ØÖÓÒ ÙØÖ×<br />

ÉÐÒØÖØÓÒÑÙÒÖÑÓÒ×ÔÒ ÈÓÙÖÓÒÒÖÙÒÜÑÔÐÐÑÔÐØÙÙ×ÓÒÑÙÒÐØÖÓÒÔÖÙÒ<br />

uiÅÓÒØÖÖÕÙÐÐØÙÖÑÓÒ×ØÓÒ×ÖÚ ×ÜÔÖÑÔÖÙÒÓÙÖÒØÚØÓ<br />

ÔÓÒÔÓ×Øe − ÄÔÖÓÔØÙÖ×ØÒÓÖÐÓÖÑ ÒÓÖÑÐ×ØÓÒØÐÖδÒÓÙ×ÓØÒÓÒ×ÐÒÐÓÙ Õ2ÍÒÓ×ÐÑÒ×Ð×ØÙÖ× <br />

ØscÖÔÐÙÖ <br />

Ò×ÐÙ×ÓÒÙÜÓ×ÓÒ×ØÒØÓÒÒÐÔÖ×ÒÙ×ÔÒÓÒÚÓØÒÖ ÄÓÒ×ØÖÙØÓÒÐ×ØÓÒÖÒØÐÐ×ØÔÐÙ×ÓÑÔÐÕÙÕÙ Ä×ØØ××ÔÒ×ÖÑÓÒ×ÒØÖÒØØ×ÓÖØÒØ×ÓÒØ×Ô×ÔÖÐ×Ò×sa<br />

dσsasc ∝ |Msasc| 2 •ËÐÓÒ×ÐØÖÓÒ×ÒÓÒÔÓÐÖ××ÓÒÓØÖÙÒÑÓÝÒÒ×ÙÖÐ×ØØ× <br />

<br />

ÕÙ××ÓÐÙØÓÒ××ÓÒØÐÓÖÑ <br />

Ψi×ÓÙ×ÐÓÖÑ<br />

Ψ = ω(p, s) exp(−ipx)<br />

<br />

4 d xΨfV<br />

j µ (e − ) = (−e)Ψfγ µ Ψi<br />

ÖÐÐÓÖÑufγ µ<br />

×ÔÒ Ø−1/2<br />

j µ (e − ) = (−e)NiNfu(pf, sf)γ µ u(pi, si) exp{i(pf − pi)x} <br />

π + → e−π +×ØÜÔÖÑÔÖ <br />

M =<br />

d 4 xj ν (e − ) gµν<br />

q2 jµ (π + )<br />

Msasc = i(−i)eu(pc, sc)γµu(pa, sa) −igµν<br />

q2 (−i)e(pb + pd)ν


u− ( p c ,s c) p c<br />

ie<br />

u( p a ,s γµ<br />

igµν<br />

<br />

q2<br />

p<br />

a) a pb<br />

1<br />

e− π+ ÖÑÑÝÒÑÒÔÓÙÖÐÙ×ÓÒe −π + → e−π +<br />

ÐÒØÖÙÜØØ××ÔÒÔÓ××Ð×Ð×ÓÖØ×ÙÖÐ×ÕÙÐ×ÐÙØ×ÓÑÑÖ<br />

•ËÐØØÙÖ×ØÒ×Ò×ÐÐÔÓÐÖ×ØÓÒÓÒÔÓÙÖÕÙØØ×ÔÒ Ä×ØÓÒÒÓÒÔÓÐÖ××ØÓÒ<br />

dσNP = 1 <br />

Ùï ÄÐÙÐÐÐÑÒØÑØÖÔÙØ×ÖÒÜÔÖÑÒØÜÔÐØÑÒØÐ×<br />

<br />

ÉØÙÖÐ×ÐÙ×ÓÒÙÜÔÖØÙÐ××ÔÒ ÓÒØÓÒ×ÓÒÐ×ÙÓÒÒ×ÙÔØÖ ÉÙÐÕÙ×ÜÑÔÐ××ÓÒØÓÒÒ×<br />

dσsasc<br />

2<br />

sa sc<br />

×ØÒÙÐÐÔÓÙÖÐÔÓØÓÒÖÐÑ×ÐÐ×ØÒÓÒÒÙÐÐÔÓÙÖÐÔÓØÓÒÚÖØÙÐÙ ÄÔÖÓÔØÙÖÙÒÔÖØÙÐÑ××Ú<br />

ÔÖÓÔØÙÖÊÔÔÐÓÒ××ÑØÕÙÑÒØÕÙÓÒØÑÒ ÔÖ<br />

✷A = j ∼ (q · q)A = j → A ∝ 1<br />

q2j Ó×ØÐÓÙÖÒØÑ ÃÐÒÓÖÓÒ ÓÒ×ÖÓÒ×ÑÒØÒÒØÙÒÓ×ÓÒÑ×××ÔÒ Ó××ÒØÐÕÙØÓÒ<br />

(✷<br />

p d<br />

1<br />

ie ( p + p d )<br />

b ν<br />

ÄÔÖÓÔØÙÖÔÓØÓÒÕÙ×ØÐÓÖÑ Õ2ÚÓÖ ÄÕÙÒØØq 2<br />

Ójh×ØÐ×ÓÙÖÓÙÖÒØÓ×ÓÒÕÙ<br />

<br />

+ m 2 )φ = jh → (−p 2 + m 2 )φ = jh


Ä×ÓÐÙØÓÒ×ØÐÓÖÑφ ∝<br />

p2 − m2jh ÇÒ×ØÑÒÐÖÐ<br />

ÔÖÓÔØÙÖÙÒÓ×ÓÒ×ÔÒ Ñ××ÑØÑÔÙÐ×ÓÒÔ <br />

ÙÒÔÓÒÔÓ×ØÖÔÐÙÖ ÄÖÐØÓÒ ×ØÙØÐ×ÖÔÜÒ×Ð×ÐÙ×ÓÒÓÑÔØÓÒ×ÙÖ ÄÜÔÖ××ÓÒÙÔÖÓÔØÙÖÔÖ×ÒØ<br />

1<br />

−i<br />

p 2 − m 2<br />

<br />

−i ( p2 − m2)<br />

π+<br />

ÖÑÑÐÙ×ÓÒÓÑÔØÓÒ×ÙÖÐπ + ÙÒÔÐÕÙÒÐÔÖØÙÐÒÚÒØÖÐÐØØÔÖÓÔÖØÔÖÑØÙÒ ÒØÓÒÐØÖÒØÚÐÑ×××ØÐÚÐÙÖÔ2ÙÔÐÙÔÖÓÔØÙÖ ÙØÖ××ÙØÐØ××ÓÒØÔÖ×ÒØ×Ò×ÐÔÖÓÔØÙÖÔÖØÙÐ××ÔÒ ÓÒ<br />

ÓÙ ÐÒÓÑÒØÙÖÒÔ2Ñ2ØÒØØÓÙÓÙÖ×ÐÈÓÙÖÐ×ÖÑÓÒ××ÔÒ<br />

ÔÖÓÔØÙÖÙÒÖÑÓÒ×ÔÒ Ñ××ÑØÑÔÙÐ×ÓÒÔ<br />

i /p + m<br />

p2 − m2 <br />

ÎÓÖÔÖÜÖÔ


ÐÙÐÕÙÐÕÙ××ØÓÒ××dσ/dΩ ÓÒ×ÖÓÒ×ÐÔÖÓÐØÙ×ÓÒÐØÖÓÒÔÓÒe − ÐÙÐÖ |Msasc| 2 = Msasc(Msasc) ∗ ØÖÑÓÒÙÙÖÑØÕÙÓÒÒ ÈÓÙÖÙÒ×ÐÖÓÒÙÙÓÑÔÐÜØÓÒÙÙÖÑØÕÙÓÒÒØÄ<br />

= Óu =<br />

u † γ0<br />

e 2<br />

q 2<br />

2<br />

π + → e − π +ÇÒÓØ<br />

[u(pc, sc)γµu(pa, sa)(pb + pd) µ ] [...] †<br />

[u(pc, sc)γνu(pa, sa)(pb + pd) ν ] † = u † (pa, sa)γ † νu † (pc, sc) (pb + pd) ν =<br />

<br />

= u † (pa, sa)γ † νγ† 0u(pc, <br />

sc) (pb + pd) ν ÈÙ×ÕÙÜÖγ † νγ† †<br />

u (pa, sa)γ0γνu(pc, sc) ÒÓÒÐÙ×ÓÒÒ×ÐÐÙÐ ÓÒÓØÚÐÙÖ<br />

= [u(pa, sa)γνu(pc, sc)]<br />

1<br />

2 sa sc |Msasc| 2 =<br />

= 1<br />

<br />

e2 2 q2 2 <br />

sa sc [u(pc, sc)γµu(pa, sa)(pb + pd) µ ] [u(pa, sa)γνu(pc, sc)(pb + pd)ν] =<br />

= 1<br />

<br />

e2 2 q2 2 <br />

sa sc [u(pc, sc)γµu(pa, sa)][u(pa, sa)γνu(pc, sc)](pb + pd) µ (pb + pd) ν =<br />

= 1<br />

<br />

e2 2 q2 2 LµνT µν ÇÒÓÒÐÔÖÓÙØÙÜØÒ×ÙÖ×<br />

1 <br />

| Msasc |<br />

2<br />

sa sc<br />

2 = 1<br />

2 e<br />

2 q2 ÐØÒ×ÙÖÐÔØÓÒÕÙÖÑÓÒ×ÔÒ ×Ø<br />

Lµν = 1 ÐØÒ×ÙÖÖÓÒÕÙÓ×ÓÒ×ÔÒ ×Ø <br />

<br />

[u(pc, sc)γµu(pa, sa)][u(pa, sa)γνu(pc, sc)]<br />

2<br />

sa sc<br />

0 = γ † ν γ0 = γ0(γ0γ † ν γ0) = γ0γν , ÓÒÙ××<br />

2<br />

LµνT µν <br />

T µν = (pb + pd) µ (pb + pd) ν


ÔÐØ×ÙØÔÖ×ÙÒÔÙÐÖÓÒØÖÓÙÚ ÒØÖÐ×ÙÜÓÙÖÒØ××ØÒÕÙÒØÖÑ×ÙÐÙÐ ØØ×ÔÖØÓÒÕÙ×Ø××ÓÙØÕÙÐÓÒÒÙÒÕÙÑÒØÙÒÔÓØÓÒ ÈÓÙÖÐØÒ×ÙÖÐÔØÓÒÕÙÐÓÖÑ ÒÒØÖÓÙ×ÒØÐ×ÚÐÙÖ×Ü<br />

ÄÔÔÐØÓÒ×ØÓÖÑ×ØÖ×ÙÜÑØÖ×γÓÒÒ <br />

Ó:<br />

ÖÒØÐÐÒÙÐÖÒÑØØÒØÐÔÓÒÙÖÔÓ×Ø×Ò××ØÖÙØÙÖ ÄÚÐÓÔÔÑÒØÙÐÙÐÓÒÙØÐÜÔÖ××ÓÒ×ÙÚÒØÔÓÙÖÐ×ØÓÒ <br />

<br />

<br />

ÓÐÐ×ÓÒ ÇÒÒÐÐÑ××ÐÐØÖÓÒÕÙÔÖÑ×ÖÖ Ú| p<br />

ÄØÙÖ|p ′ ØÖÜÔÖÑ×ÓÙ×ÐÓÖÑÑÓÒØÖÖÓÑÑÜÖ <br />

ËÐÔÖØÙÐÐ×ØØÖ×ÐÓÙÖÔÖÖÔÔÓÖØÙÔÖÓØÐÓÒÔÙØÔÓ×Ö|p ′ ÉÔÖØÒØ×ØÒ×ÙÖ× Ø ØÙÖÒØÐÐÐÙÐdσ/dΩ Ò×Ð×ÐÙ×ÓÒe − ÖÑÓÒÕÙ×ÐØÒ×ÙÖÐØÖÓÒÕÙLµνØ×ÓÒÓÑÓÐÓÙÑÙÓÒÕÙMµνÄ Ö×ÙÐØØ×Ø<br />

<br />

×××ÒÒØ×Ò××ØÖÙØÙÖ ÎÓÖÔÖÜÖÒÒÜÓÙÖ §<br />

<br />

ssÐÒ ÔÔÐÓÑÑÙÒÑÒØ×ØÓÒÅÓØØÇÒØÖÓÙÚÙ××ÐÒÓØØÓÒ dσ<br />

Lµν = 1<br />

2 Tr<br />

<br />

/p = γ µ pµ.<br />

(/p c + m)γµ(/p a + m)γν<br />

Lµν = 2 pcµpaν + pcνpaµ + (q 2 /2)gµν<br />

dσNP<br />

dΩ (e−π + α<br />

) =<br />

2<br />

4 | p | 2 sin 4 (θ/2) cos2 (θ/2) | p′ |<br />

| p | ≡<br />

<br />

dσ<br />

dΩ ss<br />

|Ø|p ′ |Ð×ÕÙÒØØ×ÑÓÙÚÑÒØÐÐØÖÓÒÚÒØØÔÖ×Ð<br />

ÔÓÙÖÐÙ×ÓÒe −<br />

q 2 = −4 | p || p ′ | sin 2 |×ØÙÖÙÐÐÔÖØÙÐÐÑ××MÁÐÔÙØ<br />

(θ/2)<br />

| / | p<br />

| p ′ <br />

| 2 | p |<br />

= 1/ 1 +<br />

| p | M sin2 (θ/2)<br />

|<br />

|p| ≃<br />

π + → e−π +<br />

µ − → e− µ −ÓÒÓØÓÒØÖØÖÙÜØÒ×ÙÖ×<br />

dΩ (e− µ − <br />

dσ<br />

) =<br />

dΩ<br />

dσNP<br />

ss<br />

<br />

1 − q2 tan2 θ/2<br />

2M2 <br />

dΩ


ÒÓÒ×ÙÐÑÒØÔÖÐÙÖ×Ö×ÐØÖÕÙ×Ñ×ÐÑÒØÔÖÐÙÖ×ÑÓÑÒØ× ÑÒØÕÙ×M×ØÐÑ××ÙÑÙÓÒ<br />

θ/2×ØÙØÕÙÐÐØÖÓÒØÐÑÙÓÒÒØÖ××ÒØ<br />

×ÖØ ÜÔÖÑÒØÖÑ×ÚÖÐ×ÅÒÐ×ØÑ×ØÙØØ×ØÓÒ ÄØÖÑÒtan<br />

dσ<br />

dt (e− µ − ) = 2πα2<br />

t2 <br />

<br />

ÝÔÔÔÓÔØÔ×ÓÒØÐ×ÑÓÙÐ××ÕÙÒØØ×ÑÓÙÚÑÒØÐÐØÖÓÒ Ò×ÐÖÖÒØÐÙÑÙÓÒÐ Ä×ØÓÒÖÒØÐÐÒÒÐØÓÒe + ÓÒÒÔÖ ØÓÙØ×Ð×Ñ×××ÓÒØØÒÐ×ØÓÒ×ØÐÓÒÐÔÖÓÙØÓÒ×Ø<br />

dσNP<br />

dΩ (e+ e − → µ + µ − ) = α2<br />

4q2(1 + cos2 <br />

ØÐ×ØÓÒØÓØÐÔÖ<br />

θ)<br />

<br />

Úq 2 Ø 2E×Ù= √ ÒÙÐÖ ÉÙ×ØÖ ×ÙÖÐ×ÐÓÒ×ÖÚØÓÒÐÐØ ÔÖ×ÖÙÑÒØ×ÑÒ×ÓÒÒÐ×ÂÙ×ØÖÐÔÒÒ ÄÙ×ÓÒe + <br />

<br />

1 + u2<br />

s2 ÇÒØÖÓÙÚÙ×× dσ<br />

dy (e− µ − ) = 2πα2<br />

t2 s 1 + (1 − y) 2 <br />

e− → µ + µ −Ò×ÐÑ<br />

= 4E 2×Ù<br />

1<br />

3 s =<br />

21.7Ò [E×Ù(GeV )] 2<br />

s<br />

e− → e + e−Ò×ÐÑØÐÓÒÙ×ØÓÒÒÔÖ σNP(e + e − → µ + µ − ) = 4πα2


dσNP<br />

dΩ (e+ e − → e + e − ) = α2<br />

<br />

4 1 + cos<br />

2s<br />

<br />

θ<br />

2<br />

sin 4 − θ<br />

2<br />

2 cos4 <br />

θ<br />

2<br />

sin 2 + θ<br />

2<br />

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2<br />

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c p<br />

c<br />

q<br />

a<br />

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pa<br />

π<br />

Ù×ÐÒÙÒÓÑÒÒØÐÒØÖØÓÒÓÖØÁÐ×ØÔÐÙ×ÓÑÑÓ ÐÒØÖØÓÒÑÖÔÖ×ÒØÔÖÙÒÔÓØÒØÐÎÓÒ×ØÒØÒ×ÐØÑÔ×ËÐÓÒ Ó×ÖÐÔÔÖÓÒÖØÑÒÒØÙÓÒÔØÙØÙÖÓÖÑËÙÔÔÓ×ÓÒ×<br />

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<br />

M ∼ d 4 xΨ ∗ fV Ψi<br />

<br />

∼ d 3 xe −ipf ·x V (x)e ipi ·x <br />

∼ d 3 xV (x)e −iq·x Ó ∼<br />

<br />

∼ V (q)<br />

q = pf − pi


×ØÖÙØÓÒÒ×ØÖ×ρ(x)ÔÖ ÙÔÓÒØÚÙÐ××ÕÙØÒÓÒÖÐØÚ×ØÐÔÓØÒØÐÎÜ×Ø××ÓÐ<br />

ÄÚÐÓÔÔÑÒØÙÐÙÐÓÒÒ<br />

∼<br />

V (q) ∼ e2<br />

|q2 | F(q) ,Ú<br />

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〈ÔÓÒ(pc)|j |ÔÓÒ(pa)〉 e(pc + pa) µ ÔÓÙÖØÒÖÓÑÔØÐ×ØÖÙØÙÖÐÔÖØÙÐÈÓÙÖÕÙÐØÓÐÒ×Ø×× ØØÜÔÖ××ÓÒ×ØÔÔÐÐÙÔÓÒ×ÙÔÔÓ×ÔÓÒØÙÐÇÒÑÖØÐÑÓÖ <br />

<br />

exp(iqx)<br />

V (x)ÚÖÒØÖÓÙÖÙÒÓÒØÖÒØÐÓÖÑe<br />

V (x) ∼ e 2<br />

<br />

F(q)<br />

d 3 x ′ ρ(x′ )<br />

|x − x ′ |<br />

<br />

=<br />

d 3 xρ(x)e −iq·x<br />

−a|x′<br />

F(q) → F(q 2 )<br />

F(q2 ) → F(q2 )ØÓÒÓØÒØÙÒÓÖÑÒÚÖÒØF(q 2 Ñ×××ρ(r) = m2 exp(−mr) ÓÒÓØÒØÐØÙÖÓÖÑF(q 8π r 2 ÇÒÙÒÔÐÒq 2 = −m2 j µ (ÔÓÒ) =<br />

emµ<br />

∝<br />

) = 1<br />

1+q 2 /m 2


ÕÙÖÚØÙÖ×ÒÔÒÒØ× ØÒÒÐÙØÕÙØÓÙØÑÓØÓÒÓÒ×ÖÚÐ×ØÖÙØÙÖÚØÓÖÐÐÙÓÙÖÒØ ÓÒÕÙÐÑÔÐØÙpcÒÔÙØØÖÓÒ×ØÖÙØÕÙÐ×ÙÜ Ö×ØÙÒÒÚÖÒØÄÓÖÒØÞÄÓÙÖÒØ<br />

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pa + pc<br />

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∂µj<br />

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Ä×ØÓÒÖÒØÐÐÔÜ ×ØÓÖÖÖÔÖÐØÙÖ<br />

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F(q 2 <br />

<br />

= 0) = 1<br />

|F(q 2 )| 2<br />

q<br />

q 2 = p 2 a + p 2 c − 2papc = 2M 2 − 2papc<br />

= pc − pa <br />

pc)<br />

e(pc + pa) µ → e F(q 2 )(pc + pa) µ + G(q 2 )q µ <br />

µ = 0 → qµj µ <br />

0ØÕÙÐØÙÖÓÖÑÖÚÒØÐÔÓÒ<br />

= 0<br />

) =<br />

)<br />

(pa + pc) 2 = p 2 a + p2 c + 2papc = 2M 2 + 2papc = −q 2 + 4M 2<br />

dσ<br />

dΩ =<br />

ÔÓÒØ× dσ<br />

|F(q<br />

dΩ<br />

2 )| 2


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Ú <br />

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k ÕÙÜÔÐÕÙÐØÙÖ1<br />

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ÒØÖÑÖ×ÔÓ××Ð×ÖÔ<br />

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×ÓÙ×Ö×ÖÚÐÓÒØÖÒØÕÙk +<br />

<br />

−∞<br />

<br />

∞<br />

d 3 k δ(p c − p a − k) δ(p d − p b + k) ≈ δ(p c − p a + p d − p b)<br />

a)<br />

p<br />

= p c − p a = p d − p b = q<br />

k<br />

p’<br />

q 2ÙÔÖÓÔØÙÖÙÔÓØÓÒï<br />

p<br />

1 2<br />

propagateur<br />

b)<br />

p<br />

k<br />

p k<br />

d 3 k d 3 p ′ δ(p1 − p ′ − k) δ(p ′ <br />

− p2 + k)..... ≈ δ(p2 − p1) ∞<br />

−∞<br />

p ′ pÚÓÖÖÔ<br />

= p1 = p2 ≡<br />

p<br />

d 3 k.....


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<br />

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d 4 k/k 4 ≈<br />

1<br />

k 2 [(p − k) 2 − m 2 ]<br />

<br />

dk k 3 /k 4 ≈<br />

Λ<br />

dk<br />

≈ log Λ<br />

k<br />

<br />

dk<br />

k<br />

ÖÑÑ×ÐÓÖÖØÓÒØ×ÐÒÖ×ÓÖÖ×ÖÓ×<br />

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m ′ ∞<br />

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i di(Λ 2 <br />

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propagateur


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m = m ′ ÓÒ ØÑÒØÐÒØÖÒØ ∞Ñ×ÔÓÙÖØÓÒØÖÐÒÖÐÑÙÚ×ÓÑÔÓÖ<br />

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ÒÄØØÐÐ×ÓÙÔÙÖ××ØØÙÒ×Ð×ÔÖÓÖÑÑ××ÑÙÐØÓÒ ÔÖØÕÙÒÒØÖÓÙ×ÒØ×ÓÙÔÙÖ×ÙÜÐÑØ×ÒÖÙÖ×Ù×Ø×ÔÖÐØ ÕÙÐ×ÔÔÖÐ×ÓÒØÙÒ×ÙÐØØÓÒÒÒÖØÙÒÖ×ÓÐÙØÓÒÒÙÐÖ ÇÒ×ØÓÖ×ÙÓÒØÜØÐÔÖÓÙÖÒÓÖÑÐ×ØÓÒÇÒ×Ò×ÓÖØÒ<br />

Ð×ÒÖØÙÖ×ÅÓÒØÖÐÓ<br />

<br />

a)<br />

e+<br />

e−<br />

b)<br />

e+<br />

e−<br />

e −


ÚÒÑÒØÖØÙØÝÔe + e− → e + e− ÐØØÙÖÄÙÊÆÄ××ÙÜ×ÓÒØÔÖÔÒÙÐÖ×ÐÙÖØÐ<br />

(γ)Ó×ÖÚÔÖ<br />

Ð×ÒØÖÓÖÖ×ÔÓÒÒØ ÄÔÓØÓÒ×ØÖÓÒÒ××ÐÔÖÐÔÖ×ÒÙÒ×ÒÐÒ×ÐÐÓÖÑØÖØ ×ÒÙÜÒÓÖÖ×ÔÓÒÒÒ×ÐØØÙÖØÖÒØÖÐØÒ×ÐÐÓÖÑØÖ<br />

−ÐØØÒÐÓÒØÓÒÒ× ÓÐÐ×ÓÒÙÐÙÙÒØÖÐÐÄe +ØÐe


ÖÓÒ×ÙÑÓÝÒÙÒ×ÓÒÑÇÒÜÑÒÓÖÐ×ÖØÖ×ØÕÙ× ÔØÖ×ØÓÒ×ÖÐØÙÔÒÓÑÒÓÐÓÕÙÐ×ØÖÙØÙÖ× ÈÖØÓÒ×ØÕÙÖ×<br />

ÔÖÓÓÒÇÒÔÖ×ÒØÒ×ÙØÐ×Ò×ÒÑÒØ×ÕÙÓÒÔÙØØÖÖÐØÙ ÐÙ×ÓÒÐØÖÓÒÓÙÑÙÓÒÔÖÓØÓÒØÒÔÖØÙÐÖÐÙ×ÓÒÒÐ×ØÕÙ ÐÒÒÐØÓÒe + ØÙÖ×ØÖÔÖ×ÒØÔÖÐÖÑÑÐÙÖ ÄÓÐÐ×ÓÒÙÒÐØÖÓÒÓÙÙÒÑÙÓÒÔÓÒØÙÐÚÙÒÔÖÓØÓÒÚ×ØÖÙ ÄÙ×ÓÒÐØÖÓÒÒÙÐÓÒ<br />

ÒÚÓÝÖÙÒ×ÙÐØÖÓÒ×ÓÙÑÙÓÒ××ÙÖÙÒÐÔÖÓØÓÒ×ÙÖÔÓ× ÔÖØÙÐ× Ò×ÐÐÓÖØÓÖÇÒÓ×ÖÚÐ×ÔÖÓÙØ×ÐÓÐÐ×ÓÒÐÐÔØÓÒÙ×ØÐ× ÄÜÔÖÒÓÒ××Ø<br />

ÖÙÒÔÖÓØÓÒÚ×ØÖÙØÙÖÈÐÙ×ÙÖ×ÖÑ××ÓÒØÔÓ××Ð× ÄØÖ×ÐÓÖÔÖ×ÒØÐØÕÙÐ×ÓÒÐÔÓØÓÒÚÖØÙÐÓØ<br />

e − → γ → qq<br />

,<br />

electron<br />

k<br />

q<br />

ÖÑÑÐÙ×ÓÒÐØÖÓÒÔÖÓØÓÒ<br />

X<br />

proton p<br />

p’<br />

MÔÖÓØÓÒ<br />

=<br />

•ÐÖÓÒÔÙØ×ÓÖØÖÒØØÐÙ×ÓÒ×ØÐ×ØÕÙÔÖÓØÓÒØMX •ÔÙØØÖÙÒØØÜØÙÒÙÐÓÒÆ△ MX = M(résonance) > Mproton<br />

ÒÐÙ×ÚÒ×ÐÔÖØÓÒØÓÖÕÙÐ×ØÓÒÒÐÙ×ÚÐÙØ ×ÓÑÑÖ×ÙÖØÓÙ×Ð×ØØ×ÒÙÜ××Ð× ÒÕÙ×ÔÖØÒØÒÓÖ×ÇÒÔÖÐÐÓÖ×Ñ×ÙÖÐ×ØÓÒ Ò×ÖØÒ×ÜÔÖÒ×ÓÒÒÑ×ÙÖÕÙÐÐÔØÓÒÙ×Ð×ÔÖØÙÐ×<br />

•ÔÙØÖÔÖ×ÒØÖÔÐÙ×ÙÖ×ÖÓÒ×ÔÖÓÙØ×ÓÒØÐÑ××ØÚW ><br />

Mproton<br />

<br />

0<br />

k<br />

,


ÇÒÔÙØÑ×ÙÖÖÙÒ×ØÓÒÖÒØÐÐd 2σ/dk ′ ÐÓÖØÓÖÔÖÖÔÔÓÖØÐÖØÓÒÙ×ÙØ×ÓÒÒÖÒ×Ð× ÓÐÒÖÙ×Ù×Ø×Ù×ÑÑÒØÐÚÓÒÖÐ×Ò×ÙÒÜÔÖÒ ÓÒÙÖØÓÒÙÐÔØÓÒ×ÓÖØÒØ ×ØÖ×ÓÒÒÐÙ×ÓÒθÒ×Ð<br />

dθÒÓÒØÓÒÐ<br />

ÐÊÙØÖÓÖÕÙÔÓÙÖÓØÜÔÐÓÖÖÐ×ØÖÙØÙÖÑÙÒÙÐÓÒ×<br />

ÔÖØÓÒ× ÄÙÖ×Ö×ÙÐØØ××ÓÒØÓÑÔØÐ×ÚÐÜ×ØÒÙÒ×ØÖÙØÙÖÒØÖÒÐ× ØÐÐ×ÜÔÖÒ×ÓÒØØØÙ×ÙËÄÍËÒ×ÐÒÒ ÄÔÐÙ×ÖÓ×ÓÐÐ×ÓÒÒÙÖe − ÐØÖÓÒ× Î×ØÖ×ÙÖÙÒ×ÙÔÖÓØÓÒ×ÎÄÐÙ<br />

pØÙÐ×ØÀÊÀÑÓÙÖÍÒ×Ù ÑÒÓ×Ø×Ø16 × 1030 cm−2s−1Ä×ÙÜÜÔÖÒ×Ò×ØÐÐ××ÙÖÐÑÒ ×ÓÒØÍËØÀ<br />

•ËÐÑÓÑÒØØÖÒ×ÖØq×ØÔØØÐÒÓÝÙÐ×ÙØÙÒ×ÑÔÐÖÙÐØ ÐÒØÖØÓÒ ÇÒÔÙØÖÕÙÐÕÙ×ÔÖØÓÒ×ÕÙÐØØÚ××ÙÖÐÓÑÔÓÖØÑÒØ<br />

×ØÖÙØÙÖÐÐÐ×ØÓÒÖÒØÐÐÒÙÐÖ×ØÙØÝÔÓÒÒ ÔÖÐÖÐØÓÒ ÐÙ×ÓÒ×ØÐ×ØÕÙÄÐÔØÓÒÔÖÓØÐÒÔÖÚÒØÔ×Ö×ÓÙÖÐ ÔÓÙÖÐÙ×ÓÒe − µ −<br />

dσ<br />

dΩ =<br />

<br />

α2 4 | k | 2 sin 4 (θ/2) cos2 ′ <br />

| k |<br />

(θ/2) 1 −<br />

| k |<br />

q2 tan2 (θ/2)<br />

2M2 ÄØÖÑÒ| k ′ ØØÖÙÙ×ÔÒÙÒÓÝÙÐÓÒ×ÓÒÑÓÑÒØÑÒØÕÙÄØÖÑÒ×<br />

|×ØÙÖÙÐÐÐÄØÖÑÚÐØÒÒØ×Ø<br />

| / | k ÐÔÖÑÖÖÓØÑÙÐØÔÐÔÖ|k ′ |ÓÖÖ×ÔÓÒÐ×ØÓÒ<br />

ÑÓÖÒ×ÐÖÐØÓÒ •ËÐÑÓÑÒØØÖÒ×ÖØq×ØÖÒÐÐÔØÓÒÔÖÓØÐÕÙÖØÙÒÔÓÙÚÓÖ ÒÐÝ×ÐÙÔÖÑØØÒØÖÚÐÖÐ×ØÖÙØÙÖÙÒÙÐÓÒÐÇÒÓØÓÒ ÐØÖÑÓÒØÒÒØÐÖÐØÖÕÙÒÒØÖÓÙ<br />

| / | k<br />

ÅÓØØÔÓÙÖÙÒÒÓÝÙÐÑ××Å×Ò××ØÖÙØÙÖÒÓØÙ×× dσ<br />

dΩ ss<br />

×ÒØÙÒØÙÖÓÖÖØA(q 2 ÓÑÔÖÐÙØÙÖÓÖÑF(q 2 )ÕÙÐÓÒ ÒØÖÓÙØÔÓÙÖÐÔÓÒÐÒ×Ð×ÐÙ×ÓÒe − ÔÖØÑÒØÕÙ § ÑÑÐ<br />

π ÓØØÖÑÙÐØÔÐÔÖÙÒØÙÖÓÖÖØÓÒB(q 2 ÇÒÓØÒØÒÐÑÒØÙÒÜÔÖ××ÓÒÐÓÖÑ<br />

)<br />

dσ<br />

dΩ =<br />

<br />

dσ<br />

×<br />

dΩ ss<br />

A(q 2 ) + B(q 2 ) tan 2 (θ/2) •×ÕÙÐÒÖØÖÒ×Ö×Ø×ÙÔÖÙÖÙÒÖØÒ×ÙÐÐÖÙÐÔÙØ ØÖÓÒ×ØØÙÔÖÙÒÖ×ÓÒÒÚÓÖÔÐÙ×ÙÖ×ÔÖØÙÐ××ØÐÙ×ÓÒ <br />

ÒÐ×ØÕÙÄÑ××ØÚÙ×Ý×ØÑ×Ø×ÙÔÖÙÖÐÑ××ÙÒÙ ÐÓÒØÐÒÖÒ××ÖÔÓÙÖÓÖÑÖ×ØÔÖ×ÙÜÔÒ×ÐÒÖØÓØÐ<br />

ÑÒ×ÓÒ×OÑ<br />

×ÔÓÒÐ


ËØÓÒÖÒØÐÐÒÙÐÖÙ×ÓÒ<br />

ÙÔÖÓØÓÒÒÒØÖØÓÒÓØ×Ø×Ö Ä×ÖØÚ×ÜÔÓ××Ù§ Ð×ØÕÙÐØÖÓÒÔÖÓØÓÒØÐØÖÓÒÒÙØÖÓÒ<br />

ÓÒ×ÖÚØÓÒÐÖÄÜÔÖ××ÓÒ ×ÓÒØÔÔÐÐ×ÐÓÙÖÒØÑ××Ó ÐÒÚÖÒÄÓÖÒØÞØ ÚÒØÔÓÙÖÐÔÖÓØÓÒ×ÙÔÔÓ× Ð<br />

ÈÓÙÖÙÒÔÖÓØÓÒÐÒÓÒÔÓÒØÙÐÐÐ×ØÖÒ×ÓÖÑÒ<br />

ÆÓØÓÒ×ÕÙÒÖ×ÓÒÙ×ÔÒÙÒÙÐÓÒÓÒ×ØÑÒÒØÖÓÙÖÙÜØÙÖ× ÓÖÖØÓÒF1(q 2 ÑÒØÕÙÙÒÙÐÓÒØÐØÙÖ ÖÒÖØÖÑÓÒØÒØÐØÙÖκÓÖÖ×ÔÓÒÒØÐÔÖØÒÓÖÑÐÙÑÓÑÒØ<br />

)ÔÓÙÖÐØÖÑÑÒØÕÙ<br />

)ÔÓÙÖÐØÖÑÐØÖÕÙØF2(q<br />

0ÓÒ<br />

ÄÑÓÑÒØÑÒØÕÙÒÓÖÑÐÙÒÙÐÓÒÓÒØÖÙÑÓÖÐÒØÖØÓÒ<br />

ÐÐÑØq→<br />

ÐÔÖØÙÐÊÔÔÐÓÒ×ÕÙÔÓÙÖÙÒÖÑÓÒÖ×Ò××ØÖÙØÙÖκ Ä×ØÓÒÖÒØÐÐÒÙÐÖ×ØÓÒÒÔÖÐÖÐØÓÒ Ó<br />

ÔÓÙÖÐÔÖÓØÓÒF1(0) = ÔÓÙÖÐÒÙØÖÓÒF1(0) =<br />

Ð×ØÙÖ×A(q 2 Ò×ÐÐØØÖØÙÖÓÒØÖÓÙÚÙ××ÐÓÖÑÕÙÚÐÒØ ×ØÕÙÓÒÔÔÐÐÓÑÑÙÒÑÒØÐ×ØÓÒÊÓ×ÒÐÙØ Óτ =<br />

<br />

ÔÓÒØÙÐj µ (proton) = (+e)NN ′ u(p ′ , s ′ )γ µ u(p, s) exp{i(p ′ − p)x}<br />

j µ (proton) = (+e)NN ′ u(p ′ , s ′ <br />

)<br />

γ µ F1(q 2 ) + iκF2(q2 )<br />

2M σµνqν <br />

u(p, s) exp{i(p ′ − p)x}<br />

2 σ µν = 1<br />

2 i [γµ .γ ν <br />

] ÉÕÙÚÙØσ µν<br />

dσ<br />

dΩ<br />

<br />

1 F2(0) = 1<br />

0 F2(0) = 1<br />

)ØB(q 2 )ÔÙÚÒØØÖÜÔÖÑ×ÒØÖÑ×F1(q 2 )ØF2(q 2 )<br />

= (dσ<br />

dΩ )ss × [F 2 1 (q2 ) + τκ 2 F 2 2 (q2 )] + [2τ(F1(q 2 ) + κF2(q 2 )) 2 ] tan 2 (θ/2) <br />

−q 2 /4M 2


dσ<br />

dΩ<br />

dσ<br />

dΩ<br />

0.03<br />

0.02<br />

ss<br />

0.01<br />

= Β ( )<br />

q2 q2 tan 2 pente<br />

<br />

A } ( )<br />

0.2 0.4 0.6 0.8 1.0<br />

1<br />

2 θ ËØÓÒÖÒØÐÐÒÓÖÑÐ×ÐÙ×ÓÒe −pÒÓÒØÓÒ tan 2 (θ/2)ÔÓÙÖÙÒq 2Ü ÒÓÒÒÙÒÓÒÒÔÔÖÓÜÑØÓÒÐ×ØÓÒ ÚÐØÐÓÖÑÙÐÊÓ×ÒÐÙØÄÐÙÐÙÔÖÑÖÓÖÖÙÒ×ÙÐÔÓØÓÒ Î2Ä×ÔÓÒØ×ÜÔÖÑÒØÙÜÓÒÖÑÒØÐ<br />

dσ<br />

dΩ =<br />

2 dσ GE + τG<br />

×<br />

dΩ ss<br />

2 <br />

M<br />

+ 2τG<br />

1 + τ<br />

2 M tan2<br />

Ó GE(q 2 ) = F1(q 2 ) + κ q2<br />

4M2F2(q 2 )<br />

GM(q 2 ) = F1(q 2 ) + κF2(q 2 <br />

)<br />

GE(q2 )ØGM(q 2 )×ÓÒØÔÔÐ×Ð×ØÙÖ×ÓÖÑÐØÖÕÙØÑÒØÕÙ <br />

<br />

θ<br />

2


Ë×ÔÓÙÖÐÔÖÓØÓÒG p<br />

E ÔÓÙÖÐÒÙØÖÓÒG n ÔÓÙÖ×ÚÐÙÖ×ÔÐÙ×ÔÖ×× ÓµÔصÒ×ÓÒØÜÔÖÑ×ÒÑÒØÓÒÒÙÐÖµNÎÓÖÐØÐÈ <br />

ØÓÒ×ØÒÒ×ÐÔÖÓ××Ù×ÒØÖØÓÒÙÖÓÖÖØØÔÖØÓÒ×Ø ÄÝÔÓØ××ÓÙ×ÒØÒ×ÐÖÐØÓÒÊÓ×ÒÐÙØ×ØÕÙÙÒ×ÙÐÔÓ Ø×ØÜÔÖÑÒØÐÑÒØËÐÓÒÜÐÚÐÙÖq 2ÓÒÔÙØÖÔÖ×ÒØÖÐÖÔ ÙÖ ÐÕÙÄØØÙÖ×ØÔÐÒØÖÐÐØÖÓÒ×ÓÖØÒØØÒØÖÑÒÖ ÈÓÙÖÐ×Ñ×ÙÖ×Ù×ÓÒ×ÙÖÐÔÖÓØÓÒÓÒÙØÐ×ÙÒÐÝÖÓÒ<br />

(θ/2)ØÚÖÖÐÖÐØÓÒÐÒÖÚÓÖ<br />

×ÖØÓÒØ×ÓÒÒÖ<br />

ÔÓÖØdσ<br />

ÐÙ×ÓÒ ÚÖÐ×Ò××ÙÖÐÙÖ ÓÒ×Ð×ÔÖ×ÒØ×ØÙÒÔÖÓØÓÒÚÒØ ÄÒÑØÕÙÐÙ×ÓÒe +<br />

ÄÑ××ÐÐØÖÓÒØÓÒ×ÖÒÐÐÒÖÖ×ÓÒÒÖÒ ØÕÙÐÒÙÐÓÒÐ×Ø×ÙÔÔÓ×ÐÖÖØÔÖ×ÐÙ×ÓÒ<br />

pe<br />

ÉÑÓÒØÖÖÕÙ×ÐÙ×ÓÒ×ØÐ×ØÕÙ <br />

ÇÒ ØØÖÐØÓÒÔÖÑØÓÒØÖÐÖÐÐ×ØØÐÖØÓÒ −1 q ÇÒÒØ×ÓÙÚÒØQ 2 ÒÒØÐ×ÖÐØÓÒ×ØÓÒÓØÒØ<br />

Q 2 = 4 | k |2 sin 2 (θ/2)<br />

1 + 2|k|<br />

M sin2 <br />

<br />

(θ/2)<br />

dΩ / <br />

dσ<br />

dΩ<br />

ssÒÓÒØÓÒtan 2<br />

µÔ<br />

(0) = 1 Gp<br />

M (0) = 1 + κ = 2.7928... =<br />

(0) = 1 + κ = −1.9130... =<br />

E (0) = 0 Gn M µÒ<br />

p → e + pÔÙØØÖÖØÐ×<br />

= (| k |, k) ≡ (| k |, | k |, 0, 0)<br />

pp = (M, 0, 0, 0)<br />

p ′ e = (| k′ |, k ′ )Ú k ′ = | k ′ | (cosθ, sin θ, 0)<br />

p ′ p = (E′ , p ′ )<br />

| k ′ <br />

2 | k |<br />

| / | k |= 1 +<br />

M sin2 (θ/2)<br />

2 = (pe − p ′ e )2 = (| k | − | k ′ |) 2 − (k − k ′ ) 2<br />

≃ −2 | k || k ′ | (1 − cosθ) = −4 | k || k ′ | sin 2 <br />

(θ/2)<br />

= −q2ÔÓÙÖ×ÖÖ××ÖÙ×ÒÒØÒÓÑ


ØÙÖ×ÓÖÑÑÒØÕÙØÐØÖÕÙÙÔÖÓØÓÒØÙÒÙØÖÓÒ


π +<br />

π + π0 π +<br />

π +<br />

p n p p p p<br />

ÔÓÒØÙÐÒØÓÙÖÔÖÙÒÒÙÔÓÒ×ÚÖØÙÐ×ÐÙÛÄ×Ö×ÙÐØØ× ÜÔÖÑÒØÙÜ×ÓÒØÒ×ÓÖÚØØÖÔÖ×ÒØØÓÒ ÁÑÐ×ØÖÙØÙÖÙÔÖÓØÓÒÓÑÑØÒØÐÐÙÒÒØÖÙÖ<br />

p n n p<br />

0.8 fm<br />

ÇÒÚÓØÕÙÐ×ØÔÓ××ÐÓÙÖ×ÙÖÐ×ÚÐÙÖ×ÐÒÖÙ×Ù|k|Ø ÐÒÐÙ×ÓÒθÓÒÓÒ×ÖÚÖÙÒÚÐÙÖÜQ 2×ØÐÔÖÓÙÖ ÙØÐ×ÔÓÙÖÓÒ×ØÖÙÖÐ×ÔÓÒØ×ÜÔÖÑÒØÙÜÐÙÖ Ç×ÖÚÓÒ×ÕÙ<br />

Q2ÔÖÒ×ÚÐÙÖÑÜÑÙÑÔÓÙÖθ= 180¦<br />

Q 2ÑÜ= 4 | k |2<br />

1 + 2|k| ÈÓÙÖÐ×Ñ×ÙÖ×Ù×ÓÒ×ÙÖÐÒÙØÖÓÒÓÒÙØÐ×ÙÒÐÙØÖÙÑ ÐÕÙÇÒÓØÓÒ×ÓÙ×ØÖÖÐÓÒØÖÙØÓÒÙÔÖÓØÓÒØØÙÖÕÙÐÕÙ× ÓÖÖØÓÒ×ÒÙÐÖÖ×<br />

M<br />

dσ<br />

dΩ (Ò) = dσ<br />

dΩ () − dσ<br />

dΩ (Ô) ×ÑÔÐ ×ÜÔÖÒ×ÓÒØÑÓÒØÖÕÙÐ×ØÙÖ×ÓÖÑÔÖ×ÒØÒØÙÒÓÑÔÓÖØÑÒØ<br />

+ δ(ÒÙÐÖ×)<br />

G p<br />

E (q2 ) = G p<br />

M (q2 )/µp = G n M (q2 )/µn = G(q 2 ÓÙÔÐ<br />

)<br />

G(q 2 1<br />

) =<br />

(1 + Q2 /M 2 1<br />

=<br />

v )2 (1 − q2 /M 2 v )2 <br />

<br />

ÄÓÒØÓÒG(q 2 )×ØÒÖÔÖ×ÒØÔÖÙÒÔÐÓÖÖ<br />

G n E(q 2 ) ≃ 0 <br />

π 0


×ØÓÖÖØ 0.84ÎÐÙ×ØÑÒØÙØÙÖÓÖÑÑÒØÕÙÙÔÖÓØÓÒ<br />

= ÚMv ÔÖ×Ù×ÕÙQ 2 ÙÒ×ØÖÙØÓÒÐÒ×ØÖ×ØÝÔÜÔÓÒÒØÐ ÒÓÑÖ×Ù×ØÑÒØ× ÍÒØÙÖÓÖÑÔÓÐÖÓÖÖ×ÔÓÒÒ×Ð×ÔÔÝ×ÕÙÓÖÒÖ<br />

20Î2ÄÙÖ ÑÓÒØÖÙÒÖØÒ<br />

≃<br />

Ç×ÖÚÓÒ×ÕÙÔÓÙÖÙÒÔÖØÙÐÖ ÔÓÒØÙÐÐÓÒG(q 2 ÕÙÐÕÙ×ÓØÐq 2Ä×ÖÐØÓÒ× ÒØÓÙÖÔÖÙÒÒÙÔÓÒ×ÓÑÑÔÖÓÔÓ×ÔÖÙÛÙÖ Ò×ÐÒÙÐÓÒÇÒÒÔÙØÓÒÔ×ÑÒÖÐÔÖÓØÓÒÓÑÑÙÒÓØÔÓÒØÙÐ Ò×ØÔ×ÔÓÒØÙÐÔÐÙ× ÒÕÙÐ×ÒÙÒÒØÖÙÖÔÓÒØÙÐ Ø ÜÔÖÑÒØÐØÕÙÐÔÖÓØÓÒ<br />

)Ð ÈÓÙÖ ÙÒ×ØÖÙØÓÒÐÙÛ∼ r ÓÖÑ(1 + ÊÑÖÕÙÓÒ×ÒÐÑÒØÕÙG(q 2 )ØÒÚÖ× ÓÑÑ1/Q 4Õ ÓÒ Ð×ØÓÒÙ×ÓÒÐ×ØÕÙÖÓØØÖ×ÚØÓÑÑ→ 1 ÒÐ×ØÕÙ 2ÇÒÚÖÖÕÙÐÒ×ØÔ×Ð×Ð×ØÓÒÙ×ÓÒ<br />

ÇÒÖÓÙÖØÐÙÖ ÄÙ×ÓÒÒÐ×ØÕÙÐØÖÓÒÔÖÓØÓÒ<br />

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: m ≃ ×ØÔÖ×ÕÙÐÖËÓØP = (| p |, 0, 0, | p<br />

fP + qØÐÐÕÙ(fP<br />

×ØÖ×ÓÒÒÐ×ÐÓÒÓÒ×ÖÐÔÖØÓÒÐÖØ×ÐÒÝÔ×ØØ×ÔÖØÓÒÕÙ× ÔÖØÓÒÒ×ÖÓØÔ×ÙÓÙÖ×ÐÓÐÐ×ÓÒÓÙÕÙÐÐÖ×ØÒÐÐÕÙ<br />

+ ÜØ×ÈÙ×ÕÙf 2P 2 = f2M 2 = m2 0ÓÒÓØÒØ<br />

≃<br />

f = −q 2 /2Pq = Q 2 ÆÓØÓÒ×ÕÙØØÖÐØÓÒ×ØÔÔÐÐÙ××Ò×ÐÖÖÒØÐÙÐÓÖØÓÖ <br />

/2Mν ≡ x<br />

Öq 2ØPq×ÓÒØ×ÒÚÖÒØ×ÄÓÖÒØÞ<br />

<br />

q) 2 = m 2 ≃ 0ÇÒÓÒ×ÖÕÙÐÑ××ØÚÙ


P<br />

xP (1−x)P H<br />

a<br />

d<br />

r<br />

xP+q o<br />

ÖÑÑÐÙ×ÓÒÙÒÐÔØÓÒ×ÙÖÙÒÔÖØÓÒÕÙØÖÒ×ÔÓÖØ<br />

n<br />

ÙÒÖØÓÒxPÐÑÔÙÐ×ÓÒÙÔÖÓØÓÒ<br />

s<br />

ÖÓÒ×ØÓÒÚÓÖ§ÄÔÖÓ××Ù××ÖÓÙÐ×ÙÖÙÒÐÐØÑÔ×ØÖ× ØÖØÓÒÐ×ÔÖØÓÒ×ÖÓÖÑÒØ×ÖÓÒ×ÔÖÙÒÔÖÓ××Ù×ÓÑÔÐÕÙÔÔÐ ÙÒ×ÔÖØÓÒ×ÙÒÙÐÓÒÐ×ÙØÖ×ÔÖØÓÒ×ØÒØ××ÔØØÙÖ×ÔÖ×ÐÒ ÄÖÑÑÐÙÖÖÔÖ×ÒØÐÒØÖØÓÒÙÔÓØÓÒ×ÓÒÚ<br />

ØÒÙÒÖÖÐÙÖÙÔÖÓ××Ù×ÐÑÒØÖÙ×ÓÒ ÑØØÒØÕÙÐÔÖØÓÒ×ØÙÒÔÖØÙÐÖ×ÔÒ Ä×ÔÖØÓÒ×ØÓÖÕÙ×ÓÒÖÒÒØÐ×ÓÒØÓÒ××ØÖÙØÙÖ×ÓÒØØ×Ò Ä×ØÖÙØÙÖÙÔÖÓØÓÒ<br />

×ØÖÓÙÚÖÒ×ÐÔÖÓØÓÒÚÙÒÕÙÒØØÑÓÙÚÑÒØÓÑÔÖ×ÒØÖ ×ÝÑÓÐ×ÔÖqÓqÔÙØØÖÐÙÒ×ÕÙÖ×ÙÓÙ××ÖÐØÖÕÙ ÔÖØÓÒ×Ø<br />

ÒÔÒÒØ×ÔÖÓ××Ù×ÓÒØÐÔÙØØÖÐ×ÇÒÙØÐ×ÐÜÔÖ××ÓÒ Ð×ØÓÒÖÒØÐÐÙ×ÓÒÙÜÖÑÓÒ××ÔÒ zqα ÚÓÖ<br />

ÒÙÒØÐÖÙÔÓ×ØÖÓÒ×ØÒÕÙÔÖzqÁÐÙÒÔÖÓÐØq(x)dx<br />

Ò×ÐÖÐØÓÒØÐÐ×ÕÙ×ÙÚÒØÒ×ÔÖÖÔÐ×ØÓÒÚÒÙÕÙ<br />

ÒØÙÒØÐ×Ù×ØØÙØÓÒα<br />

ûÚÔÙ×ÓÒØÖÐØÚ×ÙÔÖØÓÒØÒ× <br />

→<br />

<br />

<br />

Ð×ÚÖÐ×ÒÑØÕÙ׈s, ˆt,<br />

xPØ(x + dx)PØØÔÖÓÐØ×ØÙÒÔÖÓÔÖØÒØÖÒ×ÕÙÙÒÙÐÓÒ<br />

dˆσ<br />

dˆt = z2 q<br />

q<br />

2πα2 ˆt 2<br />

<br />

1 + û2<br />

ˆs 2


ÕÙÐ×ÚÖÐ×ÒÑØÕÙ××ØÙ×Ò×ÔÙ×ÓÒØÖÐØÚ×ÙÔÖÓØÓÒË ÐÓÒÒÐÐ×Ñ××××ÔÖØÓÒ×ÓÒÔÙØÑÓÒØÖÖÕÙÜÖ<br />

ˆs ≃ xs û ≃ xu ˆt = t = −Q 2 <br />

dtØû 2<br />

ÑÒÒÖÐ×ØÓÒÓÙÐÑÒØÖÒØÐÐ Ò×ÐÙ×ÓÒÒÐ×ØÕÙÓÒ×ÓÒÙÜÚÖÐ×ÒÑØÕÙ×ØÓÒ×Ø<br />

ØÙÒÒØÒØÐ×ÔÖØÓÒ×ÙÜÕÙÖ×ÇÒÓØÒØ ÔÖ×ÒÓÑÔØÒÒ×ÖÒØÒ×ÐÔÖÓÐØq(x)dxÒ××Ù×Ò ÒØÖÒØ×ÙÖxØÒ×ÓÑÑÒØ×ÙÖÐ×ÔÖØÓÒ×ÔÖ×ÒØ×ØØ×ÓÑÑØÓÒ×Ø ÓÒØÖÙØÓÒ×Ñ××××Ø×ÙÔÔÓ×ÒÐÐÄ×ØÖÙØÙÖÒÔÖØÓÒ××Ø ÄÓÒØÓÒδ××ÙÖÐÐ×ØØÐÒØÖØÓÒÐÑÒØÖˆs +<br />

ÊÑÖÕÙÓÒ×ÕÙÐØÙÖ1/t 2 ÔÖÜÖ ÑØÓÒ×ÙÖÐ×ØÖÙØÙÖ×ØÓÒØÒÙÒ×Ð×ÓÑÑØÐÐ×ØÒÔÒÒØ QÓÐ×ÐÒÓÖÒÔÖØÖÐÓÒÔÙØÑÓÒØÖÖÕÙÚÓÖ §<br />

z 2 <br />

ÕÙÐÓÒÓÒ×ÖÐ×ÕÙÖ×ÓÑÑ×ÔÖØÙÐ×ÔÓÒØÙÐÐ×ÇÒÓØÒØÔÖ ÄÖÐØÓÒØÐÐÒØÖÓ×××ØÙÒÓÒ×ÕÙÒÙØ<br />

qxq(x)<br />

ÒÓÑÖ×ÕÙÒØÕÙ×ÄÔÖÓØÓÒÕÙÖ×uØÙÒÕÙÖd ÙÖÖØÒ×ÓÒØÖÒØ×ÔÓÙÖÖÒØÖÕÙÐÒÙÐÓÒpÓÙnØÐ×ÓÒ× ÙÐÐ×ÒÙ×ÓÒÒÐ×ØÕÙÔÖÓÓÒÒ×ÙØÐ×ØÒ××ÖÒØÖÓ ÇÒ×ÒØÖ××ÜØÖÖÐ××ØÖÙØÓÒ×ÔÖØÓÒÕÙ×q(x)×ÓÒÒ×Ö ÜÑÔÐF2 =<br />

<br />

ÓÒ dˆσ dˆσ u2<br />

= =<br />

dˆt ˆs 2 s2 d2ˆσ dt(xdu) = z2 2πα<br />

q<br />

2<br />

t2 <br />

1 + u2<br />

s2 0Ð<br />

<br />

δ(xs + xu + t)<br />

ˆt + û ≃<br />

d2σ 2πα2<br />

=<br />

dtdu t2 <br />

1 + u2<br />

s2 1<br />

dxδ(xs + xu + t)<br />

0<br />

<br />

z<br />

q<br />

2 qxq(x) <br />

= 1/Q4×ØÜØÖÙÖÐÒØÖÐØÓÙØÐÒÓÖ <br />

0<br />

1<br />

2xF1(x) = F2(x) = <br />

x[ 4 1 4 1<br />

u(x) + d(x) + u(x) + d(x) + ...]<br />

9<br />

dx(u(x) − u(x)) = 2 Ø<br />

9<br />

9<br />

q<br />

9<br />

1<br />

0<br />

dx(d(x) − d(x)) = 1


1/2Ó = ËÖÖÝÓÒÕÙ×ØØ×ÓÒ×Ó×ÔÒI3<br />

1<br />

B = dx<br />

0<br />

1<br />

3 (u(x) − u(x) + d(x) − d(x) + s(x) − s(x) + ...) = 1 <br />

1<br />

<br />

1<br />

1<br />

I3 = dx (u(x) − u(x)) − (d(x) − d(x)) =<br />

2 2<br />

0<br />

1 <br />

×q(x)ØØÙÖÙÒÙ×ØÑÒØÐÓÖÑÓØÒÙÙÜÚÐÙÖ×Ñ×ÙÖ× ×ÜÔÖ××ÓÒ××ÑÐÖ×ÔÙÚÒØØÖÖØ×ÔÓÙÖÐ×Ö×ØÖÒØ ÖÑ Ò×ÙØÐÙØÜÔÖÑÖÐ×ØÓÒÖÒØÐÐÙ×ÓÒÒØÖÑ ËØÖ <br />

2<br />

ØÐÖÐÜÔÖ××ÓÒ<br />

eXÓÒÔÙØ ØØ×ØÓÒÈÖÜÑÔÐÔÓÙÖÐÙ×ÓÒÒÐ×ØÕÙep →<br />

dσ<br />

dx (e − p) = 8πα2 <br />

s 4<br />

1 <br />

x [u(x) + u(x)] + d(x) + d(x) + s(x) + s(x)<br />

Q4 9 9<br />

<br />

nÙÒÚÙ×ÕÙÖ×ÑÒÔÓ×ØÙÐÖÕÙ<br />

Ð×ØÓÒÙ×ÓÒ×ÙÖÐÒÙØÖÓÒÔÙØ×ÖÖ Ä×ÝÑØÖ×Ó×ÔÒp −<br />

<br />

up(x) = dn(x), dp(x) = un(x), sp(x) = sn(x) ËÓÒØÒØÓÑÔØ×ÖÐØÓÒ×Ø×ÓÒÓÒÚÒØÕÙu=up d = dp s = sp<br />

dσ<br />

dx (e − n) = 8πα2 ÄÑÒ×ÑÒØÖØÓÒÓÒ××ØÒ××Ò×ÐÒÙÒÓ×ÓÒÐ ÅÒØÓÒÒÓÒ×ÕÙÐ×ØÖÙØÙÖÙÒÙÐÓÒÔÙØØÖ×ÓÒÐÑÒØÔÖÐ<br />

<br />

s 4 1<br />

x d(x) + d(x) + [u(x) + u(x) + s(x) + s(x)]<br />

Q4 9<br />

9<br />

ÐÚÓÖÔØÖ ØÝÔÒÙÐÓÒØÒØÒÙÐÓÒÒÖ×ÓÒÐÒØÙÖÔÖØÙÐÖÙÓÙÖÒØ ÖÐØÓÒÌÓÙØÓ×ÓÒ×ØÑÒÒØÖÓÙÖØÖÓ×ÓÒØÓÒ××ØÖÙØÙÖÔÖ ÏÄ×ØÓÒÖÒØÐÐÔÖÒÙÒÓÖÑÚÓ×ÒÐÐÐ Ù×ÓÒÒÐ×ØÕÙÔÖÓÓÒÒÙØÖÒÓνℓN<br />

ÄÖÒÕÙÒØØÓÒÒ×ÓÐÐØ×ÔÖÑ×ØÖÖ×ÖÒ×ÒÑÒØ×<br />

→ νℓXØνℓN → ℓXÓℓ=e, µ<br />

ÕÙØØÚ×ÓÒÔÖØÓÒÕÙÙÒÙÐÓÒ×ØÓÖÖØÒÔÖÑÖÔÔÖÓÜÑØÓÒ ÒÒØÖÓÙ×ÒØÐÓÑÔÓ×ÒØÐÙÓÒÕÙÙÒÙÐÓÒÉ×ØÙ××ÔÐÜ ×ÙÖÐ×ØÖÙØÙÖÒØÖÒÙÒÙÐÓÒÄÙÖÑÓÒØÖÙÒÔÖÑØÖ×ØÓÒ× ×ØÖÙØÓÒ×ÔÖØÓÒÕÙ×ÒÓÒØÓÒÐÚÖÐÜÄØÓÖÉÓÒÖÑ<br />

ÔÐÕÙÖÐÚÓÐØÓÒÙ×ÐÒÚ×Ð×ÙÖÐÙÖÐ×ÓÙÖ××ÙÖØØÙÖ


ÜÑÔÐÔÖÑØÖ×ØÓÒ×ÓÒØÓÒ×ÕÜÐÓÙÖÜÓÒÒ<br />

ÐÓÒØÖÙØÓÒ×ÐÙÓÒ×<br />

1)<br />

2)<br />

3)<br />

F 2<br />

F 2<br />

F 2<br />

x<br />

1/3<br />

F2 quarks <strong>de</strong> la mer<br />

ØÓÒ××ÙÚÒØ× ÁÒØÖÔÖØØÓÒÐÓÒØÓÒ×ØÖÙØÙÖÙÒÔÖÓØÓÒÒ×Ð××ØÙ ÕÙÖ×Ð×ÚÐÔÓ××ÐØÖÖ×ÕÙÖ×ÐÑÖ ÙÒ×ÙÐÕÙÖÔÖÔÖÓØÓÒ ÕÙÖ×ÐÖ× ÕÙÖ×Ð×<br />

4)<br />

quarks <strong>de</strong> valence<br />

x<br />

petit x 1/3<br />

<br />

1/3<br />

1<br />

x<br />

x


ÐÓÖÑ××ØÖÙØÓÒ×ÔÖØÓÒÕÙ×Ò×Ð×ÙÒ×ÙÐÕÙÖÔÖÖÓÒ ÖÔÖ×ÒØÒØÐÔÖØÓÒØÓÖÕÙÄÙÖÓÒÒÙÒÒØÖÔÖØØÓÒ ÕÙÖ×ÐÖ× ÖÖ×ÔÖ×ÕÙÖ×ÚÖØÙÐÐ×ÕÙÖ×ÐÑÖ ÕÙÖ×Ð×ÕÙÖ×ÚÐÒØÕÙÖ×Ð×ÚÐÔÓ××ÐØ<br />

ÄÒÒÐØÓÒe + ÙÔØÖÓÒÔÖ×ÒØÐÒÒÐØÓÒe + ÐÔØÓÒÒØÐÔØÓÒe + e − → γ ∗ → ℓℓ , Óℓ ÊÔÔÐÓÒ×ÕÙÐ×ØÓÒÖÒØÐÐÒ×ÐÑe + ÐÓÖÑÚÓÖ ØÐÓÒÐÖÓÒÓÖÑØÓÒÙÒÓ×ÓÒÒØÖÑÖÔÙØØÖÖØ×ÓÙ× <br />

ØÐ×ØÓÒÒØÖ×ÓÙ×ÐÓÖÑ <br />

Ú <br />

ÔÖÐÐØØÓÒ×ØÒ×Ò×ÐÐÔÓÐÖ×ØÓÒ×ÐÔØÓÒ×ÔÖÓÙØ× ÄÒÆÈÒÕÙÕÙÐ××ÙÜ×ÓÒØ×ÙÔÔÓ××ÒÓÒÔÓÐÖ××ØÕÙÐÔ ÊÔÔÐÓÒ×ÒÓÖÕÙÐ×ÖÐØÓÒ×ØÒ×ÓÒØÔ×ÔÔÐÐ×Ð<br />

q<br />

Ù×ÓÒe + ×ÔÖØÓÒ×ØÓÖÕÙ×ÓÒØØØ×Ø×ÜÔÖÑÒØÐÑÒØ×ÙÖÐÚÓe + ÇÒÔÙØÓÒ×ÖÖÐÜØÒ×ÓÒ×ÔÖØÓÒ×ÐÖØÓÒÒÒÐØÓÒ<br />

ÇÒØÒØÓÑÔØÐÖÖØÓÒÒÖÙÕÙÖÒØÙÒØÒÓÙÚÙ = Óq(q)×ÝÑÓÐ×ÙÒÕÙÖÒØÕÙÖÖÐØÖÕÙzqÚzq Ð×Ù×ØØÙØÓÒ×ÙÚÒØα 2 §ÜÔÖÑÒØÐÑÒØÐ×ÔÖØÓÒ×ÚÓ×ÒÒÐØÓÒÒÐÔØÓÒ×ØÒ ÐÙÔÖÐÑÒ×ÑÐÖÑÒØØÓÒÐÔÖÓ××Ù××ØØÙÒØÐÙ ÔÙÚÒØØÖÑ×ÒÚÒÚÐÓÖÑØÓÒÖÓÒ×ÐÕÙÐÐÐ×ÓÒÒÒØ ÊÔÔÐÓÒ×ÕÙÐ×ÕÙÖ×Ò×ÓÒØÔ×Ó×ÖÚÐ×ÓÑÑÔÖØÙÐ×ÐÖ×ÁÐ×<br />

ÖÓÒ×ÑÔÐÕÙÐÑ×ÒÓÙÚÖÙÒÔÔÖÐÐØØÓÒÓÑÔÐÜØ <br />

e− → γ∗ → qq<br />

e−ÚÔÖÓÙØÓÒÙÒÔÖ = e, µÓÙτ e−ÙÔÖÑÖÓÖÖ dσÆÈ dΩ (e+ e − → ℓℓ) = α2<br />

4q2(1 + cos2 <br />

θ)<br />

σÆÈ(e + e − → ℓℓ) = 4πα2<br />

·<br />

3<br />

1<br />

s<br />

2 = 4E2×ÙØ2E×Ù= √ s<br />

e− → e + e− e− →<br />

µ + µ −Ò×ÙÒÐÖÔÐÒÒÖÐÔÒÒÒÖÐÒ1/s×ØÚÖ<br />

e + e − → γ ∗ → qq<br />

2/3ÓÙ<br />

→ z2 qα2Ò×Ð×ÖÐØÓÒ×Ø


ÖÕÙÖØÐÔÔÐØÓÒÖØÖ××ÐØÓÒÕÙØ×Ä×ÔÖ×ÑÙÓÒ××ÓÒØ ×ÔÖÖÖÐÔØÓÒ××ÒØÖÒ×××ÒÖÓÒ×××ÒØÐÐÑÒØ ÖÒÔÓÙÚÓÖÔÒØÖØÓÒÒ×ÐÑØÖÄ×ÔÖ×ØÙ×ÓÒØÔÐÙ×Ð× ×ÑÒØÖÓÒÒ××Ð×ÚÙÐÖÐØÚÐÓÒÙÙÖÚÐÔØÓÒØ×ÓÒ<br />

ÔÕÙÑÒØÐÔÖ×ÒÙÑÓÒ×ÖÓÒ×ÔÓÙÖÕÙÙÒÚÒÑÒØ×ÓØÐ×× ÚÒÑÒØ×ÙØÑÙÐØÔÐØÒ×Ð×ÜÔÖÒ×ÙÄÈÓÒÑÒØÝ ÓÑÑÒÒÐØÓÒÖÓÒÕÙÍÒÙØÖ×ÓÙÖÑÔÓÖØÒØÖÙØÓÒ ÔÓÒ×ÄÚÓÒÒÐØÓÒÒÖÓÒ×ÓÒÒÒ××ÒÔÖÒÔÐÑÒØ×<br />

e +<br />

γ<br />

e− ÖÑÑÙÔÖÓ××Ù×ÙÜÑÑ<br />

γ<br />

Ò×ÑØÖÐ×ÒØÒÖÓÒ×ÒÒÖÐÐÖØÓÒÒÖ×ÓÙ×ØÖØÙÜ ×ØÒÒÖÔÖÙÒ×ÔÖØÙÐ×ÒÒØ×Ð×ÙÜÔÓØÓÒ×ÒØÖ××ÒØ ÔÖ×ÒØÔÖÐÖÑÑÐÙÖ ×ØÓÒ×ØØÙÔÖÐÔÖÓ××Ù×ÓÑÑÙÒÑÒØÔÔÐÙÜÑÑÕÙ×ØÖ ÍÒÔÓØÓÒÖÝÓÒÒÑÒØÚÖØÙÐ<br />

ÖÓÒÕÙ×ÙØÑÙÐØÔÐØØÚÙÒÐÖÖØÓÒÐÒÖ×ÔÓÒÐ<br />

+ÔÓÙÖ×ÙÚÒØÐÙÖÓÙÖ×ÐÑÒØÚ×ØÖ×<br />

ÑÔÓÖØÔÖÐ×ÖÓÒ××ÓÒØ××ÒØÐÐÑÒØÙ×ÐÒÒÐØÓÒÖÓÒÕÙ ØÒØÓÒÒ×Ò×ÐÒÐÙ×ÙÔÔÒØØÐØØÓÒÔÖ ÐÔÔÖÐÐÈÖÓÒ×ÕÙÒØÓÒÔÙØÑØØÖÕÙÐ×ÚÒÑÒØ×ÔÙÖÑÒØ Ä×Ö×ÙÐØØ×ÒÐÝ××ÓÒØÒÖÐÑÒØÔÖ×ÒØ××ÓÙ×ÐÓÖÑÙÒÖÔÔÓÖØ<br />

×ÙÜ×ØÔØØÐe −ØÐe<br />

R = σ(e+ e− →ÖÓÒ×<br />

σ(e + e− → µ + µ − )<br />

= NÖÓÒ× NÑÙÓÒ×· εÑÙÓÒ×<br />

ÐÑÑÔÖÓÕÙ×ØÓÒÓÒÒ× ÓNÖÓÒ×ØNÑÙÓÒ××ÓÒØÐ×ÒÓÑÖ×ÚÒÑÒØ××ÐØÓÒÒ×Ø×ÖÔÔÓÖØÒØ <br />

εÖÓÒ×


ÙÔÖÐÐÐÔÖÓÖÑÑ××ÑÙÐØÓÒÔÖÑØÓÅÓÒØÖÐÓ ÆÓØÓÒ×ÕÙÐÖÔÔÓÖØRÒ×Ò×ØÒÔÒÒØÐÐÙÑÒÓ×ØÒØÖ<br />

εÖÓÒ×ØεÑÙÓÒ××ÓÒØÐ×ØØ×Ñ×ÙÖ×ØÙÖ×ÓÒØØØÖÑÒ×<br />

ÔÖÑØÖÕÙÐÙÖØÓÒÒØÖ×ÐÓÒÚÓÙÐØÔ××ÖÖØÑÒØNÖÓÒ× Ð×ØÓÒσ(e + Ò×RØÒØÓÒÒÐÓÒÒ××ÒÔÔÖÓÓÒÕÙÓÒ×ÖØÖ×ØÕÙ× Ð×ÖØÖ×ØÕÙ×ÔÝ×ÕÙ×ØØ×ØÓÒ×ÓÒØÓÖÖØÑÒØÖØ×<br />

σ(e + e − → µ + µ − )ÚÓÖÔØÖ<br />

e − →ÖÓÒ×)ÚÓÖ§ÈÖÐÐÙÖ×ÓÒÓÒ×ÖÕÙ<br />

R=σ(e + e− → hadrons)/σ(e + e− → µ + µ − ÐÜ×ØÒÙÒÑÒ×ÑÖ×ÓÒÒÒØÓÑÑÐÙÖÔÖ×ÒØÒ×ÐÖÔÕÙ ÄÙÖÑÓÒØÖÓÑÑÒØÐÖÔÔÓÖØRÚÖÒÓÒØÓÒÐÒÖ<br />

√ )ÒÓÒØÓÒE×Ù=<br />

ÐÙÖØÕÙÔÙØØÖÖÔÖ×ÒØÔÖÐÖØÓÒÒÒ<br />

s/2ËÙÖÐÙÙÖÔÕÙÓÒÓ×ÖÚ×Ô××ÙÖÒØ<br />

s/2<br />

Ù×Ù√<br />

e + e − → γ ∗ →Ö×ÓÒÒ(J PC = 1 −− ÄÑ××ÐØØÖ×ÓÒÒÒØ×ØÐÐÔÓ×ØÓÒÙÔ××ÒÓÑÖ×ÕÙÒØÕÙ× ÑÒØ×ÖØÒØÒ×ÐÒØÙÖ×ÔÖØÙÐ×ÒÐ×Ó×ÖÚ×ØÒ×ÐÙÖ×<br />

P×ÓÒØÙÜÙÔÓØÓÒ××ÑÓ××ÒØÖØÓÒØÖÔÔÓÖØ×ÑÖÒ<br />

<br />

ℓℓ(+γ)<br />

) → ÖÓÒ×(+γ)<br />

ÙÒÚÙÙÒÖ×ÓÒÒ×ÔÕÙÔÖÜÑÔÐÐφÐJ/ψØÐΥØØ ÔÖÓÔÓÖØÓÒ× ÍÒÙØÖØÖÑÖÕÙÖÒ×ÐÖÔÕÙÐÙÖ×ØÐÔÖ×Ò<br />

J,<br />

<br />

ÔÐÖ×ÔÔÖÓÜÑØ×Ò×Ð×ÚÐÙÖ×ÙÖÔÔÓÖØRÕÙÔÐÖ×ÑÓÖÒØ


e+<br />

ρ, ω, φ<br />

e−<br />

f ÖÑÑÙÑÒ×ÑÖ×ÓÒÒÒ×ÐÒÒÒÐØÓÒe + e− ×ØÖÙØÙÖÒ×ÐÖ×ØÑ×ÒÖÐØÓÒÚÐ××ÙÐ×ÔÖÓÙØÓÒ×ÔÖ×<br />

→<br />

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hadrons<br />

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µ −ÓÐ×ÑÙÓÒ×<br />

µ + + µ −ÄÖÒÒØÖÐ×ÒÓÑÖ×<br />

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1<br />

q2 j j’ µ<br />

µ<br />

j j’ µ<br />

µ<br />

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M ≈ j W (np)µ · j W (eνe) µ


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+ ÐÜÔÓ×ÙÔØÖÄ×ÖÔØÓÒÙÒÔÖÓ××Ù×ÐØÐÕÙνµ<br />

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F | M |2<br />

dE<br />

= dE×ÔØÖÚmν N(| p |) ∝| p | 2 (E0 − E) 2 <br />

ÐÔÖÓÐØØÖÒ×ØÓÒÑ×ÙÖÇÒØÖÓÙÚ<br />

GF = 1.166 10 −5Î−2<br />

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e− →<br />

µ − νeÒ×ØÙÒÙØÖÜÑÔÐËÐÓÒ×ÙÔÔÓ×ÐÒØÖØÓÒÔÓÒØÙÐÐÐ<br />

+ 3 =<br />

1.166 10−5Î−2


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ÒÙÐÖÐÓÖÑ ν<br />

µ<br />

ν µ e<br />

+ e ÁÒØÖÔÖØØÓÒÙÔÖÓ××Ù×νµ − → µ − ÔÓÒØÙÐÐ<br />

νeÔÖÙÒÒØÖØÓÒ<br />

+<br />

dσ<br />

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F<br />

ÖÓØÓÑÑ1/E 2ØÝÔÚÓÐÙØÓÒ×ØÒÕÙÓÒØÖÓÙÚÒ×× ÔÖÓ××Ù×ÉÔÖÜÒ×Ð×ØÓÒe + e− → µ + µ −ÚÓÖ σ = 4πα2 em 1<br />

3 E2 ÕÙÑÒÒØÖÓÙÖÙÒÒÓÙÚÐÐÓÒ×ØÒØÓÙÔÐÐgÖÒÙÖ×Ò× ÊÔÔÐÓÒ×ÕÙÒ×ØØÜÔÖ××ÓÒÐÓÒ×ØÒØαem×Ø×Ò×ÑÒ×ÓÒ <br />

ÓØÒØÐÓÒÒÔÒÒÒÒÖ×ÐÓÒØÒØÖÖÒÙÐÑ××ÙÓ×ÓÒ<br />

WÒÔÓ×ÒØ ÑÒ×ÓÒÒÐÓÙαemÄÑÓÐÐ×ÓÛÏÒÖËÐÑÑÓÒØÖÕÙÓÒ<br />

GF ∼ g 2 /M 2 <br />

ÆÓØ×ÙÖÐÔÖÒÔÙÒØÖØ ÇÒÔÙØÖÖÐ×ØÓÒÓÑÑÙÒ×ÓÑÑ×ÓÒØÖÙØÓÒ×ÙÒ<br />

W<br />

∞<br />

(2ℓ + 1) sin<br />

ℓ=0<br />

2 ÚÓÖÔÖÜÖ ØØÔÖØÓÒÔÙØØÖÖÒÙÔÐÙ×ÐÔÖÙÒÖ×ÓÒÒÑÒØÒÐÝ×ÑÒ×ÓÒÒÐÐ ÔØÖ <br />

δℓ<br />

ÒÓÑÖÒÒÓÒ×ÔÖØÐÐ×<br />

σ = 4π<br />

E 2<br />

e<br />

π2 E2


ÄÓÒØÓÒÙÒÖØ×ÜÔÖÑÔÖÐØÕÙÕÙÐÑÒØsin 2 ÐÒØÖØÓÒ×ØÔÓÒØÙÐÐÔÖÑØÖÑÔØÒÙÐ ÔØØÕÙ Ò×ÐÌÓÖÖÑ×ÙÐÐÓÒÔÖØÐÐℓ=0ÓÒØÖÙÖ δℓ×ØÔÐÙØ<br />

ÓÒÐÐÑØÙÒØÖ<br />

×ØÖÔÓÙÖ ×ØÚÓÐÔÖÕÙÒ △σ<br />

G<br />

ÖÒÙÏÙØÐ ÔÖÖÔ×ØÙÒÓÑÔÐÑÒØÙ§Ò×ÐÕÙÐÓÒÔÖ×ÒØÐÜÔ ÊØÓÙÖÐÚÓÐØÓÒÐÔÖØ ÊÔÔÐÓÒ×ÕÙØØÜÔÖÒÔÓÖØØ×ÙÖÐÑ×ÙÖ<br />

E<br />

Ð×ØÖÙØÓÒÒÙÐÖ×ÐØÖÓÒ×Ñ×ÐÓÖ×Ð×ÒØÖØÓÒβÒÓÝÙÜ<br />

Ä×ÙØÙÖ×ÓÒØØÖÓÙÚÕÙØØ×ØÖÙØÓÒÒÙÐÖÚÓÖÙÖ ×Ø×Ý<br />

<br />

α×ØÐÔÖÑØÖ×ÝÑØÖØÖÑÒÖ<br />

ÓˆJ×ØÐÚØÙÖÙÒØ×ÐÓÒJCo<br />

ÕÙÒ×ÓÒÖÒÒØÐÐØÐÐØÖÓÒ ÄÙ×ØÑÒØÐÓÖÑÐ×ØÖÙØÓÒÒÙÐÖÓ×ÖÚÓÒÒ Ö×ÙÐØØÓÒÙØÒØÖ××ÒØ×ÓÒ×<br />

p Ee×ÓÒØÐÕÙÒØØÑÓÙÚÑÒØØÐÒÖÐe e<br />

ØØ××ÔÒÒØÖÐ×ÒÓÝÙÜÒØÐØÒÐ×ÖØÖÓÙÚÒØÖÑÒØÒ×Ð ØÓÒ××ÔÒ××ÙÜÐÔØÓÒ×ØØØÖÔÐØ×ÔÒÐÒÝÔ×ÑÓÑÒØ Ò×ÙÒØÖÒ×ØÓÒÑÓÛÌÐÐÖØÐÐÕÙÐÐ××Ù×ÐÖÒ<br />

<br />

1<br />

<br />

△Ω 4π<br />

4π 1<br />

=<br />

E2 E2 σ = 4π<br />

E 2 sin2 δ0 < 4π<br />

E 2<br />

√ GF<br />

≈ 1<br />

∼ O (100Î)<br />

ÓÐØÔÓÐÖ××<br />

60 Co(J P = 5 + ) → 60 Ni(J P = 4 + ) + e − + νe<br />

ÑØÖÕÙØÕÙÐÐ×ØÐÓÖÑ<br />

I(θ) ≈ 1<br />

π + α ˆJ · p e<br />

α = −1ÚÓÐØÓÒÈ<br />

−<br />

ÉÑÓÒØÖÖÕÙÐÓÒ×ÖÚØÓÒÐÔÖØÑÔÐÕÙα = 0<br />

Ee<br />

2 FE2 1<br />

><br />

π2 E2


θ<br />

axe z<br />

J<br />

Co<br />

Pe e<br />

Co Ì×ØÚÓÐØÓÒÐÈÖØÒ×Ð×ÒØÖØÓÒβÙ60<br />

ÓˆSe×ØÐÚØÙÖÙÒØ×ÐÓÒSeÐ×ÔÒÐÐØÖÓÒ ÇÒÔÙØÒÜØÖÖÐÐØÑÓÝÒÒÐÐØÖÓÒ<br />

π/2<br />

I(θ)dθ − 0<br />

< λe− >=<br />

π<br />

π/2 I(θ)dθ<br />

π/2<br />

I(θ)dθ + 0 π<br />

π/2 I(θ)dθ = α| p−e |<br />

= α | β<br />

Ee− −<br />

e |= − | β−e<br />

|<br />

ÓÒØÑÓÒØÖÕÙ TÚÑ××ÓÒβÔÓ×ØÚ Úα = −1 ×ØÙ××ÑÐÖ×Ø××ÙÖ×ØÖÒ×ØÓÒ×G −<br />

< λe + >= + | βe + | Úα =<br />

ÓÖØÐÑÔÓÖØÔÖÐÔÖe − CoØÕÙÔÙØÙ×××ÖÖ νeÁÐ×Ò×ÙØÕÙÐ××ÔÒ××ÓÒØÐÒ××ÙÖÐ<br />

− ×ÔÒÙ60 I(θ) ≈ 1 + α ˆSe <br />

· pe E0<br />

+1 <br />

60


ØÐÐ×ÜÔÖÒ×ÓÒØÔÓÖØÒÓÒ×ÙÐÑÒØ×ÙÖÐ××ÒØÖØÓÒ×βÖÓØÚ× Ö×ÐÖÒØ×ØÒÕÙ×ÒÐÝ×ÓÒØÓÒÖÑ×Ö×ÙÐØØ× ÈÖÐÐÙÖ×Ð×Ñ×ÙÖ×ÖØ×ØÒÔÒÒØ×ÐÔÓÐÖ×ØÓÒ×ÐÔØÓÒ×<br />

ÐÔØÓÒ×Ö×ØÒÚÖ×ÐÐØÐÙÖ×ÒÙØÖÒÓ×ÚÓÖ§ ÄÑ××ÙÑÙÓÒØÒØ ÄØÐÙ Ö×ÙÑÐÒ×ÑÐ×Ö×ÙÐØØ×<br />

1ÐÑÓÒØÖÕÙÐÐÑØÙÐØÖÖÐØÚ×ØÐÐØ× ÅÎÐÐØÖÓÒ×ÐØÓÒÒÔÖ×ÙÑÜÑÙÑÙ Ù×ÔØÖÙÒ|β e |⋍<br />

Ì<br />

<br />

ÀÐØ×ÐÔØÓÒ×ℓ =<br />

ÖØÓÒ×ÖÓÒ×ÓÖÙÒÔÖÓ××Ù××ÑÐÔØÓÒÕÙØÐÕÙÐ×ÒØÖØÓÒ ÖÒÖÓÑÔØ×ØÖÒ×ØÓÒ×ÑÓÛÌÐÐÖÌØÐÚÓÐØÓÒÐÔ ÙÒÙØÖÓÒÇÒÔÙØÒ×ÙÒÔÖÑÖØÑÔ×ÑÓÖÓÑÑ×ÙØÐÓÖÑÙ ÁÐ×ÚÖÒ××ÖÑÓÖÐØÓÖÔÒÓÑÒÓÐÓÕÙÖÑÔÓÙÖ ÄÒØÖØÓÒV−A<br />

ÓÙÖÒØÐn →<br />

ÄÓÔÖØÙÖσØ×ÙÖÐ××ÔÒÙÖ×ψiÓÒÔÖÑØØÖÐÒÓÙÚÐÐÓÒÙÖ <br />

ØÓÒ×ÔÒÜÔÖÑÒØÐÑÒØÓÒØÖÓÙÚ <br />

<br />

Ñ×Ù×××ÙÖÐ××ÒØÖØÓÒ×ÑÙÓÒ×<br />

µ ± → e ± + νe(νe) + νµ(νµ) <br />

ℓÔØÓÒ× ℓ + ℓ− λ v/c −v/c<br />

νℓ νℓ<br />

F : ↑ ↑<br />

<br />

△J=0<br />

p + e − + νe<br />

↑ ↓<br />

<br />

S=0<br />

n → p + e− + νe<br />

GT : ↑ ↓<br />

<br />

↑ ↑<br />

<br />

△J=1<br />

S=1<br />

GGT<br />

GF<br />

e, µ, τ)<br />

M ∼ GF(ψ ∗ p ψn)(ψ ∗ e ψνe) <br />

M ∼ GGT(ψ ∗ p σψn)(ψ ∗ e σψνe) <br />

= 1.18 ± 0.03


ÇÒÔÙØÑÓÒØÖÖÕÙ Ø ×ÓÒØÐ×ÐÑØ×ÒÓÒÖÐØÚ×Ø××ÔÖÓÙØ×<br />

F : ∼ (ψpγ µ <br />

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×ÓÙÖÒØ××ÓÒØÖÔÖ×ÒØ×ÔÖÐ×ÖÑÑ×ÐÙÖÐØÙ <br />

ψνe)<br />

ÔÖÓÔØÙÖÔÓÒØÐÐØÒØÒÐÄ×ÔÖÓÙØ×ÓÙÖÒØ×ØÐ×ÕÙ Ø<br />

p e ν<br />

e p<br />

e<br />

ÕÙÚÐÒ×ÖÑÑ×Ð×ÒØÖØÓÒβÙÒÙØÖÓÒ<br />

W W<br />

n<br />

n<br />

νe V : (J V ) µ = ψγ µ ψ ≡ V µ <br />

A : (J A ) µ = ψγ µ γ 5 ψ ≡ A µ <br />

ÚÓÐØÓÒÐÔÖØÐÙØÓÒÚÓÖÙÒÑÐÒÓÙÖÒØ×ÔÖØÔÓ×ØÚ ÓÒÒÒØ×ÕÙÒØØ××ÐÖ×ÔÖØÔÓ×ØÚËÐÓÒÚÙØÒØÖÓÙÖÐ<br />

<br />

ÐÔÖÑØÖ×ØÓÒ×ÙÚÒØ Ó Ø×ÓÒØ×ÔÖÑØÖ×ÒÖ VØAAÔÖØÔÓ×ØÚØ<br />

ØÒØÚ×ØÕÙÓÒÓØÒØÚÐÑÐÒV−A<br />

ÒÜÔÐØÒØÓÒØÔÔÖØÖÐ×ÔÖÓÙØ×V<br />

M ≈ GF(ψpγ µ (1 − GGT ÄÓÙÖÒØÐÔØÓÒÕÙL µÓÒØÒØÐÔÖÓØÙÖ1 ×ÔÒÙÖÙÒÙØÖÒÓÒ×ÐØÓÒÒÐÓÑÔÓ×ÒØÙÖÓØÔÓÙÖÐν Ö×ÙÐØÒØÐÑÔÐØÓÒÐÒØÖØÓÒÓÖØÒØÖÐ×ÕÙÖ×ÔÖØÔÒØÙ ÔÖÓ××Ù× ÆÓØÞÕÙÒÓÒØÓÒÐÑØÖÕÙÓÔØÚÓÙ×ÔÓÙÚÞØÖÓÙÚÖÒ×ÐÐØØÖØÙÖ<br />

ÄÖØÒØÖÐ×ÚÐÙÖ×GFØGGTÑ×ÙÖ×ÔÙØØÖÜÔÐÕÙÓÑÑ<br />

ÔÖÓØÙÖÖØ1<br />

M ∼ G(aV pn + bA pn ) µ (cV eν + dA eν AÔÖØÒØÚÄÓÑÔÖ×ÓÒÚÐ×Ö×ÙÐØØ×ÜÔÖÑÒØÙÜÓÒÙØ<br />

)µ<br />

V<br />

γ5)ÕÙ××ÒØ×ÙÖÐ<br />

γ5)ψn) × (ψeγµ(1 − γ5)ψνe)<br />

GF <br />

Lµ<br />

(1 − 2<br />

2<br />

(1 + γ5)


ν µ<br />

e ν<br />

e ν e<br />

µ<br />

W W<br />

µ<br />

µ<br />

νe ÕÙÚÐÒ×ÖÑÑ×Ð×ÒØÖØÓÒµ − ÖØÓÒÙÑÙÓÒÙÖËÓÒÑÔÐØÙ×ØÔÖÓÔÓÖØÓÒÒÐÐÙÔÖÓÙØ ÙÜÓÙÖÒØ×ÐÔØÓÒÕÙ× ÓÒ×ÖÓÒ×Ò×ÙØÙÒÔÖÓ××Ù×ÔÙÖÑÒØÐÔØÓÒÕÙØÐÐÕÙÐ×ÒØ<br />

→ e + νe + νµ<br />

ÄÐÙÐØÐÐÓÒÙØÙØÙÜÐ×ÒØÖØÓÒ<br />

1<br />

τ = G2 µ m5 µ /192π3 ÒÒØÖÓÙ×ÒØÐ×ÚÐÙÖ×Ñ×ÙÖ×mµ = 105.65ÅÎØτ = 2.197 10−6×ÓÒ ÐÐGF<br />

ÔØØÖØÔÙØÐÑÒØØÖÜÔÐÕÙÒØÒÒØÓÑÔØÙÖØÖÑ ÚÐÒØ×ÕÙÖ×ÓÒ×ØØÙÒØ××Ò×Ð×ÙÜÒØÖØÓÒ×ÓÖØØÐÓ <br />

Gµ − GF<br />

= 0.028 ± 0.013<br />

ÙÒÚÖ×ÐØ ×ÓÖØÙÒÔÖÓÔÖØÖÑÖÕÙÐÙÓÙÔÐÒ×Ð×ÓÙÖÒØ×Ð×Ö××ÓÒ ÚÓÖ§ ÍÒÓ×ÔÖ×ÒÓÑÔØÐ×ÖØ×ÒØÖÐ×ÓÒ×ØÒØ×ÓÙÔÐÐÖ×<br />

GF<br />

ÓÙÔÐ[(eνe)Ú(pn)] ∼ ØØÔÖÓÔÖØÔÙØØÖÑ×ÒÔÖÐÐÐÚÐÐ×ÓÙÔÐ×ÑÔÖÓØÓÒ<br />

=ÓÙÔÐ[(eνe)Ú(µνµ)] ÔÖÓØÓÒÔÖÓØÓÒ−e + , µ + − µ +ÓÒ×ØÕÙ×ÓÙÔÐ××ÓÒØÒØÕÙ×Ò ÕÙÐÔÖÓØÓÒ×ÓØÙÒÔÖØÙÐÒÓÒÔÓÒØÙÐÐØØÐØ×ØÙÙØÕÙ ×ØÐÖØÓØÐÓÒ×ÖÚÐÓØÕÙ×ØÒÙÙÖ ÎÓÖÐÒÏÒØÖØÓÒ×ÒÀÐÖÄÌÖ×ØÓЧ ÇÒÐ××ØÔØØ×ÓÖÖØÓÒ×ÔÒÒØ(me/mµ) 2Ò×ÕÙÐ×ÓÖÖØÓÒ× ÙÒÙÐÓÒ<br />

ÖØÚ× ÎÖ××ÒÖÕÙÒÐÔÓØÓÒÒØÖÑÖÒÔÙØÔ××ÖÒÖÐ×ÓÒ×ØØÙÒØ×<br />

M ≈ Gµ[uνµγ µ (1 − γ5)uµ −][ue−γµ <br />

(1 − γ5)uνe]<br />

ÔÙØØÖÑÒÖÐÓÒ×ØÒØÓÙÔÐGµÄÚÐÙÖÓØÒÙ×ØØÖ×ÔÖÓ


+ + ...<br />

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p<br />

µ<br />

ÔÓÙÖØÓÙØÔÖØÙÐ×Ò×ÐÐÒØÖØÓÒÐÚÓÖÙÖ×ÚÐÙÖ×Ø ÑÑÐ×ÑÐÜ×ØÖÙÒÖÐÓÒ×ÖÚØÙÒÓÙÔÐÙÒÕÙ ÐÓÖÖ√ GF<br />

p ν µ<br />

e<br />

νe<br />

+ + ...<br />

e<br />

νe ÙÒÐÔØÓÒ ÍÒÒÙÐÓÒÚÙÔÖÐÒØÖØÓÒÐ×ØÐÓÐÑÒØ×ÑÐÖ<br />

n µ<br />

<br />

ÄÓÒÔØÙÒÚÖ×ÐØÐÒØÖØÓÒÐ×ØÚÖÚÖÒÔÖ×ÓÒ<br />

ÔÓÙÖÐ×ÑÐÐ×ÐÔØÓÒ×ÄÔÔÐØÓÒÙÜÑÐÐ×ÕÙÖ×ØÐÓØÙ§


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ÖÑÑνµe − → µ −νeÚÙÒÓ×ÓÒÒØÖÑÖWØÖÒ× ÄÔÔÐØÓÒ×ÖÐ×ÝÒÑÒÚÓÖ§ Ó×ÓÒWÚÖØÙÐÒØÖØÓÒ×ØÒ×ÙÚÒØÐÖÑÑÐÙÖ ÆÓÙ×ÔÓ×ØÙÐÓÒ×ÕÙÐÑÒ×ÑÐÖØÓÒ×ØÖÔÖÐÒÙÒ ÑÒÙÒÑÔÐØÙÐ<br />

ÔÓÖØÒØÐÕÙÒØØÑÓÙÚÑÒØq<br />

ÓÖÑM<br />

ÐÖÐØÖÕÙÕÙÒØÐÓÙÔÐÑ ×ØÙÒÖÐÕÙÔÖÑØÒÖÐÓÙÔÐÐÔÖÒÐÓ<br />

= Óui<br />

ÄÜÔÖ××ÓÒÙÔÖÓÔØÙÖ×ÑÐÐÓÑÔÖÒÖÔÖÑÓÖ ×ØÐÕÙÖÑÓÑÒØÙÓ×ÓÒÒ ×ØÐ×ÔÒÙÖÙÐÔØÓÒi<br />

g<br />

q MW×Ø×Ñ××≃Î2 ØÓÙØÓ××ÐÓÒ×ÔÐÒ×Ð×ØÙØÓÒÓq 2<br />

g2<br />

2<br />

<br />

uµ −γµ<br />

(1 − γ5)<br />

2<br />

uνµ<br />

−g µν + q µ q ν /M 2 W<br />

q 2 − M 2 W<br />

<br />

uνeγν<br />

(1 − γ5)<br />

2<br />

ue −<br />

≪ M 2 WØØÜÔÖ××ÓÒ×ÖÙØ


ÐÓÖÑ×ÑÔÐg µν /M 2 ÓÑÔÖ×ÓÒÚÐÑÔÐØÙÓÖÖ×ÔÓÒÒØÔÓÙÖÐÒØÖØÓÒÔÓÒØÙÐÐ<br />

WÒ××ÓÒØÓÒ×ÓÒÔÙØÖÔÐÙ××ÑÒØÐ<br />

MÔÓÒØ×ÐÓÒÔÓ× <br />

ÄÒØÖØÓÒÔÓÒØÙÐÐÔÓ×ØÙÐÒ×ÐØÓÖÖÑ×ÚÖÙ×ØÔÓ× ÇÒÚÓØÕÙ××ÒÖÐÑÔÐØÙM=⇒ √2<br />

ÎÐ×ÙÜÒØÖØÓÒ××ÓÒØÓÖÓÑÔÖÐ ØÖ×ÙØÒÖ≫<br />

MÔÓÒØ= GF <br />

√2 uµ −γµ(1<br />

<br />

µν<br />

− γ5)uνµ g [uνeγν(1 − γ5)ue−] <br />

g2 8M2 =<br />

W<br />

GF<br />

ØÖÓÖÔÙ×ÕÙÒ×ÙÒÔÖÓ××Ù××ÒØÖØÓÒβ q2 ÑØÙÖ×ÕÙÐÖÒÒØÖÐÙÖ×ÓÒ×ØÒØ×ÓÙÔÐÁÐ×Ò×ÙØÕÙ ÐÒØÖØÓÒÐØÖÓÑÒØÕÙ×ØÙÔÐÙ×ÐÖÒÒØÖÐ×Ñ×××ÐÙÖ× ÇÒ×ÖÒÓÑÔØÙØÖÔÖØÕÙÐÖÒÒØÖÐÒØÖØÓÒÐØ 2<br />

×ÒØÖØÓÒÙÔÓÒÖÒÑÓ×ÔÙÖÑÒØÐÔØÓÒÕÙ×<br />

≃ ) ≪ M O(1ÅÚ2 W<br />

ØÐÈÚ×ÖÔÔÓÖØ×ÑÖÒÑÒØÑ×ÙÖ× ÄÔÓÒÖÙÜÑÓ××ÒØÖØÓÒÔÙÖÑÒØÐÔØÓÒÕÙ×ÚÓÖ<br />

π ± → µ ± νµ(νµ) : 0.999877<br />

→ e ± νe(νe) : 1.230 10−4 ×Ö×ÙÐØØ×ÓÒ×ØØÙÒØÙÒÔÔÐØÓÒÒØÖ××ÒØ×ÓÒØÖÒØ×Ö×ÙÐØÒØ Ô××ÔÓÒÐÓÒÔÖÖØÙÒÓÑÒÒÐÚÓÐØÖÓÒÕÙ×ÙÖÐÚÓ ×ÔÖÓÔÖØ×ÐØ×ÐÔØÓÒק ÑÙÓÒÕÙ×ØÐ×ØÙØÓÒÒÚÖ×ÕÙÐÓÒÓ×ÖÚØÐØÓÖ×ÓÙÖÒØ× ÔÖÑÓÖ×ÙÖÐ×ÔÙÖ×ÓÒ×ÖØÓÒ×ÒÖØÕÙ××Ô<br />

ÖÔÔÓÖØ −AÔÖÑØÒÖÒÖÓÑÔØÐÐÔÖØ×ØÙÜ×ÒØÖØÓÒÒ×Ð<br />

V<br />

Γ(π → eν)<br />

Γ(π → µν) ≃<br />

2 2<br />

me mπ − m<br />

·<br />

mµ<br />

2 e<br />

m2 π − m2 2 = 1.2 10<br />

µ<br />

−4 Ò×ÙÒØÐÔÖÓ××Ù× ÇÒÔÙØÐÓÑÔÖÒÖ×ÐÓÒ×ÖÖÐ×ØÖÙØÙÖÙÓÙÖÒØÐÑÔÐÕÙ <br />

ÓÒ×ÖÓÒ×ÔÖÜÑÔÐÐ×ÒØÖØÓÒÔÙÖÑÒØÐÔØÓÒÕÙÙÒπ +ÐÐ ×ØÖÔÖÙÒÓÙÖÒØÖÐÓÖÑ<br />

j µ = uℓγ µ<br />

<br />

1 − γ5<br />

uνℓ<br />

2<br />

≡ uℓγµ <br />

<br />

1 − γ5 1 − γ5<br />

uνℓ<br />

2 2<br />

<br />

1 + γ5<br />

≡ uℓ γ<br />

2<br />

<br />

hℓ=+1 µ<br />

=ÑÙÓÒÓÙÐØÖÓÒ<br />

<br />

<br />

1 − γ5 Óℓ uνℓ<br />

2<br />

<br />

hνℓ =−1


π<br />

e 00 11<br />

00 11<br />

+ +<br />

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νe<br />

s + s<br />

e νe<br />

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ÖØÓÒ×ÕÙÖ×( u d )Ø( c s)ØÐ×ÙÜÑÐÐ×ÐÔØÓÒ×( νe −)Ø( νµ<br />

e µ −)<br />

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WÙÜÕÙÖ×ØÙÜÐÔØÓÒ×ÔÙÚÒØØÖÖØÖ××ÔÖÐÑÑÓÒ×ØÒØ<br />

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Ö ÚÓÖ§ ÆÓÈÝ×ÊÚÄØØ <br />

ÊÑÖÕÙÓÒ×ÕÙÐÓÙÔÐÙW ±×ÐØÓÒÒÙÒØØÐØØÖÑÒÙÐÔØÓÒ sØ<br />

<br />

ÒØ×ÙÐ×Ð×ÕÙÖ×ÙØ×ØÒØÓÒÒÙ×ÒÐÜØÒ×ÓÒÙÓÙÐØc ×ØÖØÓÒØÙÐÖÖØÒØÖÐ×ÚÐÙÖ×Ñ×ÙÖ×GµØGF


a) b)<br />

µ<br />

ν µ<br />

W<br />

d u<br />

s u ÖÑÑ×××ÒØÖØÓÒ××ÑÐÔØÓÒÕÙ×π − → µ − + νµ<br />

∆S = 0ØK − → µ − ÔÖÜÑÔÐ + νµ ∆S = 1<br />

e− → νe + W − , µ − → νµ + W −<br />

νµ + W − νe + W − ÚÐ×ÔÖØÒÖ×ÙÒÑÑÑÐÐÑ×Ù××ÒÕÙÑÓÒ×ÖÕÙÑÑÒØ ÈÖÓÒØÖÒ×Ð××ÕÙÖ×ÓÒÓ×ÖÚÕÙÓÙÔÐÐÙÒÓÒ×ÙÐÑÒØ<br />

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Ð×ÔÖÓ××Ù×ÚØ×Ò×ÒÑÒØØÖÒØÔÖ×ÐÔÖ×ÒÓÑÔØ× ØÒÓÒÒÒØ×ÜÑÔÐ×ÒÓØÞÐÖÒ×ÚÙÖ<br />

ØÙÖ×ÒÑØÕÙ××ÔÔ××ØÒÚÖÓÒ 1ÒØÖÐ×ÙÜÕÙÖ×ÑÔÐÕÙ×Ò×ÐÓÙÔÐÚÐ<br />

ÖÔÔÓÖØÒÚÖÓÒ ØÙÔÖÒÔÙÒÚÖ×ÐØÈÓÙÖÖÐ×ÙÖÐÜ×ØÒÙÒÙÐØ ÆÓÖÖ×ÓÙÖØØÒØÖÒØÕÙ×ØÓÒØÖ×ØÙÖÖÐÚÐ ÙÒÚÙÐÓÒ×ØÒØÓÙÔÐÕÙÓÒÒÙÒ<br />

ØÖÒØ∆S =<br />

ÐÐÙÈÓÙÖÐÓÙÐØ×ÕÙÖ×ÐÖ×ÐÑÒÐ×Ñ Ò×Ð×ØØ×ÙÒÕÙÖ×ÐÓÒÕÙÓÒØÙÐÒØÖØÓÒÓÖØÓÙÐÒØÖØÓÒ ÑÐÒ×ÙÚÒØ ØØÔÖÓÔÖÐÒØÖØÓÒ ØØÔÖÓÔÖÐÒØÖØÓÒ<br />

<br />

<br />

u<br />

u<br />

⇐⇒<br />

d<br />

d ′<br />

<br />

<br />

u<br />

=<br />

d cosθC + s sin θC ÄØÙÜØÖÒ×ØÓÒ×ØÔÖÓÔÓÖØÓÒÒÐg 4 ÄÓÜÑÐÒÖÐ×ÑÑÖ×ÒÖÙÖ××ÓÙÐØ×ØØÖØÖÖØØÓÒÚÒØÓÒ<br />

ÓÖØ Ð<br />

×ØÖ×ØÒÚÙÙÖ <br />

ν µ<br />

W<br />

µ


′ ÍÒØØs ′ÔÙØØÖÓÒ×ØÖÙØÒÑÔÓ×ÒØÕÙÐ×ÓØÓÖØÓÓÒÐd s ′ ÜÔÖÑÒØÐÑÒØÔÖØÖ×ØÙÜØÖÒ×ØÓÒÒ××ÔÖÓ××Ù×ÚØ×Ò× ÒÑÒØØÖÒØØÐ×ÕÙÙÜÐÙÖ<br />

θC×ØÔÔÐÓÑÑÙÒÑÒØÐÒÐÓËÚÐÙÖÔÙØÖØÖÑÒ ÄÓÙÔÐÙÚÖØÜ×ÕÙÖ××ØÔÓÒÖÔÖÙÒØÙÖcosθCÔÓÙÖÐ<br />

= −d sin θC + s cosθC<br />

ÐÔØÓÒ×Ö×ØÒÒÚ×ÑÓØÓÒ×ÐØÓÖÔÖØÕÙ<br />

θCÔÓÙÖÐØÝÔsWuÄÓÙÔÐÙÚÖØÜ× ØÝÔdWuØÔÖÙÒØÙÖsin Γ(K− → µ −νµ) Γ(π− → µ −νµ) ≈ Γ(Λ → pe−νe) Γ(n → pe− <br />

νe)<br />

≈ g4 sin 2 θC<br />

g4 cos2 = tan<br />

θC<br />

2 Ä×ÝÑÓÐ≈×ÒÕÙÓÒÐ×× ÔÒÒØÙÔÖÓ××Ù××ØÙÖ×ØÒØÔÖ×ÒÓÑÔØÓÒÓØÒÙ Ø×ØÙÖ×ÒÑØÕÙ×ÓÒÒÙ×Ø<br />

ÄÑÑÔÔÖÓ×ØÚÐÐÔÓÙÖÐÓÑÔÖ×ÓÒÒØÖÐ×ØÙÜØÖÒ×ØÓÒ<br />

θC<br />

ÔÖÓ××Ù×ÖÓÒÕÙ×ØÐÔØÓÒÕÙ×ÈÖÜÑÔÐ<br />

θC = (12.8 ± 0.2)¦ <br />

Γ(n → pe−νe) Γ(µ − → e−νµνe) ≈ g4 cos2 θC<br />

g4 = cos 2 ÓØÒÙÒ×× ÔÖØÖ×ØÙÜØÖÒ×ØÓÒÑ×ÙÖ×ØØÒÒØ×ØÙÖ×ÒÑØÕÙ×ÓÒ <br />

θC<br />

θC = (12 ± 1)¦ <br />

ÔÒ×Ù§ ÕÙ×ØÓÑÔØÐÚÐÚÐÙÖθC××Ù×<br />

ÒÓÙ×ÔÓÙÚÓÒ×ÖÖÕÙ ÖÐØÓÒ ÆÓÙ××ÓÑÑ×ÑÒØÒÒØÒÑ×ÙÖÖÔÓÒÖÐÕÙ×ØÓÒÐ××Ò×Ù× ØÖÐØÚÙÜÓÒ×ØÒØ×ÓÙÔÐGµØGFÒÒÓÙ××ÓÙÚÒÒØ<br />

<br />

≈ ÕÙGµ<br />

ÓÁÐÖ×ØØÒÒÑÓÒ×ÖØÒ×ÕÙ×ØÓÒ×ÖÒÒØ×ÚÓÖ§ ×Ö×ÙÐØØ×ÓÒØØÓÒ×Ö×ÐÔÓÕÙÓÑÑÙÒÖÒ×Ù×ÐØÓÖ <br />

Gµ − GF<br />

ØÖÒ×ØÓÒÓÒÙØÐÒÖÐ×ØÓÒØØØÓÖÚÓÖ§ ÔÐÙ×ÐÓÙÚÖØÙÒØÖÓ×ÑÑÐÐÕÙÖ×ØÒÓÙÚÐÐ×ÚÓ× <br />

GF<br />

g2ÐÓÖ×ÕÙGF ≈<br />

= g2 − g2 cos2 θC<br />

g2 cos2 θC<br />

≃ 0.045 ÓÑÔÖÖ<br />

g 2 cos 2 θCØÖÒ×ØÓÒÚ∆S<br />

=<br />

= 0<br />

1<br />

− 1<br />

cos 2 θC


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e + e − → µ + µ −ÄÑÔÐØÙÐÙÐ×ÙÖÐ×ÖÑÑÚÖÙØ<br />

θW(0 < θW < π<br />

gγ<br />

g W ±<br />

= sin θW ;<br />

cosθW =<br />

gγ<br />

gZ<br />

= sin θW cosθW<br />

MW ±<br />

MZ<br />

sin 2 θW = 0.231 , θW ≃ 28.7¦<br />

j 0µ Ð= ufγ<br />

µ (g f<br />

V − gf<br />

Aγ5 )uf<br />

W


µ<br />

a)<br />

µ<br />

µ<br />

b)<br />

ν µ<br />

µ<br />

µ<br />

<br />

W W<br />

ÖÑÑ×Ù×ÓÒÓÖÖÓÜÖÑ×ÓÒØÖÙÒØ<br />

Z Z<br />

Z γ<br />

ν e<br />

e<br />

e<br />

e<br />

e e<br />

e e<br />

e<br />

ÐÒÒÐØÓÒe + e− → µ + µ −<br />

ÓgVØgA×ÓÒØ×ÓÒØ×ÔÒÒØÙÖÑÓÒÓÒÖÒÔÖÐÓÙÔÐ ÚÓÖØÐÙ ÄÜÑÒÙØÐÙØÐÖÐØÓÒ×Ù×Ø ÖÑÓÒ×<br />

ℓÔØÓÒ×<br />

gV gA<br />

1<br />

1<br />

νe νµ ντ 2<br />

2<br />

e− µ − τ − −1 2 + 2 sin2 θW −1 2 Íu 1 4<br />

c t − 2 3 sin2 ÕÙÖ× 1<br />

θW 2 d s b − 1 2<br />

+ 2 3 sin2 θW − 1<br />

ÐÒÙØÖÔÓÙÖÐ×ÖÒØ×ÐÔØÓÒ×ØÕÙÖ×ÍÕÙÖ×ÙÔÕÙÖ× ÓÛÒÐ×ÖÒ×Ñ×××ØÒØÒÓÖ×<br />

2<br />

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•ÐÔÖØÚØÓÖÐÐÙÓÙÖÒØÒÙØÖÒÒÓÒØÓÒÐØÓÖÐÔ ÚÖ×ÐØÙÓÙÔÐÜÐ<br />

ÌÓÒØ××ÔÖØ×ÚØÓÖÐÐgVØÜÐgAÙÓÙÖÒØ<br />

ØÓÒ×ØÕÙÖ×ÓÒØÖÖÑÒØÐÐÙÓÙÖÒØÖÚÒØÐÓÒÒÜÓÒ<br />

<br />

µ<br />

µ<br />

c)<br />

µ


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WÄÔÔÐØÓÒÐØÓÖÓÙÜÓÙÖÒØ×ÒÙØÖ×ÓÒÙØÙÒÔÖ<br />

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gAØÐÓÙÖÒØÒÙØÖ<br />

ØÓÒÒØÖ××ÒØÓÒÖÒÒØÐ×ÔÖÓ××Ù×ÓÐÝÙÒÒÑÒØØÖÒØ<br />

ÔÖÒÐ×ØÖÙØÙÖV<br />

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ÇÒÐ××ØÐ×ØÙÖ×ÒØÖÑÖ×γ µ ÔÓÙÖÐÐÖØÐÖØÙÖ<br />

0ÐÓ×ÓÒZ×ÓÑÔÓÖØÖØÓÑÑÙÒÓÑÔÓ×ÒØÒÙØÖÓ×ÓÒ<br />

≡ •ÔÓÙÖÐ×ÒÙØÖÒÓ×ÖÑÓÒ×ÔÙÖÑÒØÙÖ×gV ×sin θW →<br />

Zs ′×ÓÒØÐÓÖÑ<br />

Zd ′ <br />

j 0 (d ′ d ′ <br />

) ≈ (d cos θc + s sin θc)(d cosθ + s sin θc) =<br />

= dd cos 2 θc + ss sin 2 θc + (ds + sd) sinθc cosθc<br />

j 0 (s ′ s ′ <br />

) ≈ (s cosθc − d sin θc)(s cosθc − d sin θc =<br />

= ss cos 2 θc + dd sin 2 θc − (ds + sd) sin θc cosθc<br />

→ π ± ννÙÒÖÔÔÓÖØ →<br />

µ + µ −ÐÖÔÔÓÖØÑÖÒÑÒØÑ×ÙÖ×Ø


a) b)<br />

u d ν<br />

u<br />

s<br />

Z<br />

µ µ<br />

ν<br />

d ÖÑÑ×Ù1ÖÓÖÖ×ÔÖÓ××Ù××ÒØÖØÓÒK + →<br />

π + ννK 0 → µ + µ −<br />

ÙÖ ×ÔÖÓ××Ù××ÓÒØÖÔÖ×ÒØ×ÔÖÐÖÑÑÙÔÖÑÖÓÖÖÐ<br />

e<br />

e<br />

γ<br />

, Z<br />

ÖÑÑÓÑÒÒØÐÒÒÐØÓÒe + e− MZÐÑÒ×Ñ×ØÖ××ÒØÐÐÑÒØÔÖ<br />

→ ffÓf(f) = ℓ(ℓ)<br />

ÓÙq(q) ÙÜ×××ÒÖ×EÑ≪<br />

f<br />

f<br />

s<br />

Z


ËØÓÒÒÒÐØÓÒe + e− ÔÖÑÒØÐ×Ò×ÐÖÓÒÙZÐ×ÓÙÖ×ÖÔÖ×ÒØÒØÐÙ×ØÑÒØÙÒ<br />

sÓÖÑØÓÒÖ×ÓÒÒ×ÚÐÙÖ×Ü<br />

→ÖÓÒ×ÒÓÒØÓÒ<br />

→ qq ÐÒÖØÓØÐÒ×ÐÑ√<br />

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Ø×ØÔÖÑÓÝÒÕÙÓÒÔÙÖÙÒÔÖÑÖÚÐÙØÓÒÐÑ××ÙZ<br />

ÐÔÔÖÓMZÐ×ØÓÒÙ×ÕÙÐÓÖ×ÖÓ××ÒØÙÑÒØÖÙ×


ËØÓÒ××ÒÒÐØÓÒe + e− → ℓ + ℓ−Óℓ ÔÖ×ÒØÒØ×ÓÒÒ×ÖÙÐÐ×ÙÔÖ×ÖÒØ×ÓÐÐ×ÓÒÒÙÖ×e + ×ÓÒ×ÙÚÖØÜÔÖÓÙØÓÒÙZÚÖØÜÔÖÑÖÒÓÒ×ÕÙÒ×ÓÒ ÙØÖ×ÙÄÈÔ× ØÙËÄËØÒÓÖ ÄÑÒ×ÑÖ×ÓÒÒÒØ Ø×ÖÔÖÙØ×ÙÖØÓÙØ×Ð×ÚÓ××ÒØÖØÓÒÙZ Ò×ÐÔÔÖÓÜÑØÓÒÓÖÒÐ×ØÓÒÒØÖÐÚÓe + Ä××ÙÜÙÄÈØÙËÄÓÒØØÓÒÙ×Ù×ØÑÒØÔÓÙÖÔÖÑØØÖÒ×ÙÒ ÔÖÑÖÔ×ÐÐÝÜØÖÑÑÒØÔÖ×ÐÖÓÒÙZ E<br />

±<br />

= e ± , µ ± , τ ±<br />

e −ÒØÖ<br />

e + + E e − ≃ 90Î<br />

e − →


ffÒ×ÐÖÓÒÐÖ×ÓÒÒÔÙØØÖÖÔÖ×ÒØÔÖ <br />

σ(e + e − → Z → ff) = 12π Γe + e−Γff M2 <br />

Z Ós<br />

ÐÓÖÑ Ò×ÐÖÙÑÓÐ×ØÒÖÓÒÔÙØÜÔÖÑÖÐÐÖÙÖÔÖØÐÐ×ÓÙ×<br />

=<br />

ΓZ×ØÐÐÖÙÖØÓØÐÙZ<br />

ÓGF×ØÐÓÒ×ØÒØÓÙÔÐÖÑ ÕÙÖ×ÚÓÖ§<br />

3ÔÓÙÖÐ×<br />

Γ<br />

ÐÙÐÐ×ÒØÖØÓÒÑÒØÖÐÔØÓÒ×Ö×ÒØÖØÓÒÓÖØÒØÖÕÙÖ×<br />

δ×ØÙÒØÙÖÓÖÖØÓÒØÒÒØÓÑÔØÖÒØ×Ø××ÓÒÖ× <br />

ÄÐÖÙÖØÓØÐΓZÔÙØØÖÚÐÓÔÔÒØÖÑ×ÐÖÙÖ×ÔÖØÐÐ××<br />

1ÔÓÙÖÐ×ÐÔØÓÒ×ØNC<br />

ÖÒØ×ÚÓ×ffÓÒ×ÖÖ<br />

ÓNν×ØÐÒÓÑÖÑÐÐ×ÒÙØÖÒÓ×ÔÖÑØÖØÜÔÐØÒ<br />

<br />

ΓÒÚÐ×ÒÙØÖÒÓ×ÒÝÒØÔ×Ø<br />

= ØÒØÓÒÒÐÐÑÒØÇÒÔÓ××ÓÙÚÒØNνΓνν<br />

×ØÐÐÖÙÖÔÖØÐÐÐÒ×ÑÐ×ÚÓ×ÖÓÒÕÙ×××Ð×ÐÒÓØØÓÒ Ó×ÖÚ×ÖØÑÒØΓ=Γuu +<br />

1×ÓÒÚÙØÐÚÐÙÖ Ä×ØÓÒ×ØÜÔÖÑÒÎ−2ÔÖÕÙÓÒÔÓ×c = ÒÒÖÒÔÖÜÑÔÐÐÙØÒØÖÓÙÖÙÒØÙÖ(c) 2 <br />

s<br />

(s − M2 Z )2 + M2 ZΓ2 −)2×ØÐÖÖÐÒÖØÓØÐÒ×ÐÑZ<br />

(Ee + + Ee<br />

Γe + e−×ØÐÐÖÙÖÖØÖ×ØÕÙe + e− → ZÐÐÐZ→ e + e− Γ ff<br />

ff×ØÐÐÖÙÖÔÖØÐÐÐÚÓZ→<br />

N f<br />

= C×ØÙÒØÙÖÓÙÐÙÖNC<br />

gV gA×ÓÒØÐ×ÓÒØ×ÓÙÔÐÙÓÙÖÒØÐÒÙØÖØÐÙ<br />

ff = Nf<br />

CGFM 2 Z<br />

6π √ (g<br />

2<br />

2 V + g2 A )(1 + δ) <br />

=<br />

ΓZ = Γe + e − + Γµ + µ − + Γτ + τ − + NνΓνν + Γ<br />

U D×ØÒÒ×ÐØÐÙ<br />

Γcc + Γ dd + Γss + Γ bb<br />

≡ 2Γ UU + 3Γ DD<br />

= 0.389... TeV 2 · nbarn


ÔÖÓÔÖØ×ÙÓ×ÓÒZÒÔÖØÙÐÖ×Ñ×××ÐÖÙÖØÓØÐØ××ÐÖÙÖ× ÔÖØÐÐ×ÐÔØÓÒÕÙØÖÓÒÕÙÄÑØÓÒÐÝ×ÓÒ××ØÖÙÒÙ× ØÑÒØÐÜÔÖ××ÓÒÙÜÓÒÒ×ÜÔÖÑÒØÐ×ÖÙÐÐ××ÙÖÐ×ÚÓ× Ä×ÖÒØ××ØÓÒ××Ñ×ÙÖ×ÓÒØØÙØÐ××ÔÓÙÖÒÜØÖÖÐ×<br />

Ó×ÖÚÐ×Ä×Ö×ÙÐØØ××ÓÒØÓÒ×Ò×Ò×ÐØÐÈÒÓÙ×ÒÓÙ×ÓÖÒÓÒ×<br />

×ÚÓ×ÖÓÒÕÙ×ÕÙ×ÓÒØÐ×ÔÐÙ×ÓÒÒØ× ÒØÐ×ØÖÓ×ÚÓ×ÐÔØÓÒÕÙ×e ± Ñ×ÙÖ××ÔÖ×ØÐ×Ö×ÙÐØØ×ØÖÓÙÚ×ÓÒÓÖÒØ×Ø×ØÐÙÒÚÖ×ÐØÙ<br />

ÒÕÙ× ÓÙÔÐ 0.002ÎÐÐÖÙÖÔÖØÐÐÐÒ×ÑÐ×ÚÓ×ÖÓ<br />

• Γ= ±<br />

×ÖÚ×ÓÒÔÙØÖÖÐÒÓÑÖÑÐÐ×ÒÙØÖÒÓ××ÒØÕÙΓνν/Γℓ + 1.99ÔÖØÓÒÙÑÓÐ×ØÒÖÐÖ×ÙÐØØÓØÒÙÚÓÖ×Ø<br />

ÑÒØÐØÖÒØØÐ×ÚÙÖÒÒÖÐÒ×Ð×ÔÖÓ××Ù×Ð×ÈÖ ÇÒÚÙÕÙÐ×ÒØÖØÓÒ×ÓÙÖÒØ×ÒÙØÖ×ÒÓÒØÖÙÒØÔ×ÙÒ ÄÑÒ×ÑÁÅÔÖØÓÒÙÕÙÖÖÑ<br />

Ò×ÑÔÙØ×ÒØÖÔÖØÖÐÙÒÖÑÑÙ×ÓÒÓÖÖÄÙÖ ÐÐÙÖ×ÐÜ×ØØÐ×ÔÖÓ××Ù×Ú ÒÑÒØØÖÒØÓÒØÐÑ 1ØÙÒÔÖÓ<br />

ÐÒØÖÚÒØÓÒÙÒÑÒ×ÑÖØÒØÓÒØÓÙØÔÖØÙÐÖÑÒØÍÒØÐ<br />

2×ÙÜÔÖÓ××Ù×ÓÒØØÒÐÝ××Ò<br />

ÑÒ×ÑØÑÒÔÖÐ×ÓÛÁÐÓÔÓÙÐÓ×ØÅÒÁÅÒÁÐ× ØÐØÐ×ÚÖÕÙÐØÙÜØÖÒ×ØÓÒÑ×ÙÖ×ØÒ×Ð×ÙÜ×ÙÑÓÒ×<br />

ÓÒØÔÓ×ØÙÐÐÜ×ØÒÙÒÔÖØÒÖÐÕÙÖcÙÕÙÖsÐ×ÙÜÑÐÐ×<br />

ÓÒÑÓÒØÖÙÜÜÑÔÐ×ÙÒÔÖÓ××Ù××ÑÐÔØÓÒÕÙÚ∆S = ××Ù×ÔÙÖÑÒØÖÓÒÕÙÚ∆S =<br />

ÕÙÖ×( u d )Ø( )ÓÖÑÒØÙÒÒ×ÑÐÔÖÐÐÐÙÜÙÜÑÐÐ×ÐÔØÓÒ×( Ø( νµ )ÐÓÖ×ÓÒÒÙ×Ä×ÙØÙÖ×ÓÒØÑ××ÙÖÖÓØÕÙÒÓÙÚÙÕÙÖ<br />

µ Ö×ÙÐØØØÓÒÖÑÔÖÐÑ×ÙÖÖØÐÚÓe + ÖÝÓÒÒÑÒØÑ×ÔÖÐÙÒ×ÔÖØÙÐ×××ÙÜ Ø×ÒÐ ËÄÐ×ÓÛÂÁÐÓÔÓÙÐÓ×ÄÅÒÈÝ×ÊÚ ×ÝÔÓØ××ÖÒÒØÔÐÙ×ÐÐØÕÙÙÙÒÑÒ×ØØÓÒÕÙÖÒÚØÒÓÖ <br />

<br />

ÑÒØÓÒÒÖÕÙÐÕÙ×ÙÒ×ÒØÖÙÜ<br />

0.0023ÎÐÐÖÙÖØÓØÐØØÚÐÙÖ×ØØÖÐÒÐÝ×<br />

0.0021ÎÐÚÐÙÖÒØÖÐÐÑ××<br />

• MZ = 91.1876 ±<br />

• ΓZ = 2.4952 ±<br />

• Γℓ + ℓ− = 0.08398 ± 0.00009ÎÐÐÖÙÖÔÖØÐÐÐÚÓÐÔØÓÒÕÙℓ + ℓ− , µ ± , τ ±ÚÓÖÙÖÓÒØØÐÓØ<br />

±0.0015ÎÐÐÖÙÖÐÒ×ÑÐ×ÚÓ×ÒÙØÖÒÓ×ÒÓÒÓ<br />

1.744<br />

• Γinv = 0.499<br />

Nν = 2.984 ± 0.008.<br />

ℓ− =<br />

104Ó×ÔÐÙ×ÐÕÙÐØÙÜÐÙÐÐÙÖÑÑÕÙÐ×××ÙÔÔÓ×Ö c νe<br />

s e )<br />

e− ννγÓγ×ØÙÒÔÓØÓÒ<br />


ÐØÓÖÓØÐ×Ø×ØÐ×ÓÒÖÒÒØÐ×ÓÙÖÒØ×ÒÙØÖ×ÁÐ×ÓÒØ ×Ù×ÔØÐØÖÚÓÐÒ×ÐÒØÖØÓÒÐÁÐ×ÓÒØÒ×ÙØÔÖ×ÒÓÑÔØ ×ØØÖ×ÐÓÙÖÔÖÖÔÔÓÖØÙÜØÖÓ×ÙØÖ×ØÕÙÐÔÓÖØÙÒ×ÚÙÖÒÓÙÚÐÐ ÐÖÑÕÙ×ØÓÒ×ÖÚÒ×Ð×ÒØÖØÓÒ×ÓÖØØÐØÖÓÑÒØÕÙØ<br />

ÒØÖÑÐÐ×ØÒØÔÖÓ×ÖØ×ÔÖÒÐÓÚÐ×ØÙØÓÒÞÐ×ÐÔØÓÒ×<br />

′Ð×ÓÙÔÐ×ÖÓ×× ÒØÖÓÙØ×Ð×ÓÙÔÐ×ÓÙÖÒØ×Ö×uWd<br />

a)<br />

′ØcWs<br />

W<br />

µ<br />

s<br />

d<br />

u u<br />

W<br />

s<br />

d<br />

s<br />

W<br />

u ν µ<br />

d<br />

u<br />

W<br />

s<br />

d<br />

W W<br />

µ<br />

d<br />

s<br />

u ÖÑÑÐ×ÒØÖØÓÒK 0 → µ + µ −ÖÑÑ× ÐÓ×ÐÐØÓÒK 0 ←→ K 0<br />

ØÒÒØÓÑÔØ×ÓÙÔÐ×ÙÜÚÖØÜÓÒ×ØÓÒÙØÙÒÑÔÐØÙÐ ËÐÓÒÖÚÒØÙÜÖÑÑ×ÐÙÖ ÓÒÚÓØÕÙÐÙØÓÒÖ<br />

Ò×ÕÙÖ×uØcÓÙÔÐ×ÙÜÚÖØÜuWd, uWs, cWd<br />

ØcWs<br />

ÓÖÑ〈µ + µ − |M|K0 〉 ≈ g 4 ÓÐ×f(...)×ÓÒØ×ØÙÖ×ÒÑØÕÙ×ÐÙÐÐ×ÓÒØÒÒØÒØÖÙØÖ×Ð× <br />

sin θc cosθc [f(mu, MW, ...) − f(mc, MW, ...)]<br />

ÐÒÙÕÙÖuÐÙÙÕÙÖcÓÑÑÖÔÖ×ÒØÒ×ÐÙÖ Ò<br />

<br />

ÔÖÓÔØÙÖ××ÕÙÖ×uØcØÐÙÙÓ×ÓÒW<br />

b)


ÐÑÔÐØÙÔÖØ×ÖØÒÙÐÐ ÒØÖÐÖÓØÐÐÑØ×Ð×ÕÙÖ×uØcÚÒØÐÑÑÑ×× ÄØÙÑÒ×ÑÁÅÔÔÖØÒ×ÐÖÒ×ÙÜØÖÑ× ÈÓÙÖÐÓ×ÐÐØÓÒK 0 ÕÙÓÒÕÙØÖÚÖØÜÑÔÐÕÙÒØÙÒÕÙÖÐÑÒ×ÑÁÅ×ØÓÒÓÔÖÒØ ÐÒØÖØÐ×ÓÖØÙÖÑÑØÐÑÔÐØÙÔÖØ×ÒØÖÓÙÚÓÖØÓÖ<br />

ÔÐÓÖØÓÒÐÔÝ×ÕÙ×ÖÓÒ×ÖÑ× ÜØÖÑÑÒØØØÒÙ ÚÐÓÙÚÖØÙÑ×ÓÒJ/ψ×Ý×ØÑccØÔÖÐ×ÙØÚÐÜ Ä×ÔÖØÓÒ×ÙÑÓÐÁÅÓÒØØÖÓÙÚÙÒÖÐÐÒØÓÒÖÑØÓÒÒ<br />

Ò ×ØÒÖ ÜØÒ×ÓÒÐØÖÓ×ÑÑÐÐÖÑÓÒ×ÄÑÓÐ<br />

ÑÐÐÕÙÖ×ÄÙÖÑÓØÚØÓÒØÑÒÖÐÑÓÐÓÁÅ ÔÓÙÖÝÒÐÙÖÐÚÓÐØÓÒÈÓ×ÖÚÒ××ÔÖÓ××Ù×ÓÙÖÒØÐ ÃÓÝ×ØÅ×ÛÓÒØÔÓ×ØÙÐÐÜ×ØÒÙÒØÖÓ×Ñ ×ØÖÚÒØÐÓÙÚÖØÙÑ×ÓÒJ/ψØÐÐÙ<br />

ÙÑÓÐÙÑÒÑÙÑØÖÓ×ÑÐÐ×ÕÙÖ××ØÐÖÖÒÑÒØÕÙÓÒ ØÖÓÙÚÒÓÖÒ×ÐÑÓÐ×ØÒÖØÙÐÚÐ×ØÖÓ×ÓÙÐØ× ÖÖÔÔЧÁÐ×ÓÒØÑÓÒØÖÕÙØÑÒÑÒØÑÔÐÕÙÐÜØÒ×ÓÒ ÐÔØÓÒτ<br />

ÔÖÑØÖÐÒÐθC)Ó<br />

×ØÓØÒÙ×ÐÓÖ×ÙÑÓÝÒÙÒÑØÖÙÒØÖ3×3ÔÖÑØÖ×<br />

ÄÑÐÒ×ØØ×ÒÖÙÖ×ÖÐ×ÙÔÖÚÒØÔÖÐÑØÖÙÒØÖ2×2<br />

ÂÂÙÖØØÐÈÝ×ÊÚÄØØ Ô×ÕÙÓÒÔÔÐÐÑØÖÓÃÓÝ×Å×ÛØÕÙÓÒÔÙØ ØÂÙÙ×ØÒØÐÈÝ×ÊÚÄØØ ÒÐ×<br />

Ô×ÔÙØØÓÙÓÙÖ×ØÖ×ÓÖÚÙÒÑØÖ2×2ÒÜÔÐÓØÒØÐ×ÓÒØÖÒØ×ÙÒØÖØ ØÒÖÒ××ÒØÐÔ×ÙÒØØÕÙÖ ÅÃÓÝ×ÃÅ×ÛÈÖÓÖÌÓÖÈÝ× ÁÐÙØÖÒÖÓÑÔÐÜÙÒ×ÐÑÒØ×ÐÑØÖÚÙÒØÖÑÔ×ØØ <br />

<br />

←→ K 0ÐÐÙÐ×ØÔÐÙ×ÓÑÔÐÕÙÕÙ××Ù×ÔÖ<br />

<br />

u<br />

d ′<br />

<br />

c<br />

s ′<br />

MC =<br />

t<br />

b ′<br />

cosθC sin θC<br />

− sin θC cosθC


ÖÖ×ÓÙ×ÐÓÖÑ ⎛<br />

MCKM =<br />

⎜<br />

⎝<br />

c12 c13 s12 c13 s13e −iδ13<br />

ÒÜ×ÑÐÐ×ÒÖØÓÒ×<br />

δ13Ô×0 ≤<br />

−s12c23 − c12s23s13e iδ13 c12c23 − s12s23s13e iδ13 s23c13<br />

s12s23 − c12c23s13e iδ13 −c12s23 − s12c23s13e iδ13 c23c13<br />

⎠ ⎞<br />

⎟<br />

Úcij cos θijsij = sin θij0 ≤ θij ≤ π<br />

j 2<br />

Ò×ÐÖØØÜØÒ×ÓÒÐÓÙÖÒØÐÖÕÙ×ÖÚØ<br />

0ÓÒÖØÖÓÙÚÓÑÑ×ÓÙ×Ò×ÑÐÐ×<br />

i,<br />

δ13 ≤ 2π<br />

→ ÆÓØÓÒ×ÕÙÐÐÑØθ13Øθ23 ÐÑÒØ×ÐÑØÖÓÒÒØÒØθ12θC<br />

j +µ<br />

W = (u c)γµ (1 − γ 5 ÚÒØ<br />

<br />

d<br />

)MC<br />

s<br />

j +µ<br />

W = (u c t)γµ (1 − γ 5 <br />

ØÖÓ×ÕÙÖ×ÒÖÙÖ×ÇÒÔÙØÓÑÑÓÑÒØ×ÖÔÔÐÖÐ×ÓÙÔÐ×ÑÔÐÕÙ× ÁÐÓÒÒÐÙÙÒÑÒ×ÑÁÅÒÖÐ×ÙÜØÖÓ×ÕÙÖ××ÙÔÖÙÖ×ØÙÜ<br />

⎛ ⎞<br />

Ò×Ð×ÐÑÒØ×MCKMÒÖÚÒØ<br />

d<br />

)MCKM ⎝ s ⎠<br />

b<br />

⎛<br />

d<br />

⎝<br />

′<br />

s ′<br />

b ′ <br />

⎞ ⎛<br />

⎞ ⎛ ⎞<br />

ÑØÖ×ØÙÒØÓÒ×ÖÐÐÕÙÐÐÓÒØÖÚÐÐÒÓÖÖÖÔÄ<br />

Vud Vus Vub d<br />

⎠ = ⎝ Vcd Vcs Vcb ⎠ ⎝ s ⎠<br />

ØÐÈÜÔÓ×ÒØÐÐ××ÓÙÖ×ÒÓÖÑØÓÒ×ÙØÐ××Ä×ÐÑÒØ×Ð ÖØÒ×ÐÑÒØ×VijÔÙÚÒØØÖÖÒÙ×ÓÑÔÐÜ×ÔÖÐÓÜÙØÖÑ<br />

ÔÖÑÖÐÒØÐØÖÓ×ÑÓÐÓÒÒÕÙÓÒØØØÖÑÒ×ÖØÑÒØÔÖ<br />

Vtd Vts Vtb b<br />

ÓÒØÖÒØ×ÙÒØÖØÔÖÑØØÒØÑÐÓÖÖÐÓÒÒ××ÒÐÑÒØ×ÔÓÙÖ ×ØÐÓÖÑÖÓÑÑÒÒ×ÐØÐÈØÙÐÐÓÒØÖÓÙÚÙØÖ×ÓÖÑ×ÕÙÚ 1× ≃ ÐÒÐÝ×ÔÖÓ××Ù××ÒØÖØÓÒÓÒØÙÒÓÖÑ×ÑÔÐÖc13<br />

Ô×e ±iδ13ÄØÖÑÒØÓÒÜÔÖÑÒØÐ×ÖÒØ×ÐÑÒØ×<br />

ÐÒØ×Ò×ÐÐØØÖØÙÖÒØÖÙØÖ×Ò×ÐÖØÐÓÖÒÐÃÓÝ×ØÅ×Û


Ð×ÕÙÐ×ÓÒÑÒÕÙÒÓÖÑ×ÙÖ×ÖØ×ÔÖ××ÄÑÐÐÙÖ×ØÑØÓÒ Ä×ÓÖÖ×ÖÒÙÖÖØÒÖ×ÓÒØ ÄØÐÈÓÒÒÐ×ÒØÖÚÐÐ×ÓÒÒ ØÙÐÐ×ØÙÐÔ×Ò×Ð×ÐÑØ×δ13 =<br />

| ×ÙÖÐ×ÚÐÙÖ×|Vij<br />

ÄÖÐØÓÒÒØÖÐØÙÖÔ×e ±iδ13ØÐÚÓÐØÓÒÈÔÙØ×ÓÑÔÖÒÖ Ò×ÒØÖÖÒÙØÓÖÑȨ̀ØÙÜÔÖÓÔÖØ×ÐÓÔÖØÙÖÌ ÚÓÐØÓÒÌÒØÖÒÐÚÓÐØÓÒÈØÖÔÖÓÕÙÑÒØÊÔÔÐÓÒ×ÙØÖ ÔÖØÕÙÐÓÔÖØÓÒÌÓÒ××ØÒ×ÐÒ×ØØ×ÒØÐØÒÐÓÑÒ<br />

§ÊÔÔÐÓÒ×ÕÙÐÒÚÖÒÐÑÐØÓÒÒ×ÓÙ×ÈÌÑÔÐÕÙÕÙÐ<br />

ÓÑÔÐÜ××ÓÒØÑÓ××ÓÙ×ÐÓÔÖØÓÒÌØÈ ÕÙ×ÖÔÖÙØ×ÙÖÐ×<br />

ÐÖÓÖÒÕÙÖ×ØÔÖ×ÒØÑÒØÑÝ×ØÖÙ× ÖÒ×ÒÑÒØ×ÙÖÐÓÖÒÐÚÓÐØÓÒÈÒ××ÔÖÓ××Ù×ÓÙÖÒØ ÓÙÖÒØ×ÓÖÖ×ÔÓÒÒØ×ØÐÑÔÐØÙØÖÒ×ØÓÒ ØØÔÔÖÓ×Ø××ÒØÐÐÑÒØÔÒÓÑÒÓÐÓÕÙÐÐÒÓÙÖÒØÔ× ÐÓÔÖØÓÒÓÒÙ×ÓÒÓÑÔÐÜËÐÔ×δ13 = 0Ð×ÐÑÒØ×Vi,j<br />

⎛<br />

0.975 0.22<br />

⎞<br />

0.003<br />

| Vij |= ⎝ 0.22 0.974 0.04 ⎠<br />

0.01 0.04 0.999<br />

<br />

1.02 ± 0.22ÖÒ


ÄÒØÖØÓÒÓÖØÐÑÓÐ×ÕÙÖ×Ø<br />

ÐÑÒØ×ÖÓÑÓÝÒÑÕÙÕÙÒØÕÙÉ<br />

ÙÒÑÓÐ×ØØÕÙ×ÕÙÖ×ÄÙØØØÜÔÐÕÙÖÐÚÖØ××ÔØÖ× ÙÔØÖÓÒÒØÔÐ×××ÕÙÔÖÑØØÒØÓÒ×ØÖÙÖ ÁÒØÖÓÙØÓÒ<br />

ÖÓÒ×ÓÒÒÙ×ÚÒØÐÑ×ÒÚÒ×ÖÓÒ×ÖÑ×Ð×ÖÓÒ× ÚÒØØÐ××××ÙÖÐ×ÐÙÖ×ÔÒÔÖØJ PÒÓØØ×ÒÓÒØ×ÙÔÐØ× ÐÝÔÖÖ ÙÖ× I3ÓI3×ØÐØÖÓ×ÑÓÑÔÓ×ÒØ I3ÓY×Ø<br />

ÐÓÑÔÓ×ÒØÑÒ×ÐÐÑØÙÒÔÖØ×ÝÑØÖ×Ó×ÔÒÓÒÙÖØ<br />

u−dØd−d×ÓÒØÐ×ÑÑ××ÐÓÒ×ØÚ<br />

Ò×ÐÔÐÒS − Ð×Ó×ÔÒS×ØÐØÖÒØÐØÖÒØÚÑÒØÒ×ÐÔÐÒY −<br />

ÕÙÖuØÐÕÙÖdÓÒ×ØØÙÒØÐ×ÐÑÒØ××ÇÒÚÚÐÓÔÔÖ× Ä×ÝÑØÖ×Ó×ÔÒ×ØÖØÔÖÐÖÓÙÔ×ÔÐÙÒØÖËÍ Ø ÓÒØÐ<br />

≃ ÇÒÚÙÕÙÓÒÔÙØ××ÓÖÐÓÒ×ÖÚØÓÒÐ×Ó×ÔÒÙØÕÙmu ØÙØÕÙÐ×ÒØÖØÓÒ×u−u<br />

Ò×ÐÔÖÓÒÔÖÖÔÄÓÒØÓÒÙÕÙÖsÑÒËÍ ÙÖÓÙÔËÍ ×ÚÙÖÔÓÙÖÐ×ØÒÙÖÙÖÓÙÔËÍ ÓÙÐÙÖÒ× ÓÒÔÖÐ<br />

mπ<br />

ÙÒØÖ ÓÒÙØÐ×ÐØÖÑ×ÝÑØÖ×ÔÒ<br />

ØÖÓ×ÕÙÖ×ØÖÓ×ÒØÕÙÖ×××ÑÐÐ×ÙÜÖÝÓÒ××ÓÒØÓÖÒ××Ò ÕÙÖ××ÑÐÐ×ÙÜÑ×ÓÒ×ÓÖÑÒØ××ÒÙÐØ×Ø×ÓØØ×Ð×ØØ×Ð× ×ÒÙÐØ×ÓØØ×ØÙÔÐØ×Ä×ÔÖÓÔÖØ×ÖÓÙÔÔÖÑØØÒØÜÔÐÕÙÖ Ò×ÐÖ×ÖÔÖ×ÒØØÓÒ×ÙÖÓÙÔËÍ Ð×ØØ×Ð×ÒØÕÙÖ ÐÒÖÐ×ØÓÒËÍÆÓÆ><br />

ÖÖÐ×ÔÒØÐÑÓÑÒØÒÙÐÖÓÖØÐ×ÕÙÖ×ÓÑÑÒØÖ×ÔØÖÐ×ØØ× ÐÐ××ØÓÒÑÒØÓÒÒ××Ù× Ò×ØØÔÔÖÓÓÒÖÒÓÒØÖÖØÒ×ÔÖÓÐÑ×ÔÜÓÑÑÒØÒÓÖÔÓ<br />

ÐÓÒØÜØÙÑÓÐ×ÕÙÖ×ÙÒØØÔÙÖ×ØÖÔÖ×ÒØÔÖÐÙÒ×ÚØÙÖ× ÄÖÔÖ×ÒØØÓÒÓÒÑÒØÐËÍ ËÍ ×Ó×ÔÒÐ×ÝÑØÖ×Ó×ÔÒ ×ØÐÐÙÓÙÐØ×ÔÒ Ò×<br />

> ØÕÙÖÑÓÑÑÒØØÒÖÓÑÔØÐÖ×ÙÖÐ×ÝÑØÖms<br />

×<br />

ÖÙÖ×ËÍ ÆÓØÓÒ×ÕÙÙÒÖÔÖ×ÒØØÓÒÔÙØÒÔ×ØÖÖÐÐÑÒØÓÙÔÔÓÙÖ×Ö×ÓÒ×ÜØ ÈÖÜÑÔÐÐ×ÒÙÐØËÍ <br />

<br />

|u〉 Ò×ØÔ×ÓÙÔÔÖÐ×ÖÝÓÒ×J P +ÕÙ×ÜÔÐÕÙÒÖ×ÓÒÐÒØ×ÝÑØÖÐÙÖÓÒØÓÒÓÒØÓØÐ<br />

Ø3<br />

2<br />

mproton = mneutron<br />

<br />

1<br />

=<br />

0<br />

<br />

0<br />

|d〉 =<br />

1<br />

± = mπ0 md<br />

mu,d...<br />

= 1+<br />

2


ÓÐ×ÝÒØÜ <br />

ØÙÙÑÓÝÒÙÒÓÔÖØÙÖÙÒØÖU ÄÖÓØØÓÒÙÒÒÐθÙØÓÙÖÐÖØÓÒˆnÒ×Ð×ÔÐ×Ó×ÔÒ×Ø<br />

<br />

ξ<br />

Ò×Ð×Ð×ÓÓÙÐØÁ <br />

Ä×τi×ÓÒØÐ×ÒÖØÙÖ×ÙÖÓÙÔÐ×ÑØÖ×ÈÙÐ ÔÔÐÕÙU×ÙÖÐØØξÓÒÓØÒØÐØØØÖÒ×ÓÖÑ ËÐÓÒ<br />

ξ ′ ÈÜÒ×Ð×ÙÒÖÓØØÓÒÙØÓÙÖÐ×ÓÜÝÓÒÓØÒØÚÓÖ <br />

Ù×ÐÙÒØÖØUÐÒÓÖÑ×ØÓÒ×ÖÚ <br />

= Uξ<br />

<br />

ÄØÙÙÖÓÙÔ×Ø×ÓÙÚÒØÒÓÒ×ÖÒØÐØÖÒ×ÓÖÑØÓÒÒÒØ×ÑÐ<br />

ÑØÖ×ÈÙÐ ÄÙÒØÖØÑÔÓ×ÕÙÐ×ÒÖØÙÖ××ÓÒØØÖÒÙÐÐ×ØÒÐ××<br />

ÔÖÑÔÖ ÔÐÙ×Ð×ÖÓØØÓÒ×ØÓÒÐ×ÒÖØÙÖ×ÒÓÑÑÙØÒØÔ×ÕÙ×Ü<br />

×ØÕÙÓÒÔÔÐÐÙ×ÙÐÐÑÒØÐÐÖËÍ<br />

ÌÖ(τi) =<br />

ÈÖÜÑÔÐ Ò×Ð×Ð×Ó×ÔÒÓÒÐ××ÒÒÖÐÑÒØÔÖÐ×ÐØØÖ×τ τi<br />

<br />

u<br />

=<br />

d<br />

| ξu | 2ÐÔÖÓÐØÕÙÐÕÙÖ×ÓØØÝÔu<br />

<br />

U =⇒ UI(ˆnθ) = exp{−iI · ˆnθ}<br />

U1 (ˆnθ) = exp{−i<br />

2<br />

1<br />

2 τ · ˆnθ} <br />

ξ ′ <br />

′ u<br />

=<br />

d ′<br />

<br />

cosθ/2 − sin θ/2 u<br />

=<br />

sin θ/2 cosθ/2 d<br />

(ξ ′ ) † (ξ ′ ) = ξ † U † Uξ = ξ † <br />

ξ<br />

ξ ′ = ξ + δξ = (1 − iδθI · ˆn)ξ =⇒ (1 − i<br />

1<br />

I= 2<br />

1<br />

2 τ · ˆnδθ)ξ <br />

<br />

0<br />

[Ii, Ij] = iεijkIkÓε123,231,312 = 1Øε213,132,321 = −1<br />

<br />

1<br />

2 τi , 1<br />

2 τj<br />

<br />

1<br />

= iεijk<br />

2 τk


Ä×ÓÔÖØÙÖ×I 2ØIzÔÖÑØØÒØÐ××ÖÙÒØØÐÐÙÖ×ÚÐÙÖ× ÔÖÓÔÖ×Ä×I±ÔÖÑØØÒØØÖÒ×ØÖÒØÖÐ×ØØ×ÑÑI 2 ÈÓÙÖÒÓØÖÜÑÔÐÚ <br />

τ1 =<br />

1<br />

0 1<br />

1 0<br />

<br />

u = 1<br />

<br />

, τ2 =<br />

1 0<br />

0 −i<br />

i 0<br />

1<br />

<br />

1 0<br />

, τ3 =<br />

0 −1<br />

2 τ3<br />

2 0 −1 0 0<br />

<br />

1<br />

2 τ3<br />

<br />

d = 1<br />

<br />

1 0 0<br />

=<br />

2 0 −1 1<br />

1<br />

<br />

0<br />

= −<br />

2 −1<br />

1<br />

2 d<br />

τ± = 1<br />

2 (τ1 ÔÔÐÕÙÓÒ×ÙÜÚØÙÖ××<br />

<br />

0 1 0 0<br />

± iτ2)Óτ+ = , τ− =<br />

0 0 1 0<br />

<br />

0 1 1<br />

0 0 1 0<br />

ÍÒÓÔÖØÙÖ×ÑÖ×ØÐÙÕÙÓÑÑÙØÚØÓÙØÒÖØÙÖÙÖÓÙÔ<br />

τ+u =<br />

= 0 , τ−u =<br />

= = d<br />

0 0 0<br />

1 0 0 1<br />

<br />

0 1 0 1<br />

0 0 0<br />

τ+d =<br />

= = u , τ−d =<br />

= 0<br />

0 0 1 0<br />

1 0 1<br />

ÓÒÓÒÔÙØÓÒ×ØÖÙÖ×ØØ×ÔÖÓÔÖ×I 2ØÙÒIjÓÜÓÜ×ØÒ<br />

<br />

I3|I, I3〉 = I3|I, I3〉<br />

2 (I+I− + I−I+) + I 2 3 = 1<br />

2 {I+, I−} + I 2 <br />

3 ÈÓÙÖÙÒÖÔÖ×ÒØØÓÒÓÒÒIÐ×ÚÐÙÖ×ÔÖÓÔÖ×I 2×ÓÒØI(I 1)ÈÖ + ÜÑÔÐÓÒI 2 = 0ÔÓÙÖI= 0 1/2(1/2 + 1)ÔÓÙÖI = 1/2Ø<br />

<br />

= 1<br />

<br />

1<br />

2<br />

<br />

= 1<br />

2 u<br />

<br />

ÇÒÔÙØÚÖÖÕÙÒ×ËÍ ÐÓÔÖØÙÖI 2ÓÑÑÙØÚI1, I2ØI3<br />

[I 2 ÖI3 <br />

, Ij] = 0 Ij = 1, 2, 3<br />

I 2 Ò×ËÍ |I, I3〉 = I(I + 1)|I, I3〉<br />

ÐÓÔÖØÙÖ×ÑÖI 2ÚÙØ<br />

C ≡ I 2 = 1


Ð×ÕÙÖ×uØdÇÒÒØÐÖÔÖ×ÒØØÓÒ ÊÔÖ×ÒØØÓÒ× ÔÖ ±1/2ÔÖÑØÖÔÖ×ÒØÖ Ø2 Ä×ÓÓÙÐØI = 1/2Ú××ÔÖÓØÓÒ×I3<br />

Ù2ÔÖ ÈÓÙÖÐÔÖÒØÕÙÖ×Ð×ØÒØÖ××ÒØÒÖÐÖÔÖ×ÒØØÓÒÓÒÙ <br />

<br />

ØÚÑÒØÓÒÔÙØÑÓÒØÖÖÖÓÑÑÜÖÕÙÐÓÙÐØ<br />

<br />

2<br />

×ØÖÒ×ÓÖÑÔÖÖÓØØÓÒÒ×Ð×ÔÐ×Ó×ÔÒÓÑÑÐÓÙÐØ×ÕÙÖ× <br />

′ ×ØÙÒ×ØÙØÓÒÔÖØÙÐÖÙÖÓÙÔËÍ ÐÐÒ×ÖØÖÓÙÚÔ×ÚÐ× <br />

= Uφ<br />

ÓÖÑØÓÒÙÒØÖUÒ×Ð×ÔÖ×ÒØÙÒÖÓØØÓÒÒ×Ð×Ô×Ó×ÔÒØ ÇÒÚÙÙÔØÖÕÙ×ÐÓÒØ×ÙÖÙÒ×Ý×ØÑÔÝ×ÕÙÙÒØÖÒ× ÄÖ×ÙÖËÍ ×Ó×ÔÒ ÖÓÙÔ×ËÍÆÓN<br />

×Ð×Ý×ØÑØÖÒ×ÓÖÑÒÔÙØÔ×××ØÒÙÖÙ×Ý×ØÑÒØÐÐÓÖ×<br />

><br />

Ð×Ó×ÔÒ ØÖÔÖÓÕÙÑÒØÐÓÒÙØÙÒÐÓÓÒ×ÖÚØÓÒ××ÓUÈÓÙÖ<br />

×Ý×ØÑ×ÓÒØØ× ÑÔÐÕÙÐÓÒ×ÖÚØÓÒÐ×Ó×ÔÒÁÒÚÖ×ÑÒØÓÒÔÙØÑÔÖÑÖÙÒÖÓØØÓÒ Ù×Ý×ØÑÒ×Ð×ÔÐ×Ó×ÔÒ×Ò×ÕÙÐ×ÔÖÓÔÖØ×ÒÖØÕÙ× ÓÔØÐÓÒÚÒØÓÒÓÒÓÒËÓÖØÐÝÒ×ÐÐØØÖØÙÖÓÒØÖÓÙÚÙ××ÐÓÒÚÒØÓÒ ÄÓÔÖØÓÒÓÒÙ×ÓÒÖÒØÖÓÙØÙÒØÙÖÔ×ÖØÖÖÆÓÙ×ÚÓÒ×<br />

[H,<br />

ξ = ( u d )<br />

φ<br />

ÓÔÔÓ×2 ≡<br />

<br />

−d<br />

u<br />

<br />

=<br />

<br />

u<br />

2 ≡<br />

d<br />

2<br />

<br />

d<br />

≡<br />

−u<br />

<br />

d<br />

φ =<br />

−u<br />

<br />

<br />

[H, U] = 0<br />

I] = 0


ÈÖÜÑÔÐÑÒÓÒ×ÙÒÕÙÖ×ÓÐ×ØÙÖÔÓ×<br />

〈q|H0|q〉 = mq =Ñ××ÙÕÙÖq<br />

ËÐÓÒØÙÒÖÓØØÓÒÒÐδθÒ×Ð×Ô×Ó×ÔÒÓÒÓØÒØÐØØØÖÒ× ÓÖÑq ′<br />

Å× |q<br />

〈q<br />

0ÓÒÙØÕÙ ÓÒ×[H0, I] =<br />

〈q ′ |H0|q ′ 〉 = mq ′ = 〈q|H0|q〉 ÓÒ×ÖÓÒ×ÑÑÙÒ×Ý×ØÑÕÙÖ{q}ÒÒØÖØÓÒÒ×ÐØØ×Ó×ÔÒ<br />

I3〉ËÐÀÑÐØÓÒÒÕÙÖØ×Ý×ØÑÓÑÑÙØÚIÓÒÓØÒØÐÑÑ <br />

= mq<br />

H0ÓÒÒÐÑ××Ù<br />

|I, ÒÖÔÓÙÖØÓÙ×Ð×ÑÑÖ×ÙÑÙÐØÔÐØ×Ó×ÔÒ|I, −I〉,<br />

ÈÖÜÑÔÐÔÓÙÖÐ×ØØ×ÖÙÔÓÒÓÒÔÖØÕÙ<br />

ËÐ×Ý×ØÑ×ØÙÖÔÓ×Ò×ÐÐÓÖØÓÖH =<br />

ÕÙ ÓÒÒÓÒ×ÙÒÓÒØÖÜÑÔÐÓÒ×ÖÓÒ×ÐÓÔÖØÙÖÖÐØÖÕÙQØÐ<br />

|Ò×ÑÐÔÖØÙÐ×〉 ÒÒÖÐ<br />

Q|Ò×ÑÐ×ÔÖØÙÐ×〉 =<br />

[Q,<br />

′ <br />

〉 = U|q〉 ≈ (1 − iI · ˆnδθ)|q〉 ′ |H|q ′ ÓÖ<br />

〉 ≈ 〈q|(1 + iI · ˆnδθ)H(1 − iI · ˆnδθ)|q〉<br />

(1 + x)H(1 − x) = H + xH − Hx + O(x 2 ÕÙÓÒÒ<br />

)<br />

〈q ′ |H|q ′ 〉 = 〈q|H|q〉 + 〈q|[H, I]|q〉 + O(δθ 2 <br />

)<br />

|I, −I + 1〉, ..., |I, +I〉<br />

×Ý×ØÑ{q}ØØÓÙ×Ð×ÑÑÖ×ÙÑÙÐØÔÐØÓÒØÐÑÑÑ×× <br />

〈I, −I|H|I, −I〉 = 〈I, −I + 1|H|I, −I + 1〉 = ... = 〈I, +I|H|I, +I〉<br />

mI(I3 = −I) = mI(I3 = −I + 1) = ... = mI(I3 = +I)<br />

m(π + ) = m(π 0 ) = m(π − ),×Ð×ÝÑØÖ×Ó×ÔÒ×ØÔÖØ<br />

<br />

Ò×ÑÐÖ×<br />

<br />

<br />

I] = 0


ØÐ×ÑÑÖ×ÙÒÑÑÑÙÐØÔÐØ×Ó×ÔÒÓÒØ×Ö×ÖÒØ×<br />

Q|π + 〉 = +1|π + 〉 Q|π − 〉 = −1|π − 〉 Q|π 0 〉 = 0|π 0 〉<br />

ÙÒÓÒÒÖÐ×ÙÒØÖÑÐÀÑÐØÓÒÒÓÒØÒØÐÖÐØÖÕÙ ØÀÑÐØÓÒÒÔÙÒØÖÒÚÖÒØ×ÓÙ×Ð×ØÖÒ×ÓÖÑØÓÒ×Ò×<br />

ÓÒ× Ð×Ô×Ó×ÔÒ×ØÐ×ÙØÖÑÕÙÜÔÖÑÐÒØÖØÓÒÑHem<br />

ÖØÐ×Ý×ØÑ{q}ÒÒØÖØÓÒÓÒ <br />

∝<br />

Q1Q2<br />

ØÐ×Ó×ÔÒ×ØÙÒ×ÝÑØÖÖ×ÔÖÐÒØÖØÓÒÑÈÖÜÑÔÐÐÑ×× <br />

Hint<br />

ÕÙÔÙØ×Ô××ÖÒ×{q}ÓÒ×ÖÓÒ×Ð×ÖÒ×Ñ××Ò×Ð× ×Ý×ØÑ×ÙÔÓÒØÙÓÒ ×ÙÜÔÓÒ×Ö×ÖÕÙÐÕÙ ÇÒÔÙØÖÖÕÙÒØÖØØÖ×ÙÖ×ÝÑØÖÈÓÙÖÓÒÒÖÙÒ ÐÑ××ÙÔÓÒÒÙØÖ<br />

ÈÓÙÖÐ×Ý×ØÑÙÔÓÒ<br />

ØØÖÒÔÙØØÖÙÖÒØ×ÓÒØÖÙØÓÒ× <br />

×ÓÒØÐ×Ö××ÙÜÕÙÖ××ØÒÑÓÝÒÒ〈R〉<br />

δud<br />

Ò×Ð×ÔÓÒ×ÐÓÒØÖÙØÓÒ×ØÒÙÐÐÖÓÒÓÒ×ÖÕÙÒ ÓÐ×µi×ÓÒØÐ×ÑÓÑÒØ×ÑÒØÕÙ×ØmiÐ×Ñ××××ÕÙÖ×<br />

ÐÒØÖØÓÒÐØÖÓ×ØØÕÙÔÖÓÔÓÖØÓÒÒÐÐQ1Q2/〈R〉ÓQ1ØQ2 ÐÒØÖØÓÒÑÒØÕÙÔÖÓÔÓÖØÓÒÒÐе1, µ2 ÑÓÝÒÒÙÓÙÖ×ÙØÑÔ×ÐÓÒØÒÙÒÕÙÖuØd×ØÒØÕÙÔÓÙÖπ ± Øπ 0ÇÒÔÙØÒÐÓÖÐÓÒØÖÙØÓÒ Ä×ÓÒØÓÒ×ÓÒ×ÔÓÒ××ÓÒØÚÓÖÔÐÙ×ÐÓÒ Ò×ÕÙÚÒØÙÒØÖÑØ ÔÓÙÖÐ×ÓÒØÖÙØÓÒ×∝ Q1Q2<br />

π + Ø ≡ du 0 ≡ 1 Ä×ÚÐÙÖ×ÔÖÓÔÖ×Q×ÓÒØÜÔÖÑ×ÒÙÒØÐÖÙÔÓ×ØÖÓÒ <br />

<br />

√ (uu − dd)<br />

2<br />

= md − mu<br />

= HIF + Hem<br />

[Hint, I] = [HIF, I] + [Hem, I]<br />

<br />

δπ = m π + − m π 0 = 4.6ÅÎ<br />

π<br />

0<br />

= 0<br />

∝ Q1<br />

Q2<br />

m1 m2


ÐÙÐÓÒ×Ð×ÔÖÒÑØÑØÕÙQ1Q2<br />

〈π + |Q1Q2|π + 〉 = du <br />

Q1Q2 ÄÓÒØÖÙØÓÒ×ØÓÒÒÔÖ ×ÓÒØÓÖØÓÓÒÙÜ ÊÔÔÐÓÒ×ÕÙÐ×ØØ×|uu〉Ø dd<br />

ÔÖ ÓÒÓØÒØ〈R −1 ÓÒ×ÖÓÒ×ÑÒØÒÒØÐ×Ý×ØÑÙÓÒ<br />

ÐÖ× Ò××ÓÒÙÒÓÒØÖÙØÓÒ ÖÓÒÙÒÓÒØÒÙÖÒØÒÕÙÖ× <br />

K<br />

<br />

<br />

2 1<br />

<br />

du = + du <br />

2<br />

du =<br />

3 3 9<br />

〈π0 |Q1Q2|π0 〉 = 1 <br />

<br />

uu − ddQ1Q2uu − dd =<br />

2<br />

1 <br />

〈uu|Q1Q2|uu〉 +<br />

2<br />

dd <br />

<br />

Q1Q2 <br />

1<br />

dd + 0 + 0 = −<br />

2<br />

4<br />

<br />

1<br />

− = −<br />

9 9<br />

5<br />

18<br />

π + 2<br />

:<br />

9 〈R−1 〉π, π 0 : − 5<br />

18 〈R−1 〉π<br />

<br />

2 5<br />

δπ = + 〈R<br />

9 18<br />

−1 〉π = 1<br />

2 〈R−1 〉π<br />

〈R−1 〉×ØÙÒÔÖÑØÖØÖÑÒÖÜÔÖÑÒØÐÑÒØÐδπÓÒÒ<br />

9.2ÅÎ<br />

〉π =<br />

δK = mK + − mK0 = −4ÅÎ<br />

ÓÒ<br />

+ Ñ×××mu ms md + ms<br />

<br />

δK<br />

ËÐÓÒÑØÕÙ〈R −1 ×ÓÒØÐ×ÓÖÖ×ÖÒÙÖ×ÄÑÑÔÔÖÓÔÓÙÖÐ×ÖÝÓÒ×ÓÒÒÐ×<br />

〉ØÅÎ <br />

<br />

×ØÑØÓÒ×δud = 4ÅÎØ〈R ÊÔÔÐÓÒÔÓ×c = 1<br />

Q1Q2 = 2<br />

3<br />

+ : su K 0 : sd<br />

1<br />

3<br />

= 2<br />

9<br />

−1<br />

3<br />

1<br />

3<br />

= −1<br />

9<br />

= mu + ms − md − ms + 2<br />

9 〈R−1 〉K − 1<br />

9 〈R−1 〉K<br />

= mu − md + 1<br />

3 〈R−1 〉K<br />

〉K ≈ 〈R−1 9.2ÅÎÓÒÓØÒØ<br />

〉π =<br />

−4 = mu − md + 1<br />

3 9.2 ; δud 7ÅÎ = md − mu ≃<br />

−1


ÊÔÖ×ÒØØÓÒÑÒ×ÓÒ ËÍ1ÐÐ×ØÙØÐÔÓÙÖ ×Ó×ÔÒ ØØÖÔÖ×ÒØØÓÒÓÒÖÒÔÖÜÐ×ÓØÖÔÐØI = ÖÖÐ×Ý×ØÑ×ÔÓÒ×π + Ä×ÒÖØÙÖ××ÓÒØ <br />

⎠<br />

ØÙÒØÐÔÖÓÙØÖØ 1ÔÙØ×ÙÖÐÖÔÖ×ÒØØÓÒÓÒÑÒØÐ Ò ÄÖÔÖ×ÒØØÓÒI =<br />

ÓÖÑ×ÔÖÐÓÙÔÐ×ÙÜ×ÔÒÙÖ×ψØφÐÓÖ×ÐÖÓØØÓÒRÓÒÒ ÇÒÔÙØÑÓÒØÖÖÜÖÕÙÐÓÖÑ×ÒÖØÙÖ××ØÓÖÒØ<br />

(ψ⊗φ)0,1Ò××ÒØÐ×ØØ××ÒÙÐØØØÖÔÐØ<br />

1 ÜÔÖÑÒØÖÑ×ÑÒ×ÓÒ×ÔÖÓÙØ×ÖØ2 ⊗<br />

ÊÓØØÓÒ××ÔÒÙÖ× <br />

= Ú×Ú×ÒØ×Ψ0,1<br />

( 1<br />

2 ×ÑØÖÈÙÐ<br />

, π0 , π−ÖÔÖ×ÒØÔÖÐ× <br />

⎛ ⎞ ⎛ ⎞ ⎛ ⎞<br />

1 0 0<br />

⎝ 0 ⎠ , ⎝ 1 ⎠, ⎝ 0 ⎠<br />

0 0 1<br />

I1 = 1<br />

⎛ ⎞<br />

0 1 0<br />

√ ⎝ 1 0 1 ⎠ , I2 =<br />

2<br />

0 1 0<br />

1 ⎛ ⎞ ⎛ ⎞<br />

0 −i 0 1 0 0<br />

√ ⎝ i 0 −i ⎠ , I3 = ⎝ 0 0 0<br />

2<br />

0 i 0 0 0 −1<br />

1<br />

⊗<br />

2 2 = 0 ⊕ 1 <br />

2 = 1 ⊕ 3<br />

Ψ ′ 0,1 = U ↑ Ψ0,1 ≡ (U ↑ ψ ⊗ U ↑ φ)0,1 = (ψ ′ ⊗ φ ′ )0,1<br />

ψ = ÉÑÓÒØÖÖÕÙ×ÐÓÒÙØÐ×∼ 1 ⎛ ⎞<br />

⎛ ⎞<br />

−a + c<br />

a<br />

√ ⎝ i(a + c) ⎠ÐÔÐψ= ⎝ b ⎠ ,<br />

2<br />

b<br />

c<br />

: ÓÒÓØÒØRθ ∼<br />

ψ ↦→ ∼<br />

ψ ′<br />

= R(−θ) ∼ ÓÑÑÒØÓÒ×ØÖÙØÓÒÐ×ÓÒØÓÒ×ÓÒΨ0,1ÒÙØÖ×ØÖÑ×ÓÑ<br />

uØdÓÒÖ×ÔØÖÐÐÖËÍ <br />

ψ,ÚÊÐÑØÖÖÓØØÓÒÒ×Ê3 ÑÒØÖÖÒÖÜØÑÒØu, d,<br />

ÓÒ×ÖÓÒ×ÙÒ×Ý×ØÑqqÑ×ÓÒ 2 ⊗2Ò×Ò×ÔÖÒØ××Ý×ØÑ×


×ÔÒ ÓÒ ØØ×ÒÙÐØ≡ 1 <br />

<br />

√ dd + uu = |0, 0〉<br />

2<br />

⎧ <br />

du = |1, 1〉<br />

ÉÚÖÖÕÙÐ×ØØ×ÙØÖÔÐØÓÒØÐÑÑ×ÝÑØÖÚ×Ú×ÐÒ<br />

⎪⎨ <br />

1√ dd − uu = |1, 0〉 ØØØÖÔÐØ≡ 2<br />

⎪⎩<br />

|−ud〉 = |1, −1〉<br />

u ↔ −d, u ↔ d ÄÓÒ×ØÖÙØÓÒ×ØØ××ØÒÓÒ×ÖÒØÙÒØØÜØÖÑ(| I3 |= I)<br />

I−|I, I3〉 = <br />

I(I + 1) − I3(I3 − 1) |I, I3 − 1〉<br />

I+|I, I3〉 = I(I + 1) − I3(I3 + 1) |I, I3 + 1〉 ÚÐ×ÒØÓÒ×ÙÓÙÐØ( u d ) ÓÒ<br />

I+|d〉 = [ 3 1 + 4 4 ]12<br />

|u〉 = |u〉<br />

I+|u〉 = −I+|−u〉 = −1 <br />

d = −d<br />

<br />

I+|u〉 = I+ d <br />

⎫<br />

⎪⎬<br />

I+ÒØÒÒØÓÑÔØ×ÖÐØÓÒ× ÔÖØÖ|−ud〉ÓÒÔÙØÓÒ×ØÖÙÖÐÒ×ÑÐÙØÖÔÐØÔÖÔÔÐØÓÒ<br />

⎪⎭<br />

= 0 ×ÖÐØÓÒ×ÒÐÓÙ×ÔÙÚÒØ×ÖÖÔÓÙÖI−<br />

I+|1, −1〉 = √ 2|1, 0〉<br />

I+|1, 0〉 = √ <br />

⎫<br />

ÁÑÔÓÙÖÐØØ×ÒÙÐØ<br />

⎪⎬<br />

2|1, 1〉<br />

⎪⎭<br />

I+|1, 1〉 = 0<br />

<br />

<br />

I+|0, 0〉 = 0<br />

ØÒÔÔÐÕÙÒØÐ×ÓÔÖØÙÖ×I±×ÓÙ×ÐÒÒÜÚÓÖ <br />

ØÐÒØÓÙÐØ( d −u )


I I3 Q J PÒØ<br />

du 0 − π +<br />

√1 (dd − uu)<br />

2<br />

0− π0 −ud 0− π− √1 (dd + uu) 0<br />

2 − ÌÊÔÖ×ÒØØÓÒ×ËÍ×Ó×ÔÒØ××ÓØÓÒ×ÔÓ××Ð×ÙÜÑ×ÓÒ× Ô×ÙÓ×ÐÖ×ÒÓÒØÖÒ×ÓÒÒÙ×<br />

η<br />

ØÕÙ×ØÐÙÖ×××ÓØÓÒ×ÔÓ××Ð×ÙÜÑ×ÓÒ×Ô×ÙÓ×ÐÖ×ÒÓÒØÖÒ× É×ÙØÖÐ×××ÓØÓÒ×ÔÖÓÔÓ××Ò×ÐØÐÙ ÓÒÒÙ× ÄØÐÙÓÒÒÐ×ÖÔÖ×ÒØØÓÒ×ËÍ×Ó×ÔÒÐÙÖ×ÒÓÑÖ×ÕÙÒ<br />

×ÝÑØÖÕÙ×ÙÔÓÒØÚÙÐ×ÚÙÖ ÇÒÔÙØÓÒ×ØÖÙÖÐÑÒØÐ×ÓÒØÓÒ×ÓÒÙÜÕÙÖ×qqÒ<br />

3⊕1ÇÒÓØÒØÙÒØØÒØ×ÝÑØÖÕÙØØØ×<br />

<br />

ÔÔÐÕÙÒØÐ×Ñ2⊗2 =<br />

⎧<br />

1<br />

⎨ uu<br />

<br />

1<br />

√ (ud − du) √ (ud + du)<br />

2 ⎩ 2<br />

ÄÜØÒ×ÓÒÐ×ÝÑØÖ×Ó×ÔÒËÍ ËÍ Ð×ÝÑØÖÙÒØÖ Ð×ÝÑØÖÙÒØÖËÍ<br />

dd<br />

×Ø<br />

ÁÐ×ÒÓÖÖ×ÔÓÒÒØÙÙÒØØÐÓÒÒÙQ = 4/3, 1/3, −2/3 !<br />

ÐÐÒØÖÓÙØÓÒÒ×ÐÑÓÐ×ÕÙÖ×ÙÒØÖÓ×ÑÕÙÖsÔÓÖØÙÖ


ØÖÒØSÒÖ<br />

<br />

u<br />

doublet ξ =<br />

ÍÒØØÔÙÖ×Ø×ÐÓÖ×ÖÔÖ×ÒØÔÖÐÙÒ×ÚØÙÖ××<br />

d<br />

⎛ ⎞<br />

u<br />

triplet ϕ = ⎝ d ⎠ ⇐⇒ ×Ó×ÔÒI+ØÖÒØS<br />

s<br />

ÄÓÖ×ÙÒÖÓØØÓÒÒ×Ð×ÔÓÑÒ×Ó×ÔÒØÖÒØ×ÝÑØÖÙÒØÖ ÐØØφ×ØÖÒ×ÓÖÑÓÑÑ<br />

⎛ ⎞ ⎛ ⎞ ⎛ ⎞<br />

1<br />

0<br />

0<br />

|u〉 = ⎝ 0 ⎠ , |d〉 = ⎝ 1 ⎠ , |s〉 = ⎝ 0 ⎠<br />

0<br />

0<br />

1<br />

∈ËÍ φ<br />

U<br />

<br />

U = exp −θˆn · λ<br />

ËÍ Ò×ËÍ ÓÒÙØÒÖØÙÖ×ÖÔÖ×ÒØ×ÔÖÑØÖ×ÐÐÅÒÒ ÓÒÚØØÖÓ×ÒÖØÙÖ×ÖÔÖ×ÒØ×ÔÖÐ×ÑØÖ×ÈÙÐÒ×<br />

)Ú <br />

≡ exp (−θˆn · F шn =<br />

2<br />

⎛ ⎞ ⎛ ⎞ ⎛ ⎞<br />

⇐⇒ ×Ó×ÔÒI<br />

′ ×ØÙÒÑØÖ×ÙÒØÖØÕÙÐÓÒÔÙØÖÖ<br />

<br />

= Uφ<br />

8<br />

λ1 =<br />

λ4 =<br />

⎝<br />

⎛<br />

⎝<br />

⎛<br />

⎝<br />

0 1 .<br />

1 0 .<br />

. . .<br />

0 . 1<br />

. . .<br />

1 . 0<br />

. . .<br />

. 0 −i<br />

. i 0<br />

⎠ , λ2 = ⎝<br />

⎞<br />

⎛<br />

⎠ , λ5 = ⎝<br />

⎞<br />

0 −i .<br />

i 0 .<br />

. . .<br />

0 . −i<br />

. . .<br />

i . 0<br />

⎠ , λ8 = 1 √ ⎝<br />

3<br />

λ7 =<br />

= ÕÙÐÓÒÓÑÔÐØÚλ0 2 ÒÓÑÖÕÙÒØÕÙØÒÓØËØÖÒ×ÐÖÐØÓÒ <br />

⎛<br />

√ ⎝<br />

3<br />

⎛<br />

1 0 0<br />

0 1 0<br />

0 0 −2<br />

1 0 .<br />

0 −1 .<br />

⎠ , λ3 = ⎝ ⎠<br />

. . .<br />

⎞ ⎛<br />

. .<br />

⎞<br />

.<br />

⎠ , λ6 = ⎝ . 0 1<br />

. 1 0<br />

⎞<br />

⎠<br />

⎞<br />

1 0 0<br />

0 1 0 ⎠<br />

0 0 1<br />

⎠ <br />

ÒÔ×ÓÒÓÒÖÚÐ×ØØ××ÐÖÔÖ×ÒØØÓÒÑÒ×ÓÒËÍ


Ä×ÔÓÒØ×ÖÔÖ×ÒØÒØ×ÞÖÓ×Ð×ÓÒØÔÓÙÖÓØ×ÓÙÐÒÖÐÔÖ×Ò× ×ÓÙ×ÖÓÙÔ×ËÍ Ò×ËÍ ÒÔÖØÙÐÖ×ÓÒÐ××ØÐÓÑÔÓ×ÒØ ØÖÒsÐØØφ λ1,<br />

ÔÖÑØØÒØÒÒÖÖÐ×ÓÙ××Ô×Ó×ÔÒÐ×ÝÑØÖÙÒØÖ <br />

≡ I3 ÓÒÐ×ÓÔÖØÙÖ×ÐÐI±<br />

ÔÐÙ×ÐÓÒÚÐ×ÓÔÖØÙÖ×ÐÐ ÑÑÓÒÔÖÐÍ×ÔÒØÎ×ÔÒÓÒØÐ×ÒØÓÒÒØÙØÚÚÒÖ<br />

=<br />

Ø <br />

<br />

ÇÒÔÙØ×ÑÒØÚÖÖÐÖÐØÓÒÖB ÔÓÙÖÙÒ×ÕÙÖ× ÇÒ<br />

Y ÖÒÖØÓÒØÓÒÓÔÖØÙÖÝÔÖÖÓY =<br />

ÔÔÐÕÙÓÒ×ÙÜØØ×uØsÔÖÜÑÔÐ<br />

ÖØÒ×ÙØÙÖ×Ò××ÒØÐÜÎ3Ò×Ð××ÒÓÔÔÓ×ÐÙÓÔØÕÙ×ÖÔÖ<br />

SØØÒÙ× ÕÙÓÒÒÒÐ×ÚÐÙÖ×B +<br />

<br />

ÙØ×ÙÖÐÒØÓÒα ÖÔÔÐÙ××Y =<br />

S = −1ÔÓÙÖÐÕÙÖsØÔÓÙÖÐ×ÕÙÖ×uØdØÐÙ<br />

F1 = λ1<br />

λ2, λ3ÖÔÖ×ÒØÒØÐÔÖØ×Ó×ÔÒÙÖÓÙÔ<br />

2 ≡ I1 , F2 = λ2<br />

2 ≡ I2 , F3 = λ3<br />

2<br />

F1 ± iF2<br />

U± = F6 ± iF7 , V± = F4 ∓ iF5<br />

U3 = − 1<br />

2F3 <br />

3<br />

+ 4F8 , V3 = − 1<br />

2F3 <br />

3<br />

− 4F8 Y = 2<br />

√ F8 =<br />

3 2 ⎛<br />

1<br />

1 1<br />

√ √ ⎝<br />

3 3 2<br />

= 2<br />

√ F8<br />

3<br />

1<br />

−2<br />

⎞<br />

⎠ = 1<br />

3<br />

⎛ ⎞<br />

1<br />

Y |u〉 = Y ⎝ 0 ⎠ =<br />

0<br />

1<br />

⎛<br />

0<br />

|u〉 , Y |s〉 = Y ⎝ 0<br />

3<br />

1<br />

Bar. + Str.Ò×ÐÖÐØÓÒ<br />

⎛<br />

⎝<br />

S<br />

<br />

B +<br />

⎞<br />

1<br />

1 ⎠<br />

−2<br />

⎞<br />

⎠ = − 2<br />

3 |s〉


ÄÓÔÖØÙÖÖQ×ØÒÔÖ <br />

Q = 1<br />

2 Y + I3 → F8<br />

√3 + F3 = 1<br />

ÓÑÑÓÒ×ÝØØÒ <br />

⎠<br />

<br />

<br />

<br />

1/2<br />

<br />

−1/2<br />

<br />

1/2<br />

<br />

1/2<br />

<br />

1/2<br />

−1/2<br />

ÌÄ×ÓÒ×ØÒØ××ØÖÙØÙÖËÍ √<br />

3/2<br />

√<br />

Ð×f k dijk×ÓÒØ×ÝÑØÖÕÙ×<br />

ij×ÓÒØÒØ×ÝÑØÖÕÙ×Ð×<br />

ÙÖÓÙÔÇÒ×ÖÔÖÒØØÓÒ×IÑÒ×ÓÒ× Ò×Ð×ËÍ ×ÔÒ ÕÙ<br />

φ<br />

<br />

=<br />

⎛<br />

⎝<br />

2<br />

3<br />

− 1<br />

3<br />

− 1<br />

3<br />

⎞<br />

⎛<br />

1<br />

⎝<br />

6<br />

1<br />

⎞<br />

⎠ +<br />

−2<br />

1<br />

⎛<br />

1<br />

⎝<br />

2<br />

i j k fk ij i j k dijk i j k dijk<br />

fk ij = −fk ji dijk = djik dijk = djik<br />

1/ √ 3 1/2<br />

1/2 −1/2<br />

1/2 −1/2<br />

1/ √ 3 −1/(2 √ 3)<br />

−1/2 −1/(2 √ 3)<br />

1/2 −1/(2 √ 3)<br />

1/ √ 3 −1/(2 √ 3)<br />

1/2 −1/ √ 3<br />

3/2<br />

′ ×ÓÒØ×ØÖÒØ×ÐÐÖËÍ I)φÔÖÑØÐØÙ×ÖÔÖ×ÒØØÓÒ×<br />

= (1 − iθˆn ·<br />

[Ii, Ij] = iǫijkIk<br />

−1<br />

0<br />

⎞<br />


Ò×Ð×ËÍ ×Øφ ′ F)ÕÙÔÖÑØØØØÙÓ××ÒØ<br />

= (1 − iθˆn ·<br />

ÐÐÖËÍ <br />

[Fi, Fj] = if k ij Fk<br />

{Fi, Fj} = 1<br />

3 δij <br />

+ dijkFk Ä×f k ËÍ ×ÓÒØÓÒÒ×Ò×ÐØÐÙ Ò×ËÍ ijØdijk×ÓÒØÔÔÐ×Ð×ÓÒ×ØÒØ××ØÖÙØÙÖÙÖÓÙÔÐÙÖ×ÚÐÙÖ×Ò ØÓÔÖØÙÖ×ØÒÔÖ ÐÓÔÖØÙÖ×ÑÖØÒÔÖÐÖÐØÓÒ Ò×<br />

F 2 8<br />

≡ FiFi =<br />

i=1<br />

1<br />

2 {I+, I−} + I 2 1<br />

3 +<br />

2 {U+, U−} + 1<br />

2 {V+, V−} + F 2 <br />

ØØÓÒ×ËÍ Ä×ÖÔÖ×ÒØØÓÒ×ËÍ<br />

8<br />

ÇÒÖ×ÓÒÒÔÖÒÐÓÚËÍ ÊÔÔÐÓÒ×ÕÙÒ×ËÍ ÐØØ×Ó×ÔÒ<br />

↔ÒÕÙÐÐÑÒØ∈ÁÁ<br />

ØÖÑÑ×ÔÓ×ÙÖ ÈÖØÒØÐÖÔÖ×ÒØØÓÒÓÒÑÒØÐ 0Ø ÑÒ×ÓÒ×Ø ÔÖÐÖÑÑÓÑÔÓ×ØÓÒ Ñ 1ÐÖÑÑÓÒÒ ÓÒÔÙØÓÖÑÖÐ×<br />

I3 I − 1, I ÖÔÖ×ÒØØÓÒ×I= ÈÓÙÖI =<br />

ÚÒØ×ÙØÖÙÓÑÔÓÖØÑÒØF 2ÖÓÒ×ÓÒÖØ×ÖÐ×ÖÔÖ×Ò<br />

↔ÒÕÙÐÖÔÖ×ÒØØÓÒÒÙ I3〉 Ù×Ý×ØÑ×ØÒÔÖÐ|I, I<br />

−1/2 +1/2<br />

2 (<br />

)<br />

−1/2 +1/2<br />

2 2<br />

d u<br />

,<br />

=<br />

=<br />

representation<br />

ÖÑÑ×ÔÓ×ËÍ<br />

du ud<br />

ÐÓÖ×ÐØÓÒÙÜ×Ó×ÔÒ×<br />

pions<br />

fondamentale<br />

3 1<br />

+<br />

η<br />

I3 −1 −1/2 0 1/2 1<br />

ØØ×ÖÔÖ×ÒØ×ÙÜÜØÖÑØ×ØÙÒØÖÙ×ÑÒØÓÖÖ×ÔÓÒÒØÄ×<br />

<br />

Dim


ØØ×ÖÙÔÓÒ×ÓÒØÐ×ÒØ×ÔÓÙÖ×ØØ×ÔÝ×ÕÙ×Ù×Ý×ØÑ<br />

ÕÙÖÒØÕÙÖÈÓÙÖI= 0ÓÒØØÖÔÖ×ÒØÐÓÖÒI3ÄÑ×ÓÒη<br />

×ØÐÒØÔÓÙÖØØØÔÝ×ÕÙ<br />

d<br />

U 3<br />

1 2<br />

1<br />

2<br />

1<br />

2<br />

I 3<br />

1<br />

2<br />

1<br />

2<br />

I 3<br />

Ä×ÖÔÖ×ÒØØÓÒ×ÓÒÑÒØÐ×ËÍ ×ÚÙÖ3Ø3Ò×Ð×Ý×ØÑ<br />

u d<br />

s<br />

V V 3<br />

3<br />

ÈÓÙÖÙÒÖÔÖ×ÒØØÓÒÓÒÒÚÓÖÔÐÙ×ÐÓÒÐ××ÖÒÔÖÐ× Ò×ËÍ ÓÒØÖÚÐÐÒ×ÙÒ×ÔÓÑØÖÕÙÑÒ×ÓÒÒÐ ÒÒ Ü×I3, U3, V3<br />

ÖÔÖI3ØÐØÖÒØSÓÙÙ××ÔÖI3ØÐÝÔÖÖY = B + S<br />

√<br />

3<br />

F3 ≡ I3, F8 ≡<br />

2 Y ÜÑÔÐ <br />

π + ×ÒÕÙÐÔÓÒÔÓ×Ø×ØÐÑÑÖÐÓØØ×ÕÙÖ×udsÒ×ØÓØØ<br />

ÇÒØÖÓÙÚÙ××ØØÜÔÖ××ÓÒÖØ×ÓÙ×ÐÓÖÑ<br />

+1ÆÓØÓÒ×ÕÙÓÒÒÔÙØÔ×Ð××Ö Ø<br />

≡ |octet qq, I = 1, I3 = +1, Y = 0〉 ÐÓÙÔÐÔÓ×ØÓÒY = 0 I3 = ÐÒØÓÒI =<br />

π + ×ÑÙÐØÒÑÒØ ÄÑÒ×ÓÒÐ×Ô×ØÐÙÒÓÑÖÒÖØÙÖ×ÕÙÔÙÚÒØØÖÓÒÐ××<br />

<br />

<br />

<br />

<br />

≡ <br />

8,<br />

Y = 0,<br />

3, I3 = +1<br />

<br />

<br />

SU(3) SU(2) ÇÒÙØÐ×ÐÒÓØØÓÒËÍ×ÚÙÖÔÓÙÖÖÔÔÐÖÕÙÓÒ××ØÙÒ×Ð×ÔI3 − Y<br />

1 2<br />

F8)Ú ÒÓÑÖ×(I, I3, Y )ÓÙ(I, F3,<br />

3<br />

1 2<br />

1 2<br />

u<br />

1ÖÐÝÙÒÒÖ×Ò<br />

U 3<br />

1 2<br />

1 2<br />

3<br />

s<br />

1 2<br />

1 2


Ä×ÖÔÖ×ÒØØÓÒ×ÓÒÑÒØÐ×ËÍ×ÚÙÖ3Ø3ÔÙÚÒØ×ÜÔÖÑÖÖ ÇÒÔÙØÚÖÖÖÔÕÙÑÒØÕÙ<br />

V3ÙÖ ×ÓØÒ×Ð ÔÕÙÑÒØ×ÓØÒ×Ð×Ý×ØÑÜ×I3, U3, ×Ý×ØÑÜ×I3, Y<br />

d ( , , 0)<br />

3<br />

= B + SÙÖ<br />

u ( , 0 , )<br />

1 1<br />

1 1<br />

2 2<br />

2 2<br />

Y = B + S<br />

I 3<br />

0<br />

1 1<br />

I 3<br />

Ä×ÖÔÖ×ÒØØÓÒ×ÓÒÑÒØÐ×ËÍ<br />

1<br />

1<br />

2 2<br />

2 2<br />

1<br />

3<br />

1 1<br />

ÒØÖÔÖÒØ×× ×ÚÙÖÒ×Ð×Ý×ØÑ<br />

1 1<br />

u ( 2,<br />

0,<br />

2)<br />

d ( 2 , , 2 0)<br />

2<br />

1 1<br />

s (0,<br />

,<br />

3<br />

2 2)<br />

U3)ÓÙÐØÐÖÐ×ÓÔÖØÙÖ×<br />

Ü×I3, Y = B + SÐ×ÚÐÙÖ×I3, U3,<br />

I3 = −(V3 +<br />

<br />

V3 + U3 = − 1<br />

2 F3<br />

<br />

3<br />

−<br />

4 F8<br />

<br />

+ − 1<br />

2 F3<br />

<br />

3<br />

+<br />

4 F8<br />

V±ÓÒØÐØÓÒ×ÙÚÒØ <br />

<br />

= −F3 ≡ −I3 Ä×ÓÔÖØÙÖ×I±, U±,<br />

I3 + 1ØY → Y<br />

I3 − 1 2ØY → Y + 1<br />

I3 − 1 <br />

×ØÙØÓÒÔÖÖÔÔÓÖØÐÐÚÓÕÙ×ÓÙ×ËÍ ÙÒØÖÔÐØÒØÔÖØÙÐ×ØÐÐ×ÓÖØÕÙÐ×ØÖÒ×ÓÖÑÓÑÑÐØÖÔÐØ× ÔÖØÙÐ×ËÐÓÒÓ×ØÖÖÐ×ØÖÔÐØ×ÓÖÖ×ÔÓÒÒØ×ÔÖ ÒÕÙÓÒÖÒÐ×ÖÔÖ×ÒØØÓÒ×3Ø3ÐÙØÖÐÚÖÐÖÒ ÁÐÒ×ØÔ×ÔÓ××ÐÖÖÒÖ<br />

2ØY → Y − 1<br />

Ø <br />

⎛ ⎞<br />

⎛ ⎞<br />

u<br />

u<br />

ψ ⎝ d ⎠<br />

<br />

ϕ = ⎝ d ⎠<br />

s<br />

s<br />

→ I+ØI3 → U+ØI3 V+ØI3 →<br />

2<br />

3<br />

1<br />

3<br />

3<br />

s (0,<br />

V3ÓÖÖ×ÔÓÒÒØ××ÓÒØÓÒÒ×<br />

1<br />

2<br />

,<br />

1<br />

2<br />

)


ÐÒ×ÑÐ×ÒÖØÙÖ×λiÙØÐ×ÖÔÓÙÖÐØÖÔÐØϕ×ÓØÒØÔÖ <br />

λi = Wλ ∗ W −1 ÓW =<br />

⎠<br />

U 3<br />

u u<br />

1 2<br />

1 2<br />

su<br />

u<br />

⎛<br />

⎝<br />

du<br />

0 1 0<br />

−1 0 0<br />

0 0 −1<br />

V<br />

ÒØÕÙÖ×ØÕÙÖ×<br />

3 ÈÖÓÖÔÕÙÓÒ×ØÖÙØÓÒØØ×qq<br />

Ð×ÓÑÒ×ÓÒ× ÔÓÙÖÓÖÑÖÐ×ØØ×Ñ×ÓÒ×ÓÒ×ÖÓÒ×ÔÖÜÚÓÖ dÕÙÓÒÒ ÖÔÕÙÑÒØÓÒÔÙØØÙÖÐÔÖÓÙØÖØ3 ⊗<br />

1/2, U3 =<br />

0, V3 = −1/2ÒØÓÙÖÓÒ×ÔÓÒØÙØÖÒÐ×ÒØÕÙÖ×u, s,<br />

I3 U3 V3<br />

uu = (−1 1 + 2 2 , 0 + 0 , 1 1 − ) = ( 0 , 0 , 0 )<br />

2 2<br />

su = ( 0 + 1<br />

2 , 1<br />

1 1<br />

+ 0 , −1 − ) = ( 2 2 2 2 , 1 , −1 ) 2<br />

1 1<br />

1<br />

du = ( + , −1 + 0 , 0 − ) = ( 1 , −1 , −1<br />

2 2 2 2 2 2 ) ÓÒØÐ××ÓÑÑØ×ØÐÒØÖ×ÓÒØÓÙÔ×ÔÖÐ×ÖÒØ×ÓÑÒ×ÓÒ×ØØ× ØÇÒÔÙØÙ××ÖÐÔÖÓÙØÖØ3⊗3×ØÖÓÑÒÖÙÜÕÙÖ×ÐÒ×ÑÐ<br />

ÄÓÔÖØÓÒØÒØÖÔØÒÔÖØÒØ×ÕÙÖ×dØsÓÒÓØÒØÙÒÜÓÒ<br />

ÓÒÒÖÙÙÒØØÔÝ×ÕÙÑÒØÓ×ÖÚÐ<br />

ÎÓÖÔÖÜË×ÓÖÓÛÞÐÑÒØÖÝÔÖØÐÔÝ××ÂÏÐÝÒËÓÒ×Ô<br />

ÓÑÒÖ<br />

3 ÙÖÐÔÓÒØÓ×ØÖÓÙÚÐÕÙÖu = ×ØÖÒI3<br />

u<br />

I 3<br />

s<br />

⎞<br />

d


ud<br />

U 3<br />

sd<br />

Ò×ÑÐ×ÖÔÖ×ÒØØÓÒ×ÒÓÒØÓØÒÙ×ÔÖÐÔÖÓÙØÖØ<br />

us ds<br />

V3 ÔÓ××Ð×ÚÓÖÙÖÄÔÓ×ØÓÒÒØÖÐÓÑÔÓÖØÙÒÒÖ×Ò<br />

3 ⊗ 3<br />

V±×ÒØØÖÒ×ØÖÙÒ×ÓÙ×ØØÐÙØÖÐÐÓÒÐÜÓÖÖ×ÔÓÒÒØÔÖ ØÒ×ÑÐÓÒ×Ò×ÔÖÐÔÖÓÙÖÙØÐ×Ò×Ð×ËÍ ssÈÓÙÖÖÖÒÖ ÇÒÔÖØ ØØ×ÔÙ×ÕÙÓÒØÖÓÙÚÒÔÓÒØÐ×ÓÑÒ×ÓÒ×uu,<br />

η 1〉Ò×ËÍ 0ÐÔÓÒÒÙØÖØÙÒÒØ<br />

dd,<br />

ÜÑÔÐI+|I, I3 = −I〉 ⇒ |I, I3 = −I + ×ÓÙ××ÔY = 0ÑÒÒÖÙÒØÖI =<br />

π<br />

η ≡ |0, 0〉 = 1 <br />

ØÒ×ËÍ 0〉Ò×ËÍ ÇÒÚÓÒÐÖÖ<br />

1ÓÒÒÙÒ×ÓØÖÔÐØÔÓÒØÙÒ×Ó×ÒÙÐØ<br />

8⊕1ÓÒÒÙÒÓØØØÙÒ×ÒÙÐØÄ<br />

√ (dd + uu)<br />

2 ÄÓÑÔÓ×ØÓÒ2 ⊗ 2 = 3 ⊕ ÐÓÑÔÓ×ØÓÒ3⊗3 =<br />

|0,<br />

<br />

<br />

η1 ≡ |×ÒÙÐØ〉 ≡ 1 , 1 ≡ 1 ÇÒÖÚÒÖÙÜÓÖÑ×η1Øη8Ò×ЧÖÐØÓÒ×Ø <br />

<br />

√ (uu + dd + ss)<br />

3<br />

su<br />

du<br />

uu,<br />

dd, ss<br />

ÐØÓÒI+Ò×Ð U±ÓÙ ÙÒØØÜØÖÑÒÓÒÑÙØÓÒÔÔÐÕÙÐÙÒ×ÓÔÖØÙÖ×I±, 0 ≡ |1, 0〉 = 1 <br />

√ (dd − uu)<br />

2<br />

dØsÓÑÑÐØØ ×ÒÙÐØÓØØÖÓÑÔÐØÑÒØ×ÝÑØÖÕÙÔÖÒu,<br />

I 3


↑ØËÍ ×Ó×ÔÒ<br />

×Ó×ÔÒ ÄØØÖÔÖ×ÒØÔÖØÔÖØÐÓØØËÍ ×ÚÙÖØÙØÖÔÐØ<br />

ÑÒ×ÓÒËÍ↑ 3 ÈÓÙÖØØØI±|1, 1〉<br />

ÐÓØØËÍ ÇÒÔÙØÓÒ×ØÖÙÖÙÒÓÑÒ×ÓÒÓÖØÓÓÒÐØ×ÒØÔÖØ ×ÚÙÖØÙ×ÒÙÐØ×Ó×ÔÒ<br />

π<br />

η8 = |8, Y = 0,1, I3 = 0〉 = 1<br />

8⊕1×ØÖÔÖ×ÒØÖÔÕÙÑÒØÒ×ÐÙÖ ÄÓÑÔÓ×ØÓÒ3⊗3 =<br />

= V±|1, 1〉 = U±|1, 1〉 = 0<br />

0 = |8, Y = 0,3, I3 = 0〉 = 1<br />

<br />

√ (dd − uu)<br />

<br />

2<br />

√ (dd + uu − 2ss)<br />

6<br />

3 3<br />

8<br />

1<br />

×ÖÓÙÔ× ÇÒÔÙØÑÓÒØÖÖÕÙØÓÙØ×Ð×ÖÔÖ×ÒØØÓÒ×ËÍ×ÚÙÖÓÖÖ×ÔÓÒÒØ ÁÐ×ØÓÑÑÓÒÚÙÐÒÖÐ×ØÓÒÖÓÙÖÖÙÐÒÐØÓÖ ÓÑÔÓ×ØÓÒ3 ⊗ 3 = 8 ⊕ 1<br />

ÜÓÒ×ØÔÐÙ×ÒÖÐÑÒØÐ×ÓÖÑ× )ÚÔÖÑØÖÓÒÚÜØÖÒÐ× ××ØÖÙØÙÖ×ÓÑØÖÕÙ×Ò×ÐÔÐÒ(I3, Y<br />

✑<br />

❚<br />

❚<br />

❚<br />

❚<br />

❚<br />

❚<br />

✑✑✑✑<br />

◗ Õ<br />

◗<br />

◗◗◗✔<br />

✔<br />

✔<br />

✔<br />

✔<br />

✔ Ô<br />

8,1><br />

8,3> 1,1>


ÔÓÙÖØØÒÖÙÒÜØÖÑÙÓÑÒÓÒÚÜÔÖØÖÙÒÙØÖÜØÖÑ ÕÙÒØÐÒÓÑÖÔ×ÕÙÐÙØÖ×ÐÓÒÐ×Ü×V3Î×ÔÒØI3Á×ÔÒ ÇÒÔÙØÓÒ Ð××ÖÙÒÖÔÖ×ÒØØÓÒÔÖÙÜÒÓÑÖ×ÔØÕÕÙÒ<br />

Á ÕI+φmax = 0<br />

·<br />

· ←− ·<br />

ÌËÍ<br />

· ←− · ←− ·<br />

· ←− · ←− · ←− ·<br />

φmax ր<br />

ÒÔÖØÒØÐØØÑÜÑÐÓÒÔÙØÓÒÖ2I×ÙØ×ÚÐÓÔÖØÙÖÐÐ Ò×ËÍ ×ÙÐÐÜI3×ØÓÒÖÒÒ×ÐØÐÙÓÒÓÒÒÐ× = ÕÒÓÒØÓÒÁÕÙÒÓÒÔÖØφmaxÓI3 Imax = I<br />

= ÚÐÙÖ×ÕÒÓÒØÓÒ×ÚÐÙÖ×ÁÕÙÒÓÒÔÖØφmaxÓI3 Imax = I ÚÒØ×ØÖÓÙÚÖÒ×ÐÚÐ2I + 1Ñ×ÙØÓÒÒ(I−) 2I+1 ÐÔÖÓÔÖØ Ò×ËÍ ÐÑÑÔÖÓÙÖÔÙØØÖÔÔÐÕÙ×ÙÕÙÐÙØÖ×ÓÒÒÖ<br />

U3ØV3ÙÔÐÒÚÓÖÙÖÄØØÑÜÑÐ×ØÐÙÕÙ <br />

φmax = 0 ×ÐÓÒÐ×Ü×I3, I+φmax = U+φmax = V+φmax = 0 ÖÙÐÓÒÙÒÔ×ØÓÒØÔ×ÙØ×(V−) p Õ φmaxÔÖØÖÐ×ÐÓÒÔÔÐÕÙ Ó×ÐÓÔÖØÙÖI−ÓÒ×ØÒÓÙÚÙÒ×ÐÚ(I−) q+1 (V−) p ÄØØφmax×ØÒÔÖ<br />

φmax = 0.<br />

I3 = 1<br />

(p + q) = Imax<br />

2 3<br />

Y = 1 Ò×ËÍ <br />

⎫<br />

⎬<br />

max ⎭<br />

(p − q) = Y 3 ÐÚÐÙÖÔÖÓÔÖI 2×Ø<br />

〈I 2 〉 = I(I + 1) = I 2 + I = (I max<br />

3 ) 2 + I max<br />

3 ÓI max <br />

3 ×ØÐÚÐÙÖÔÖÓÔÖI3ÐØØφmax<br />

ËÐÓÒÔÔÐÕÙφmaxÔ Ó×ÐÓÔÖØÙÖV−ÓÒ×ØÖÓÙÚÒ×ÐÚÇÒ


Ð××ØÓÒÒ×ËÍ<br />

ÑÒ×ÓÒ ÔÕ 〈F<br />

2 〉<br />

<br />

1<br />

3<br />

3<br />

8<br />

6<br />

10<br />

Ò×ËÍ ÓÒÔÙØÑÓÒØÖÖÕÙ<br />

〈F 2 〉 = (I max<br />

3 ) 2 + 2I max<br />

3 + 3<br />

ÌÎÐÙÖ×ÔÖÓÔÖ×F 2ÒÓÒØÓÒ(p, q)<br />

4 (Y max ) 2 ÒÙØÐ×ÒØ ÓÒÓØÒØ <br />

〈F 2 〉 = 1<br />

3 (p2 + pq + q 2 <br />

) + p + q ÄØÐÙÓÒÒÐ×ÚÐÙÖ×ÔÖÓÔÖ×F 2ÒÓÒØÓÒ×ÚÐÙÖ×(p, ÇÒÚÓØÕÙÐÐ×Ò×ÔÒØÔ×ÓÑÔÐØÑÒØÐÖÔÖ×ÒØØÓÒÓÑÑØØ q) Ð×ÔÓÙÖI 2ÔÖÜF 2 (3) = F 2 <br />

(3) = 4/3


Ò×ÕÙÓÒÐÖÔÔÐÒ×ÐÒØÖÓÙØÓÒ§ ÄÑÓÐ×ØØÕÙ×ÕÙÖ× ÐÜ×ØÙÒÓÒÒÓÖÖ× ÔÓÒÒÒØÖÐÐ××ØÓÒÒJ P×ÖÓÒ×Ó×ÖÚ×ØÐ×ÖÔÖ×ÒØØÓÒ× ÌÓÙØÓ×Ð×ÝÑØÖÙÒØÖÒ×ØÕÙÖÓ××ÖÑÒØÖ×ÔØÔÜÐ×Ñ××× ÖÓÒ×ÔÔÖØÒÒØÙÒÑÙÐØÔÐØËÍ ÖÖÙØÐ×ÙÖÓÙÔËÍ ×ÚÙÖÓÒÒÔÖ×ÒØÒØÒÓØÐ×<br />

ÖÕÙÐÑ××Ù×Ý×ØÑÖÓØÕÙÒÐØØÜØØÓÒÖÐÒ ÕÙÐ×ÔÖÓÔÖØ×ÙÖÓÒ×ÓÒØÓÒØÓÒ×ÙÓÒØÒÙÒÕÙÖ×ÚÐÒÐ ÖÒ×ÒØÖÐÐ×Ò×ÓÒ×ØÑÒÓÑÔÐØÖÐÑÓÐÒÑØØÒØ ÓÒÙÖØÓÒ×ÔØÐØÐØØ×ÔÒÖÐØ×ÖÒÖ×ÈÖÜÓÒÓÒ×<br />

×ÚÙÖÔÓÙÖÐ×ØØ×Ð×qqØqqqÓÙqqq<br />

ÐØØÜØØÓÒÓÖØÐÄ ÙÑÒØÒØ Ø<br />

q(q I I3 S B Q Y = 2(Q − I3)<br />

u(u) ±1/2 ±1/3 ±2/3 ±1/3<br />

ÕÙÖÒØÕÙÖØÖÒ ÌÆÓÑÖ×ÕÙÒØÕÙ×Ø××ÕÙÖ×ÒØÕÙÖ×ÐÖ×ØÙ<br />

d(d) ∓1/2 ±1/3 ∓1/3 ±1/3<br />

s(s) ∓1 ±1/3 ∓1/3 ∓2/3<br />

Ñ×ÓÒÕÙ×ØÖÝÓÒÕÙ×ÓÐÒØÖÔÖØØÓÒÒ×ÐÖ×ÖÔÖ×ÒØØÓÒ× ÈÓÙÖ×ÑÔÐÖÐÜÔÓ×ÒÓÙ×ÒÖ×ØÓÒ×ÙÜÕÙÖ×ÒØÕÙÖ××ØÖÓ×<br />

ËÍ ÔÐÙ×ÒÓÙ×ÒÓÙ×ÓÒÒØÖÓÒ××ÙÖÖØÒ××ØÙØÓÒ×ÔÖØÙÐÖ×ØØ×<br />

Ä××Ý×ØÑ×Ð×qqÑ×ÓÒ× ×ÚÙÖÒ×ØÔ×ØÖÚÐ ×ÚÙÖ×u(u), d(d)<br />

×ÚÙÖ×ÔÙØ××ØÙÖÒ×ÙÒ×ÒÙÐØÓÙÒ×ÙÒÓØØ×ÝÑØÖÙÒØÖ ÕÙ×ÜÔÖÑÔÖÐÓÑÔÓ×ØÓÒ Ä×ÝÑØÖËÍ×ÚÙÖÔÖØÕÙÐ×Ý×ØÑÐqqÓq×ØÐÙÒ×ØÖÓ×<br />

ÈÔØÖ ÄÜØÒ×ÓÒÙÒÕÙØÖÑ×ÚÙÖÕÙÖ×ØÔÖ×ÒØÙ§ ÉÙÖÑÓÐ ÎÓÖÙ××ÐØÐ <br />

<br />

3 ⊗ 3 = 1 ⊕ 8<br />

s(s)ÓÒÒÖÔÔÐÐÐ×ÒÓÑÖ×ÕÙÒØÕÙ×Ò×ÐØÐÙ


ØØÔÖØÓÒ×ØÚÖÔÖÐØÙ×Ñ×ÓÒ×ØÐÙÖ×ØØ×ÜØ×ÈÖ<br />

0ÓÙ ÄÑÓÐÒÔÖÚÓØÔ× ÈÓÙÖÐØØ×ÒÙÐØÙ×Ý×ØÑqqÓÒI = ÐÓØØÓÒI =<br />

ÉÒ×ÕÙÐÐ×ÚÓ××ÒØÖØÓÒÙØÐÖÖÖÚÒØÙÐ×Ñ×ÓÒ× ØÓÙÓÙÖ×ØÒÖÙØÙÙ×<br />

2××ÒØÖÒØÒ×ÐÚÓ× ØØ×Ó×ÔÒI = ØØÖÒØÝÔÖÖS(Y ) ÜÑÔÐÐÖÖÒØ×Ð×Ó×ÔÒI = 2××ÒØÖÒØÒ×Ð×ÚÓ×π<br />

ÒØÔÖÐÐÐ×↑↓ÓÙÔÖÐÐÐ×↑↑×ÔÒÓØØÖÓÑÒÚÐÑÓÑÒØ<br />

2Ð×Ý×ØÑqqÔÙØÓÒ×<br />

Lz×ÑÑÖ×ÐÔÖqqÔÓÙÖÓØÒÖÐÑÓÑÒØÒÙÐÖ<br />

ÄÕÙÖÐÒØÕÙÖ×ØÙÒÖÑÓÒ×ÔÒ1 ØÖÓÙÚÖÒ×ÐØØ×ÒÙÐØ×ÔÒS= 0, ×ÔÒS =<br />

ØÖÑ×ÐÙÒ×ÖÔÔÓÖØÒØÐÖÔÖ×ÒØØÓÒËÍ ×ÒÓÖÑØÓÒ××ÖØÖÓÙÚÒÓÒÒ×Ò×ÐÒÓØØÓÒ×ÔØÖÓ×ÓÔÕÙÙ×ÙÐÐ ÄÓÒØÓÒÓÒÙ×Ý×ØÑÔÙØØÖÒÓÑÑÐÔÖÓÙØÙÜ ×ÚÙÖÐÙØÖÙÜÓÒÙÖ<br />

ÓÖØÐÖÐØL,<br />

ØÓÒ××ÔÐØ×ÔÒÓÖÐÐ ÓÑÔÓ×ÒØ ËÍ×ÚÙÖ<br />

ÔÖÜÐÓÒØÓÒÓÒÙÒÑ×ÓÒπ +ÔÙØ×ÒÖÔÖ<br />

|π + ÍÒÓ×ÓÒÒ×I3ØYÐÖÐØÖÕÙ×ØÜÖÐØÓÒ <br />

ÖÐØÓÒ ÑÑ<br />

〉 = |8, Y = 0, I = 1, I3 = 1〉 |0, 0, 0, 0〉<br />

ØÖÒ×ØØÖÒ×ÓÒÒÙ×ÚÐ×ÒÓÑÖ×ÕÙÒØÕÙ×Ø×ØØÖÙ×ØÐ ØØ×Ñ×ÓÒÕÙ× Ò×ÐØÐÙ ÔÖ×ÖÖÔÔÐÒÓÙ×ÚÒÓÒ×ÙÔÖÓÐÑÒØÖÔÖØØÓÒÖØÒ× ÓÒÜØÖØÐØÐÈÙÒ×ÖÑ×ÓÒ×ÒÓÒ<br />

ÙÒÓ×ÓÒÒLÐÔÖØÙ×Ý×ØÑ×ØØÖÑÒÔÖP =<br />

ÓÑÒ×Ñ×××ÓÒÖÒÁÐ×ØÖÔÔÒØØÖÓÙÚÖÒ×ÐÓÐÓÒÒI =<br />

= ÒÖÐÑÒØÙÜØØ×ÒÙØÖ×I3 PCÓÒÒØÚ ×Ñ×××ÚÓ×Ò×ÆÓØÓÒ×ÕÙÙÒØÖÓ×ÑØØÒÙØÖ×ØÓÒØÒÙÑÔÐØÑÒØ Ò×ÐÓÐÓÒÒI = 1ÔÓÙÖÐÑÑJ PCÊÔÔÐÓÒ×ÕÙËÍ×ÚÙÖ×ÓÒ ×ÖÒÙÖ××ÓÒØÙØÐ××ÚÖØÔÖÑØØÖÐÚÖØÓÙØÑÙØÐÙÖ×ÙØ ÁÐ×ØÓÙÖÒØ×ÒÖÐØÖÒØØÐ×ÔÒÔÖÐÑÑÐØØÖSÐÓÒØÜØÒ×ÐÕÙÐ Ø<br />

<br />

ÔÖØÐÑÒØØÖÓ×ØØ×ÒÙØÖ×I3 =<br />

0ÓÙ 0ÔÓÙÖÐ×ØØ×<br />

0 S = Y =<br />

S = Y = −1, 3<br />

= ∓2, ∓3, ...<br />

2<br />

3<br />

K ± π ±ØÐÐÒØ×Ð×Ó×ÔÒI = ± π ±<br />

±2<br />

0ÓÙÒ×Ð×ØØ×ØÖÔÐØ× ÒØ×ÐØÖÒØS=<br />

JzÙ×Ý×ØÑ×ÓÒ×ÔÒÔÓÙÖÐÓ×ÖÚØÙÖÔÐÙÖÝÒØÖÄÒ×ÑÐ<br />

0ÓÙ×ÐÓÒÕÙÐ××ÔÒ××ÕÙÖ×ÓÒ×ØØÙÒØ××ÓÒØ<br />

Sz =<br />

1Sz = −1,<br />

J,<br />

<br />

2S+1LJ <br />

<br />

|Ñ×ÓÒ〉 =⇒ |qq〉 = |L, Lz, J, Jz〉<br />

(−1) L+1ÚÓÖ<br />

0ÐÑÑÖÒÙØÖÙØÖÔÐØ<br />

0<br />

Y = 0ÒØ×ÔÓÙÖÙÒJ S = Y =


2S+1LJ JPC ÖÓÒ<br />

du, uu, dd su, sd uu, dd, ss<br />

I = 1 I = 1 Ñ××ÅÎ℄<br />

I = 0 2<br />

1S0 0−+ π K η η ′ <br />

3S1 1−− ρ K∗ ω<br />

1P1 1 +− b1 K1B<br />

3P0 0 ++ a0 K∗ 0 <br />

f0(1370)<br />

3P1 1 ++ <br />

a1 K1A f1(1285) f1(1420)<br />

3P2 2 ++ a2 K∗ 2 f2(1270)<br />

1D2 2−+ π2 3D1 1−− ρ K∗ ×ØØ× ÌØØ×Ð×Ù×Ý×ØÑqqÑ×ÓÒ×ÒÓÒØÖÒ×ØØÖÒ×××Ò×<br />

ω(1650)<br />

√3 (uu+dd+<br />

<br />

<br />

φ<br />

h1(1170)<br />

f0(1710)<br />

f ′ 2 (1525) K2 <br />

<br />

ØÖÕÙÖØÙÒÜÑÒÔÐÙ×ÔÔÖÓÓÒØØÖÜÑÔÐÒÓÙ×ÓÒ×ÖÓÒ×Ð ×ØØ××ØÑÑØÐÐ×ÙÜÙØÖ×ÔÖÓÒØÖÒ×ØÔ×ÚÒØ ×Ó×ÔÒÓÒØÒÙÒÕÙÖ×1 √2 (uu+dd)Ð×ÒÙÐØËÍ×ÚÙÖ1 ss)ØÐÑÑÖÒÙØÖÐÓØØ1 √6 ×ØÙØÓÒ×Ñ×ÓÒ×Ô×ÙÓ×ÐÖ×J PC Å×ÓÒ×Ô×ÙÓ×ÐÖ× <br />

ÐÙÖÑ××ØÐÙÖÓÒØÒÙÒÕÙÖ× ÇÒÖÔÔÐÐÒ×ÐØÐÙÐÙÖÔÔÖØÒÒÙÜÖÔÖ×ÒØØÓÒ×ËÍ ÄÑ××Ù×Ý×ØÑqqÔÙØ×ÜÔÖÑÖ×ÓÙ×ÐÓÖÑ ×ÚÙÖ<br />

m = 〈qq|H0|qq〉 = M( 2S+1 ÑÓÐ 1×ØÔÖ×ÒØÒ×ÐØÐÈÔ Ó ÉÙÖ<br />

<br />

LJ) + mq + mq Ä×ØÙØÓÒ×Ñ×ÓÒ××ÔÒJ ><br />

J PC = 1 −−Ð×ÙÜÔÖÑÖ×ÐÒ×ÙØÐÙ<br />

−2ss)Ä××ÒØÓÒÙÔÖÑÖ<br />

(uu+dd<br />

= 0−+ØÐÐ×Ñ×ÓÒ×ÚØÙÖ×


H0×ØÐÓÔÖØÙÖÑ××<br />

M( 2S+1 ÓÖØÐÓÒÑØÕÙØØÓÒØÖÙØÓÒ×ØÒÔÒÒØÐ×ÚÙÖÙÕÙÖ ÈÓÙÖ×ÑÔÐÖÐÖØÙÖÒ×ÕÙ×ÙØÓÒÔÓ×<br />

LJ)×ØÐÓÒØÖÙØÓÒÔÒÒØ×ØØ××ÔÒØÑÓÑÒØ<br />

Ò×ØØÒÓØØÓÒÐ×Ñ××××ØØ×ÙØÐÙ×ÖÚÒØ<br />

mq = mqm0ÔÓÙÖÐ×ÕÙÖ×uØd msÔÓÙÖÐÕÙÖs<br />

M( 1 <br />

S0) M0<br />

mπ = M0 + 2m0<br />

mK = M0 + m0 + ms<br />

<br />

1√6 <br />

mη8 = (uu + dd − 2ss) H0<br />

1<br />

<br />

√ (uu + dd − 2ss)<br />

6<br />

= M0 + 1<br />

⎧<br />

⎪⎨<br />

6 ⎪⎩ 〈uu|H0|uu〉 +<br />

<br />

=2m0<br />

dd ⎫<br />

⎪⎬<br />

<br />

H0 dd + 〈uu|H0<br />

dd + ..... + 4〈ss|H0|ss〉<br />

⎪⎭<br />

=2m0 =0<br />

=8ms<br />

= M0 + 2<br />

3 m0 + 4<br />

3 ms ÒÓÑÒÒØØÓÒÓØÒØÐÖÐØÓÒÐÐÅÒÒÇÙÓ <br />

mη8 = 1<br />

3 (4mK <br />

− mπ)<br />

<br />

1√3 <br />

mη1 = (uu + dd + ss) H0<br />

1 <br />

√ (uu + dd + ss)<br />

3<br />

= M0 + 1<br />

3 (4m0 ÇÒÔÙØÐÑÒØÒØÖÖÙÒÖÐØÓÒÒØÖmη1ØÐ×Ñ×××Ñ×ÓÒ×Ó×Ö Ú× <br />

ÔÙØÒÒÖÖÐÑÐÒ×ØØ×ÔÔÖØÒÒØÙ×ÒÙÐØØÐÓØØØØ ÑÐÒÔÙØØÖÖØÐÙÒÑØÖÖÓØØÓÒÊ ÄÓÑÔÓ×ÒØ×ÒØÖØÓÒ×Ö×ÔÓÒ×ÐÐÚÓÐØÓÒ×ÝÑØÖËÍ ×ÚÙÖ<br />

+ 2ms)<br />

ÒØÖÑ×Ñ×××ÙÖÖÄÖÙÑÒØØÓÒ×ØÕÙÐ×Ó×ÓÒ××ÓÒØÖØ×ÔÖÐÕÙØÓÒ Ò×ÐØÐÈØÒ×ÐÐØØÖØÙÖÓÒØÖÓÙÚØØÖÐØÓÒØÐÐ×ÕÙ×ÙÚÒØÖØ×<br />

<br />

′ η η1 cosθps sin θps η1<br />

ÐÑÒØÖÝÈÖØÐ×Ð×ÐÐÈÙÐÓÑÔÔØ ÔÖØÙÐÖÔÓÙÖÐ×Ñ×ÓÒ×Ô×ÙÓ×ÐÖ×ÎÓÖ×ÙØÔÖÜÑÔÐÌÐÅÓÐ×Ó ÃÐÒÓÖÓÒÓÐÑ×××ØÔÖ×ÒØ×ÓÙ××ÓÖÑÕÙÖØÕÙ ÆÓÙ×ÒÜÔÐØÓÒ×Ô×ØØÖÐØÓÒÖÐÐÓÒÙØ×Ö×ÙÐØØ×ÔÙ×Ø××ÒØ×Ò<br />

= R =<br />

η η8 − sin θps cosθps η8


ËÍ×ÚÙÖ ÑÙÐØÔÐØ ÅÎ℄ ÅÎ℄ Î2℄ ÓÒØÒÙÒÕÙÖ× Ñ2 ØØ×Ñ××Ñ∆ÑÑÑπ<br />

π0 √2 1 (uu − dd)<br />

π + <br />

du<br />

π− ud<br />

{8} K + K<br />

su<br />

− K<br />

us<br />

0 sd<br />

K 0<br />

ds<br />

{8} η8 ≃ 612 1<br />

√6 (uu + dd − 2ss)<br />

ÑÐÒ<br />

{1}<br />

<br />

η1 ≃<br />

<br />

886<br />

<br />

√1 (uu + dd + ss)<br />

3<br />

m18 ≃ 155<br />

η sin −η1 θps + η8 cosθps<br />

{8}Ø{1}<br />

η ′ cos η1 θps + η8 sin θps<br />

θps ≃ −23¦ ÌËÖÑ×ÓÒ×Ô×ÙÓ×ÐÖ×J P = 0−ÆÓØÓÒ×ÕÙ×Ð×Ñ××× ≃<br />

−11¦ Óθps×ØÐÒÐÑÐÒÔÓÙÖÐ×Ñ×ÓÒ×Ô×ÙÓ×ÐÖ×<br />

×ÓÒØÖÑÔÐ×ÔÖÐÙÖÖÖÒ×Ð×ÖÐØÓÒ×ÓÒÓØÒØθps


ÈÖÖÔÔÓÖØÐ×η, η ′ÐÑØÖ×Ñ××××ØÓÒÐ<br />

η1ÔÖ×ÙØÐØÑÐÒÓÒ <br />

<br />

Ó ÈÖÓÒØÖÒ×Ð×η8, <br />

ÖÒØ×ÖÐØÓÒ×ÒØÖÐ×Ñ×××ØÐÒÐÑÐÒØÐÐ×ÕÙ ÔÖ×ÑÙÐØÔÐØÓÒ×ÑØÖ×ØÐ×ØÓÒØÖÑØÖÑÓÒÔÙØÓØÒÖ<br />

<br />

m1 + m8 = mη + mη ′ <br />

m 2 18 = m 2 81 = m1 · m8 − mη · mη ′ <br />

Ò×ÐÓÖÖ×ÙÚÒØm8m1 <br />

ÑÐÒθps×ÒÙØÐ×ÖÐØÓÒ×ÓÙÐ×Ö×ÙÐØØ××ÓÒØ Ä×Ñ×××ÒÓÒÒÙ××ÓÒØØÖÑÒ×Ð×Ñ×××Ñ×ÙÖ×ÒÔÖÓÒØ Øm18ÄÒÐ<br />

′ − m8<br />

ÓÒÒ×Ò×ÐØÐÙ<br />

Å×ÓÒ×ÚØÙÖ× ÆÓØÓÒ×ÕÙÐ×Òθps×ØÓÒØÓÒÙ×Òm18ÆÓÙ×ÚÓÒ×Ñ×ÕÙ<br />

×ØÓÒ×ÒÕÙÖ×Ù×ÒÙÐØØÐÓØØ×ÓÒØÐ×ÑÑ×Ñ×ÐÓÒÙÖØÓÒ ÔÖÑØÖÐÓÖÖ×ÔÓÒÒÒØÖÐ×ÙÜ×Ö×Ñ×ÓÒ×Ä×ÓÑÔÓ ×ÔÒÓÖÐÐ×ØÖÒØÙ××ÚÓÒ×ÒÓÙ×ÙØÐ××ÖØÖ×ÖÒØ×ÔÓÙÖ ÄØÐÙ×ØÐÔÒÒØÙØÐÙØÐÓÑÔÖ×ÓÒÐÒÐÒ<br />

×ÒÖ×ØØ× Ä×Ñ××××Ñ×ÓÒ×ÚØÙÖ××ÓÒØ×ÙÔÖÙÖ×ÙÜÑ××××Ñ×ÓÒ×Ô×Ù Ó×ÐÖ×ÕÙÒÕÙÕÙÒ×ÐÖÐØÓÒM( 3 ËÍ×ÚÙÖ ÈÓÙÖÐÐÖÐÖØÙÖÓÒÖØm1Øm8ÔÓÙÖÐ×Ñ×××Ù×ÒÙÐØØÐÓØØ ÎÓÖØÐÈÔØÖ ÉÙÖÅÓÐ H0<br />

H0<br />

η ′<br />

η<br />

η1<br />

η8<br />

m1 m18<br />

m81 m8<br />

<br />

=<br />

<br />

=<br />

<br />

mη ′ 0<br />

0 mη<br />

m1 m18<br />

<br />

= R † ·<br />

m81 m8<br />

tan 2 θps = m8 − mη<br />

mη<br />

η ′<br />

η<br />

η1<br />

<br />

mη ′ 0<br />

0 mη<br />

η8<br />

<br />

· R<br />

m18<br />

tanθps =<br />

mη ′ − m8 m18<br />

0Ò×ÙÚÒØÐÖÓÑÑÒØÓÒÐØÐÈ<br />

m18 <<br />

= m8 − mη<br />

S1) = M1 > M( 1 S0) =


ËÍ ÑÙÐØÔÐØ ×ÚÙÖ ÅÎ℄ ÅÎ℄ Î2℄ ÓÒØÒÙÒÕÙÖ<br />

<br />

Ñ2 ØØ×Ñ××Ñ∆ÑÑÑπ<br />

ρ0 1<br />

<br />

{8}<br />

ρ + du<br />

ρ − ud<br />

K ∗+<br />

K ∗−<br />

K ∗0<br />

K ∗0<br />

√2 (uu − dd)<br />

{8} ω8 ≃ 938 √6 1 (uu + dd − 2ss)<br />

ÑÐÒ<br />

{1}<br />

<br />

ω1<br />

m18<br />

φ<br />

ω<br />

≃ 884<br />

≃<br />

112<br />

√<br />

1<br />

(uu + dd + ss)<br />

3<br />

−ω1<br />

ω1<br />

ÌËÖÑ×ÓÒ×ÚØÙÖ×J P M0Ä×Ñ×××ÒÓÒÒÙ×ØÐÒÐÑÐÒθv×ÓÒØØÖÑÒ×Ò×ÙÚÒØÐ ÖÑÔÐ×ÔÖÐÙÖÖÖÒ×Ð×ÖÐØÓÒ×ÓÒÓØÒØθv ≃<br />

<br />

{8}Ø{1}<br />

su<br />

us<br />

sd<br />

ds<br />

sin θv + ω8 cosθv<br />

cosθv + ω8 sin θv<br />

θv ≃ 36¦<br />

= 1−ÆÓØÓÒ×ÕÙ×Ð×Ñ××××ÓÒØ 39¦


ÑÑ×ÑÕÙÙÔÖÚÒØØÒÓÒÚÒÒØÖÐ××Ù×ØØÙØÓÒ××ÙÚÒØ×<br />

K0 =⇒ K∗0(896) ; π0 =⇒ ρ0 Ò×<br />

η ′ ÎÓÖÐ×Ö×ÙÐØØ×Ò×ÐØÐÙ Ò× Ø<br />

ÁÐÔÔÖØÒ×Ð×ÔÖ×ÒØÕÙÓÒ×ÔÔÖÓÐ×ØÙØÓÒÙÑÐÒ<br />

=⇒ ω ; η =⇒ φ<br />

ÐÓθÐ= 35.3¦cosθÐ= 2<br />

3sin θÐ= 1<br />

<br />

<br />

|φ〉 ≈ −<br />

1<br />

<br />

√ 1<br />

(uu + dd + ss)<br />

3 3 +<br />

<br />

<br />

1 <br />

√ 2<br />

(uu + dd − 2ss) = −|ss〉<br />

6 3<br />

3Ø<br />

×Ý×ØÑss××ÒØÖÒÓÒ×ØÒÔÓÒ×Ò×ÐÔÖÓÔÓÖØÓÒ ÇÒÒØÖÓÙÚÙÒÓÒÖÑØÓÒÒ×ÐØÕÙÐÑ×ÓÒφ××ÒØÐÐÑÒØ<br />

ÄÑ××ÙφÔ××ÔÙÐ×ÙÐ×ÒØÖØÓÒÒKKÕÙÜÔÐÕÙ Êφ →<br />

ÓÒÒØÙÖÈÓÙÖÜÔÐÕÙÖÐÖÔÔÓÖØÑÖÒÑÒØÐ ÙÒÔÔÐØÓÒÐÖÐÇÁ ÔÖÙÒÖÑÑÓÒÒØÙÖ×ÙÖÐÔÖÓ××Ù×ÖÔÖÙÒÖÑÑ<br />

4.5MeVÄ×ÑÒ×Ñ×Ð×ÒØÖØÓÒÙφ×ÓÒØ ÕÙÔÖ×ÖØÐÔÖÓÑÒÒÙÔÖÓ××Ù×Ö<br />

Êφ →<br />

ρπÓÒÔÓ×ØÙÐÐÒØÖÚÒØÓÒÙÒÑÒ×ÑÓÒÙÖÖÒØÐÙØÝÔ<br />

ÐÐÖÙÖÓ×ÖÚΓφ ≃<br />

Ò×ÓÑÒ×ÓÒ×ÖÒØ×ÖÔÔÐÓÒ×ÐÑØ×ÚÙÖ× qÖÝÓÒ×ØÒØÖÝÓÒ×<br />

ÚÓφ →<br />

ÔÖÐÓÑÔÓ×ØÓÒ<br />

q)ÔÙØ×ÔÖ×ÒØÖ ÕÙ×ÜÔÖÑ Ä××Ý×ØÑ×Ð×q q qØq Ä×ÝÑØÖËÍ×ÚÙÖÔÖØÕÙÐ×Ý×ØÑqqq(q q<br />

3 ⊗ 3 ⊗ 3 = 3 ⊗ (6 ⊕ 3) = 10 ⊕ 8 ⊕ 8 ′ Ò×ÕÙ×ÙØÓÒÑØÕÙÐ×ØÖÓ×ÕÙÖ××ÓÒØÒ×ÐØØÜØØÓÒÐÔÐÙ× <br />

⊕ 1<br />

ËÇÙÓÛÂÁÞÙÈÝ×ÄØØ ËÙÔÔÐÈÖÓÌÓÖÈÝ×<br />

×ÔÓ××Ðn = Ä×ØØ×ÙÙÔÐØ{10}<br />

<br />

<br />

<br />

|ω〉 ≈ −<br />

1 √ (uu + dd + ss)<br />

3<br />

KK) ≃ 83%<br />

ρπ, ρππ) ≃ 16%<br />

2<br />

φ → KK → ρπÖÑÑÐÙÖ<br />

1, L = 0<br />

3 +<br />

<br />

<br />

1 √ (uu + dd − 2ss)<br />

6<br />

q<br />

<br />

1<br />

3<br />

= 1<br />

√ 2 (uu + dd)


a) b)<br />

K<br />

s<br />

u<br />

K<br />

s<br />

ρ<br />

u<br />

d<br />

π +<br />

+<br />

u<br />

d<br />

u<br />

ÖÑÑφ→KKÚÓÖ×ÔÖÐÖÐÇÁÖÑÑ<br />

ρπÚÓÖ×ÔÖÐÖÐÇÁ<br />

s s s s<br />

φ φ<br />

φ →<br />

ρ<br />

s<br />

K<br />

φ{<br />

s<br />

K<br />

d<br />

π +<br />

+<br />

u<br />

} d<br />

ÚÖØÙÐ<br />

ρπÓKK×ØÙÒØØÒØÖÑÖ<br />

} u<br />

Ä××ÔÒ××ÕÙÖ××ÓÒØÐÒ×Ð×Ý×ØÑ×ØÓÒÒ×ÐØØ×ÝÑØÖÕÙ<br />

ÖÑÑφ→KK →<br />

×ÔÒ|↑↑↑〉 = J = 3 ÓJZÔÙØÔÖÒÖÐ×ÚÐÙÖ×− , JZ 2 3<br />

ÙÒÙÖ×ÝÑØÖÕÙÔÖÖÔÔÓÖØ×ÙÜÜ×Ä×ØØ××ØÙ×ÙÜ×ÓÑÑØ× ÄÙÖ ÖÔÖ×ÒØÐ×ÖÝÓÒ×Ó×ÖÚ×ØÐÙÖÓÒØÒÙÒÕÙÖ×Ò×<br />

YÄ×ÒØÖÝÓÒ×ÓÖÖ×ÔÓÒÒØ××ÖÒØÖÔÖ×ÒØ×ÔÖ<br />

<br />

1 1 3 − , , 2 2 2 2 Ð×Ý×ØÑÜ×I3,


ÙØÖÒÐ×ÓÒØÑÒ×ØÑÒØ×ÝÑØÖÕÙ×ÒØÖÑÐ×ÚÙÖ×ÕÙÖ×ÔÖ ÓÒØÒÙØÐÒ×ÑÐ×ØØ×ÐÖÔÖ×ÒØØÓÒ{10}ÓÚÒØÐØÖÓÒÒ×<br />

ÐÙÖ ÐÙØÓÑÔÖÒÖÕÙ<br />

ddu =⇒×ÝÑ(ddu) = 1 ØÑÑ <br />

√ (ddu + dud + udd)<br />

3<br />

uds =⇒×ÝÑ(uds) = 1<br />

√ [(uds + usd) + (dus + dsu) + (sud + sdu)]<br />

6<br />

Y<br />

ddd ddu duu uuu<br />

1<br />

dds dus<br />

0<br />

uus<br />

I 3<br />

Σ* Σ*<br />

Σ*<br />

I 3 Σ (1385)<br />

0<br />

dss uss<br />

Ξ* Ξ*<br />

<br />

1<br />

Ξ (1530)<br />

sss Ω<br />

2<br />

Ω (1672)<br />

ÙÔÐØJ P = 3+ØÖÝÓÒ×ÓÖÖ×ÔÓÒÒØ×<br />

ÔÖØÖ×ØØ××ØÙ×ÙÜ×ÓÑÑØ×ÙØÖÒÐÚÓÖÙÖ Ä×ÓÔÖØÙÖ×I±ÔÙÚÒØØÖÙØÐ××ÔÓÙÖÓÒ×ØÖÙÖÐ×ØØ×ÒØÖÑÖ× ÔÖÜÑÔÐ<br />

2<br />

I−(uuu) ≈ I−(u)uu + uI−(u)u + uuI−(u)<br />

= 1 <br />

ÑÒØ×ÝÑØÖÕÙ×ÓÒØÔÖÓ×ÖØ×ÔÖÐÔÖÒÔÜÐÙ×ÓÒÈÙÐÒ×Ð×<br />

√3×ØÒØÖÓÙØÔÓÙÖ××ÙÖÖÐÒÓÖÑÐ×ØÓÒÐÓÒØÓÒÓÒ<br />

ÔÖ×ÒØÐÒØ×ÝÑØÖÐÓÐ×ØÖ×ØÙÖÔÖÐÓÒØÓÒÙÒÓÑÔÓ×ÒØ ÊÐÚÓÒ×ÕÙ×ØØ×ÖÑÓÒ×ÓÒØÐÓÒØÓÒÓÒ×ØÓÑÔÐØ<br />

√ (duu + udu + uud)<br />

ËÍ<br />

3<br />

Ä×ÕÙÖ××ÓÒØÔÓÖØÙÖ×ÙÒÖÓÙÐÙÖ×Ù×ÔØÐÔÖÒÖØÖÓ× ÓÙÐÙÖÒØ×ÝÑØÖÕÙ<br />

ÄØÙÖ1<br />

ÚÐÙÖ×ÖÒØ× ÓÖÑÐÐÑÒØÓÒÔÙØ×ÒÖ×ØÖÓ×ÓÙÐÙÖ×ÔÖÐÙÖ×<br />

Y<br />

0 ∆ ∆ ∆ ∆<br />

+ ++<br />

0 +<br />

ÄÓÒÔØÐÖÓÙÐÙÖ×ÕÙÖ××ÖÚÐÓÔÔÙ§<br />

<br />

∆<br />

(1232)


ÓÒÙÖØÓÒ×Ù×Ý×ØÑqqqÔÖØ×ÔÖËÍ ×ÚÙÖ


ÖÝÓÒ×ÓÒÔÖ×ÖØÕÙ |ÓÑÔÓ×ÒØËÍ ÒØÐ×ÔÖÜÑÔÐÐÐ××ØÖÓ×ÓÙÐÙÖ×ÖÖÒÐÙÈÓÙÖÐ×ØØ×qqq<br />

×ØØ××ÓÒØÓÒ××ÒÙÐØ×ËÍ ÓÙÐÙÖ ×ØÖÒÓÐÓÖ× ÓÙÐÙÖ〉 = |ÒØ×ÝÑÖ〉<br />

Ò×ÙØÕÙÖÐ××Ù×ØØÙØÓÒ×ÕÙØ×Ò× ÈÓÙÖÐ×ØØ×ÒØÖÝÓÒ×ÓÒÒØÐ×Ö×ÓÙÐÙÖÓÑÔÐÑÒØÖ× <br />

(ÖÖ) (ÖÖ)]<br />

×ØØ×ØÕÙÖÑÖÓÒÖÔÒÒØÐÔÖ×ÖÔØÓÒÕÙÐ×ØØØ× ÒÓÐÓÖ×ÕÙÓÒÙØÖÖÐÙÖÓÑÔÓ×ÒØËÍ ÆÓØÓÒ×ÕÙÐ××Ý×ØÑ×Ð×qqÑ×ÓÒ×ÔÔÒØÐÓÒØÖÒØÐ ÓÙÐÙÖ×ÓÙ×ÐÓÖÑ <br />

ØÖÕÙÙÖ Ò×ÐØØ×ÒÙÐØÐÓÑÔÓ×ÒØËÍ ×ÚÙÖ×ØÓÑÔÐØÑÒØÒØ×ÝÑ ÄØØÙ×ÒÙÐØ{1}<br />

<br />

É ÑÓÒØÖÖÕÙÐØØ×ÒÙÐØËÍ 0×ØÒ<br />

ÒÓÒÒÖÐ×ÒÓÑÖ×ÕÙÒØÕÙ× ÖÖÙÒÒØÔÓÙÖ×ÒÙÐØËÍ ×ÚÙÖÒ×ÐØÐÈØ ×ÚÙÖÙ×Ý×ØÑqqqÚL =<br />

ÄÓÑÔÓ×ÒØËÍ ×ÚÙÖÙÒ×ÝÑØÖÑÜØÖÐØÚÑÒØÙÜÔÖ×<br />

Ä×ÓÔÖØÙÖ×I±ÔÖÑØØÒØØÖÒ×ØÖÙÒØØÐÙØÖÐÐÓÒÐÜ<br />

q2q3Øq1q3ÇÒÔÙØÓÒ×ØÖÙÖÒ×ÚÓÖÙÖ ØÖÓ×ÓØØ× ÕÙÖ×q1q2 = ÚÖÖÒÔÖÒÒØÐ×ØÖÑ×ÓÖÖ×ÔÓÒÒØ××ÓØØ×ÕÙψ13 I3ÐÓØØÈÖÜÑÔÐÔÖØÒØÐØØϕ= 1 <br />

√ (ud − du)dÒ×ÐÓØØψ12<br />

2<br />

=<br />

= 1 b,ÙÑÑØØÖÕÙÓÒ×Ö×ÐØÖÕÙ××Ò×ÓÔÔÓ××ÁÐÒÝ<br />

√ [(ÖÖ) + +<br />

6<br />

r g,<br />

|ÓÑÔÓ×ÒØËÍ ÓÙÐÙÖqq〉 =<br />

= 1 √ 3 (rr + gg + bb)<br />

|ÓÑÔÓ×ÒØËÍ ×ÚÙÖqqq〉 =⇒ÒØ×ÝÑ(uds) =<br />

= 1 ØÖØÔÖÐ×ØØ×ØÕÙÖÑÖÓÑÔØØÒÙ×ÔÖ×ÖÔØÓÒ××ÙÖËÍ<br />

√ [u(sd − ds) + d(us − su) + s(du − ud)]<br />

6<br />

couleur<br />

Ä×ØØ××ÓØØ×{8}Ø{8 ′ ψ23Øψ13ÓÒØÙÜ×ÙÐÑÒØ×ÓÒØÒÔÒÒØ×ØÚÑÒØÓÒÔÙØ<br />

}<br />

ψ12,<br />

ψ12 + ψ23


ÓÒ <br />

ÓÒØÓÒÓÒØÓØÐÙ×Ý×ØÑ×ØÖÓ×ÕÙÖ×ÓØØÖÒØ×ÝÑØÖÕÙ ÄÓÒ×ØÖÙØÓÒÐÓÑÔÓ×ÒØ×ÔÒÓÖÐÐÒ×ØÔ×ØÖÚÐÊÔÔÐÓÒ×ÕÙÐ<br />

I+[(ud − du)d] = I+[ud − du]d + (ud − du)I+[d]<br />

= (I+[u]d + uI+[d] − I+[d]u + dI+[u])d + (ud − du)u<br />

= (0 + uu − uu + 0)d + (ud − du)u<br />

<br />

= (ud − du)u<br />

×ÝÑØÖÕÙ |ÓÑÔËÍ<br />

|ÓÑÔËÍ ×ÝÑØÖÕÙ ×ÝÑÑÜØ<br />

|q1q2q3〉 = |ÓÑÔ×ÔÐÄ〉 · |ÓÑÔ×ÔÒ〉 ·<br />

×ÚÙÖ〉 ·<br />

<br />

×ÑÙÐØÒÙ×ÔÒØÐ×ÚÙÖÄ×ØÖÙØÙÖÐÓÑÔÓ×ÒØ×ÔÒÓÖÐÐ×Ø ÒØ×ÝÑØÖÕÙ<br />

antisym.<br />

?<br />

<br />

ÓÒØÖÑÒÔÖÐ×ÝÑØÖÑÜØÐÓÑÔÓ×ÒØËÍ ØØÓÒØÖÒØÑÔÐÕÙÕÙÐÓÒØÓÒÓÒ×ÓØ×ÝÑØÖÕÙÔÖÐÒ ×ÚÙÖÁÐÐÙ×ØÖÓÒ×<br />

·<br />

ÓÙÐÙÖ〉 <br />

ØØÓÖÖÐØÓÒÒÖ×ÓÒÒÒØÒÓÙÚÙ×ÙÖÐØØϕ= 1<br />

duÙÒÓÑÔÓ×ÒØÒØ×ÝÑØÖÕÙÒ×ÔÒ××ÕÙÖ× du)dÐÓØØ<br />

<br />

√ (ud −<br />

2 ψ12Ò×ÙÒÔÖÑÖØÑÔ×ÓÒ××ÓÐÔÖØÒØ×ÝÑØÖÕÙÒ×ÚÙÖ×ud −<br />

Ð××ÓØÓÒ××Ù×ÒÓÒÒØÙÒ×ØÖÑ×ÖÓØ ÒÒÒØÐÔÓ×ØÓÒ×ÙÜÕÙÖ×ÊÑÖÕÙÓÒ×ÔÐÙ×ÕÙÐÐÓÒÒ Ä××ÓØÓÒÒ×ÖÐ××ØÑÒ×ØÑÒØ×ÝÑØÖÕÙÕÙÓÒÔÙØÚÖÖ ÙÒÓÒØÖÙØÓÒÒÙÐÐÙ×ÔÒÙ×Ý×ØÑÒ×ÙÒ×ÓÒØÑÔ×ÓÒÓÑÔÐØ Ð<br />

(ud − du) ⊗ (↑↓ − ↓↑) = u ↑ d ↓ −u ↓ d ↑ −d ↑ u ↓ +d ↓ u ↑<br />

ÐÔÓ×ØÓÒÙØÖÓ×ÑÕÙÖÔÖÖÔÔÓÖØÙÜÙÜÙØÖ×ÄÜÔÖ××ÓÒÒÐ ×ÝÑØÖ×ÐØØÓØÒÙÒØÙÒØÒ×ÙÒ×ØÖÑ×ÙÒÔÖÑÙØØÓÒ ÓÑÔÓÖØ ØÖÑ×ÕÙÔÙÚÒØØÖÔÖØÐÐÑÒØÖÖÓÙÔ×ÓÑÑ×ÙØ<br />

1 [−2(d ↑ d ↑ u ↓) − 2(d ↑ u ↓ d ↑) − 2(u ↓ d ↑ d ↑)<br />

↓Ò×ÙÒØÖÓ×ÑØÑÔ×ÓÒ ØÖÓ×ÑÕÙÖÑÙÒ×ÓÒ×ÔÒd ↑ÓÙd<br />

<br />

√18××ÙÖÐÒÓÖÑÐ×ØÓÒÐØØÄ×ÔÒÙ×Ý×ØÑ×ØØÖÑÒ ÄØÙÖ1 ÔÖÐ×ÔÒÙØÖÓ×ÑÕÙÖJ =<br />

√ 18<br />

+u ↑ d ↑ d ↓ +u ↑ d ↓ d ↑ +d ↓ u ↑ d ↑<br />

+d ↑ u ↑ d ↓ +d ↑ d ↓ u ↑ +d ↓ d ↑ u ↑]<br />

1/2, JZ = ±1/2


ψ12ÙÖ ÔÖ××ÓÒ×ÒØÕÙ×ÑÑÖÑÑÖÔÓÙÖ×ÙÜÓØØ×ÚÖÖØØÖ ÄÑÑÑÖÔÙØØÖÑÔÖÙÒØÔÓÙÖÐ×ÙØÖ×ÑÑÖ×ÐÓØØ Ò×ÕÙÔÓÙÖÐ×ÑÑÖ×ÐÓØØψ23ÇÒÓØÒØ×Ü ÜÖÒ×Ð×ÓØØ×{8}Ø{8 ′ ÔÖ××ÓÒ×ØÐÐ×ÔÓÙÖÐÒ×ÑÐ×ÑÑÖ×ÐÓØØÖÝÓÒÕÙ×ØÖÓÙÚÒØ Ò×ÐÐØØÖØÙÖ×ÔÐ×ÆÓØÓÒ×ÕÙ×ÜÔÖ××ÓÒ××ØÖÓÙÚÒØ×ÓÙÚÒØ ÓÑÔÓ×ÒØ××ÔÒÒØÖÓÙØ×ØÐ×ÝÑØÖ×ØÓÒÕÙØØÙÄ×Ü<br />

}Ò× ×ÓÒÓÒÒØÙÒÓ×Ð×<br />

ÓÒØÖÓÙÚ ÖØ××ÓÙ×ÙÒÓÖÑÖØÓÒÐ×ÔÐÙ×ÓÑÑÓÔÓÙÖÐÜÔÐÓØØÓÒÈÖÜÑÔÐ ÖØÓÑÑ×ÙØ<br />

×ØØ×ØÕÙÖÑÖÑÒÔÖÖÕÙÐ×ÖÝÓÒ×ÒØÖÝÓÒ×ÒÓÒ ÒÓÒÐÙ×ÓÒÐÔÔÐØÓÒ×ÖÐ××ÝÑØÖÙÒØÖØ×ÖÐ×Ð Ó<br />

ØÖÒ×ØØÖÒ×Ò×ÐØØÓÒÑÒØÐ××ØÙÒØÒ×ÐÙÔÐØ×ÔÒ<br />

<br />

1/2ÙÖ<br />

×ÙÖÐ×ÖÐ×ÐØÓÖ×ÖÓÙÔ×ÄÓÑÒ×ÓÒ××ÝÑØÖ×ËÍ ËÍ ×ÚÙÖ⊗ËÍ ×ÔÒ<br />

ØËÍ ÄÔÖÓÙÖÖØÙ§ ×ÔÒÒÒÖÐ×ÝÑØÖËÍ×ÚÙÖ×ÔÒÄ×ØØ××ÐÖÔÖ×Ò ÔÙØØÖØÒÙØÓÖÑÐ×Ò×ÔÔÙÝÒØ ×ÚÙÖ<br />

ØÒ×ÐÓØØ×ÔÒJ =<br />

ØØÓÒ×ÓÒØ<br />

J = 3/2ÙÖ<br />

8.10.11 =⇒ 1<br />

<br />

↓ ↑ ↑ ↑ ↑ ↓ ↑ ↓ ↑<br />

√ −2 + +<br />

6 u d d u d d u d d<br />

<br />

↓ ↑ ↑<br />

≡ √3 [u ↓ d ↑ d ↑ + d ↑ d ↑ u ↓ + d ↑ u ↓ d ↑]<br />

u d d ×ÝÑØÖ1<br />

u ↑ =<br />

⎛ ⎞ ⎛ ⎞ ⎛ ⎞ ⎛ ⎞<br />

1<br />

0 0 0<br />

⎜ 0 ⎟ ⎜<br />

⎟ ⎜ 1 ⎟ ⎜<br />

⎟ ⎜ 0 ⎟ ⎜<br />

⎟ ⎜ 0 ⎟<br />

⎜ 0 ⎟ ⎜<br />

⎟<br />

⎜ 0 ⎟ , u ↓ = ⎜ 0 ⎟ ⎜<br />

⎟<br />

⎜<br />

⎟ ⎜ 0 ⎟ , d ↑ = ⎜ 1 ⎟ ⎜<br />

⎟<br />

⎜<br />

⎟ ⎜ 0 ⎟ , d ↓ = ⎜ 0 ⎟<br />

⎜<br />

⎟ ⎜ 1 ⎟ ,<br />

⎟<br />

⎝ 0 ⎠ ⎝ 0 ⎠ ⎝ 0 ⎠ ⎝ 0 ⎠<br />

0<br />

0 0 0<br />

⎛ ⎞ ⎛ ⎞<br />

0<br />

0<br />

⎜ 0 ⎟ ⎜<br />

⎟ ⎜ 0 ⎟<br />

ÈÝ××ÑÖÍÒÚÖ×ØÝÈÖ××ÌÐ ÎÓÖÔÖÜÏÅ×ÓÒØÊÈÓÐÐÖËÝÑÑØÖÝÈÖÒÔÐ×ÒÐÑÒØÖÝÈÖØÐ<br />

⎜<br />

s ↑ = ⎜ 0 ⎟ ⎜<br />

⎟<br />

⎜ 0 ⎟ , s ↓ = ⎜ 0 ⎟<br />

⎜<br />

⎟ ⎜ 0 ⎟<br />

⎝ 1 ⎠ ⎝ 0 ⎠<br />

<br />

<br />

0<br />

1


Y<br />

ddu duu<br />

1<br />

1<br />

dds<br />

uus<br />

Σ Σ Σ<br />

I<br />

3/ 2<br />

1/2<br />

1/2<br />

3/<br />

3<br />

I Σ (1195)<br />

0<br />

3<br />

2<br />

Λ (1116)<br />

Λ<br />

dss uss<br />

Ξ Ξ<br />

1<br />

1<br />

Ξ (1318)<br />

0<br />

dus<br />

+<br />

<br />

0<br />

1<br />

1<br />

0<br />

0<br />

ÇØØJ P = 1+ØÖÝÓÒ×ÓÖÖ×ÔÓÒÒØ×<br />

×ÝÑØÖÄØÐÙ ØØ××ØÖÙÖÒØÖÖÒØ×ÑÙÐØÔÐØ×ÕÙ××ØÒÙÒØÔÖÐÙÖ×ÔÖÓÔÖØ× Ø×ËÍ Ò×Ð×ÙÒ×Ý×ØÑØÖÓ×ÕÙÖ×ÒØÕÙÖ×ÓÒÔÙØÓÒ×ØØÙÖ ×ÚÙÖØËÍ×ÔÒ×ÓÑÒÒØÇÒÓØÒØÐÓÑÔÓ×ØÓÒ×ÙÚÒØ ÓÑÔÖÒÖÓÑÑÒØÐ××ÝÑØÖ××ÔÖ<br />

2<br />

6 ⊗ 6 ⊗ 6 = 56S ⊕ 70M ⊕ 70 ′ ×ÝÑØÖÑÜØ MØÐ×ÓÑÔÓ×ÓÑÑ×ÙØ<br />

SØ<br />

M + 20A ÓS×ÒÓÑÔÐØÑÒØ×ÝÑØÖÕÙAÓÑÔÐØÑÒØÒØ×ÝÑØÖÕÙØM ÄÔÐØÓÑÔÐØÑÒØ×ÝÑØÖÕÙ×ØÓÖÑÐ×ÔÖÓÙØ×S ⊗<br />

M ⊗<br />

<br />

56 = 10 J = 3<br />

ÓÑÔÓ×ÒØÓÑÑ×ÙØ ÇÒÐÙ××ÓÐÙÔÐØØÐÓØØ×ÖÝÓÒ×ÓÒÒÙ×Ò×ÐØØÜØØÓÒ Ä ÔÐØÓÑÔÐØÑÒØÒØ×ÝÑØÖÕÙØÐÔÐØ×ÝÑØÖÑÜØ×<br />

<br />

1<br />

⊕ 8<br />

2 2<br />

L = 0<br />

<br />

3 1<br />

××ÝÑØÖ××ÓÙ×ÒØ×ÓÔÔÓ××Ò×Ð×ÔÖ×ÕÙÖ×ÓÒ×ØØÙÒØ××<br />

20 = 1 ⊕ 8<br />

2 2<br />

ÖÒØ×ÑÙÐØÔÐØ×ØÖÓÙÚÒØ×ØØÓÒ×Ò×Ð×Ö×ÓÒÒ×ÖÝÓÒÕÙ× Ä′ÔÐØÐÑÑ×ØÖÙØÙÖÕÙÐÔÐØØÒ×Ò×ØÒÙÕÙÔÖ<br />

<br />

1 3 1 1<br />

70 = 10 ⊕ 8 ⊕ 8 ⊕ 1<br />

2 2 2 2<br />

<br />

...ÇÒ××ØÙÐÓÖ×Ò×ÐÖ ÓÖÖ×ÔÓÒÒØÙÜØØ×ÜØØÓÒL = 1, 2,<br />

n<br />

Y<br />

p<br />

N<br />

(939)


ÓÒØÓÒÓÒ O(3)ÓO(3)ÓÒÖÒÐÔÖØ×ÔÐÐ<br />

ËÝÑØÖËÍ×ÚÙÖ<br />

×ÖÔÖ×ÒØØÓÒ×ËÍ⊗<br />

ËÝÑØÖËÍ×ÔÒ S<br />

Ì ×ÝÑØÖ×ËÍ ËÝÑØÖ×ËÍ×ÚÙÖ×ÔÒÙ×Ý×ØÑ ×ÚÙÖØËÍ ×ÔÒÆÓØÓÒ×ÕÙÐÒÜ×ØÔ×ØØÓÑÔÐØÑÒØ ÕÙÖ×ÒÓÒØÓÒ×<br />

<br />

ÒØ×ÝÑØÖÕÙ×ÔÒÔÓÙÖÐ×Ý×ØÑÕÙÖ×Ò×ÐØØÓÒÑÒØÐL<br />

ÔÔÐØÓÒ×ÒÙÑÖÕÙ×ÙÑÓÐ×ØØÕÙ×ÕÙÖ×<br />

=<br />

ÖÓÑÓÑÒØ×ÑÒ×Ð×Ñ×ÓÒ×Ô×ÙÓ×ÐÖ×(J P ØÐ×Ñ×ÓÒ×ÚØÙÖ×(J P ÇÒØÙÒÖØÓÙÖÙ§ØÔÐÙ××ÔÕÙÑÒØÙØÖÑM( 2S+1 ÐÜÔÖ××ÓÒÐÑ××Ù×Ý×ØÑqqÖÐØÓÒÒ×Ð××Ñ×ÓÒ× LJ)Ò×<br />

ÙÜÖ×ÓÙÐÙÖ ÐÓÒÙÖØÓÒ××ÔÒ×ÙÕÙÖØÐÒØÕÙÖÒ×ÉÐ×ØÖÔÖ×ÒØ ÓÑÑÐÖ×ÙÐØØÐÒØÖØÓÒÖÓÑÓÑÒØÕÙÒØÖÐ×ÑÓÑÒØ×××Ó× ØÖÑ×ÖÙØÐØ<br />

<br />

Ô×ÙÓ×ÐÖ×ØÚØÙÖ×(L =<br />

ÍÒÖÐØÓÒÒÐÓÙÖØÐÒØÖØÓÒÐØÖÓÑÒØÕÙÒØÖÐÑÓÑÒØÑÒØÕÙ<br />

Ó: mq · mq<br />

×ØÖÙØÙÖÒÎÓÖÙÒÐÚÖÔÝ×ÕÙØÓÑÕÙÙÔØÖ×ÙÖÐ×ØÖÙØÙÖÝÔÖÒÙ ×ÔØÖÓÔØÕÙ αe×ØÐÓÒ×ØÒØ<br />

<br />

ÐÐØÖÓÒØÐÙÙÔÖÓØÓÒÒ×ÐØÓÑÝÖÓÒÒ××α =<br />

0<br />

M A<br />

S(J = 3)<br />

S M A<br />

2<br />

M(J = 1<br />

) M S, M, A M<br />

2<br />

= 1 − )<br />

0, S = J = 0Ø<br />

∆EÖÓÑÓ= 8πα<br />

| ψ(0) |<br />

3<br />

2 < sq · sq ><br />

α = αqq = 4<br />

3αs =ÓÒ×ØÒØÓÙÔÐÓÖØ<br />

, αs<br />

ψ(rq, = rq)ÓÒØÓÒÓÒÙ×Ý×ØÑqqÔÖ×ÐÓÖÒ(rq rq = 0)<br />

= 0 − )


mq(mq)Øsq(sq)Ñ××Ø×ÔÒÐÒØÕÙÖÕÙÖ<br />

Ñ×ÓÒ JP Ñ××Ñ×ÙÖÑ×××ØÚ×∆EÖÓÑÓ ×ÓÒ×ØØÙÒØ×<br />

, I [Î]<br />

π 0− , 1 ≃ 2m0 − 3 Kqq<br />

4 m2 0<br />

K(K) 0− ≃ , 1/2 m0 + ms −3 Kqq<br />

4 m0ms<br />

ρ 1− ≃ 1 Kqq<br />

, 1 2m0<br />

4 m2 0<br />

K∗ (K∗ ) 1− ≃<br />

×ÐÓÒÐÑÓÐ×ØØÕÙ×ÕÙÖ× Ì ÓÒØÖÙØÓÒ×ÐÑ××Ñ×ÓÒ×Ô×ÙÓ×ÐÖ×ØÚØÙÖ×<br />

1 Kqq<br />

, 1/2 m0 +<br />

ÄÓÙÔÐ×ÔÒÑÓÝÒÚÙØ<br />

ms 4 m0ms<br />

< sq · sq > = 1<br />

<br />

J(J + 1) −<br />

2<br />

1<br />

<br />

1<br />

+ 1 −<br />

2 2 1<br />

<br />

1<br />

+ 1<br />

2 2<br />

⎧<br />

⎨ −<br />

=<br />

⎩<br />

3<br />

ÐÒØÖØÓÒÖÓÑÓÑÒØÕÙÒ×Ð××ÓØÖÔÐØ××Ñ×ÓÒ×πØρØÐ× ÄØÐÙ ÓÒÒÐ×ÓÒØÖÙØÓÒ××Ñ×××ØÚ×ÓÒ×ØØÙØÚ×Ø<br />

4ÔÓÙÖJ = 0<br />

1 ÔÓÙÖJ = 1<br />

4<br />

ÒÓÑÔÓ×ÒØÐ×Ñ×××Ò×ÐÓØØÚØÙÖØÐÓØØÔ×ÙÓ×ÐÖ<br />

mρ(770) − mπ(140) =⇒ Kqq<br />

m2 <br />

≃ 0.630GeV<br />

0<br />

mK∗(890) − mK(490) =⇒ Kqq Ó <br />

<br />

<br />

≃ 0.400GeV<br />

m0 · ms<br />

ms<br />

≃ 1.6<br />

m0<br />

<br />

×ÓÓÙÐØ××Ñ×ÓÒ×KØK ∗ÇÒÖÔÖ×ÐÒÓØØÓÒÙ§ÔÐÙ×ÔÓÙÖ ÐÐÖÐÖØÙÖÓÒÔÓ×32π 9 αs | ψ(0) | 2 = Kqq


ÒÓÑÔÖÒØÐ×Ñ×××ÐÒØÖÙÖ×ÓØØ×<br />

mK(490) − mπ(140) = ms − m0 − 3<br />

<br />

Kqq<br />

−<br />

4 m0ms<br />

Kqq<br />

m2 <br />

0<br />

≃ 0.350 GeV<br />

m ∗ K (890) − mρ(770) = ms − m0 + 1<br />

<br />

Kqq<br />

−<br />

4 m0ms<br />

Kqq<br />

m2 ÓÒÓÑÒÒØ Ø <br />

<br />

0<br />

≃ 0.120 GeV<br />

ms − m0 ≃ 0.180 GeV<br />

Ñ×ÓÒ×ÐÐ×ÒÓÚÒØÔ×ØÖÓÒÓÒÙ×ÚÐ×Ñ×××ÓÙÖÒØ×ÒØÖÒØ Ò×ÐÓÒ×ØÖÙØÓÒÙÄÖÒÒÉ ÆÓØÓÒ×ÕÙÐ×ØÑ×××ØÚ× ÓÒ×ØØÙØÚ××ÕÙÖ×Ò×Ð×<br />

m0 ≃ 0.300 GeV (ÕÙÖ×u, d)<br />

<br />

ms ≃ 0.480 GeV (ÕÙÖs)<br />

ÖÓÑÓÑÒØ×ÑÒ×Ð×ÖÝÓÒ×ÙÙÔÐØ(J P = 3 )Ø +<br />

2 ÐÓØØ(J P = 1<br />

ØÒÖÐ×ÓÑÑ q)ÓÒØÐÙØØÖÑÒÖÐ×ÓÒØÖÙØÓÒ×ÐÒØÖØÓÒÖÓÑÓÑÒØÕÙ<br />

q2×ØÖÔÖ×ÒØÔÖÙÒÜÔÖ××ÓÒÙØÝÔ<br />

+<br />

) 2 Ò×××Ý×ØÑ×ØÖÓ×ÕÙÖ×ÒØÕÙÖ×ÓÒÔÙØÓÖÑÖØÖÓ×ÔÖ×q<br />

q (qÄÓÒØÖÙØÓÒÙÒÔÖq1 = Ò×ÐÕÙÐÐα=αqq 2<br />

3αs, ÄØÐÙ ÑÓÒØÖÐ×ÓÒØÖÙØÓÒ××Ñ×××ØÚ×ØÐÒØÖ<br />

=ÓÒ×ØÒØÓÙÔÐÓÖØ<br />

αs ØÓÒÖÓÑÓÑÒØÕÙØÓØÐÒ×ÐÙÔÐØJ P = 3<br />

= 2<br />

1+<br />

2 ÇÒÔÓ×16π 9 αs | ψ(0) | 2 Ò×Ð×ÙÙÔÐØÐÚÐÙØÓÒ×ÓÙÔÐ××ÔÒ×Ø×ÑÔÐÖ<br />

= Kqq<br />

ØØÒØÓÒÔÖØÙÐÖÖÐÖ×ÙÐØØÖÙÒÑÙÐØÔÐØ×Ó×ÔÒÐÙØÖ ÔÓÙÖÓØÒÖÐ∆EÖÓÑÓÓÖÖ×ÔÓÒÒØ ÒÕÙÓÒÖÒÐÓØØÐÚÐÙØÓÒ×ÓÙÔÐ××ÔÒÖÕÙÖØÙÒ<br />

4ØÐ×ÙØÔÓÒÖÖÔÖÐÒÚÖ××Ñ×××ÓÒÖÒ×<br />

2ÒØÖαqqØαqq×ÖÙ×ØÙ§<br />

1<br />

sqi ·sqj >=<br />

<br />

ÄØÙÖ1<br />

<br />

+ØÐÓØØJ P ÔÙ×ÕÙÐ×ØÖÓ××ÔÒ××ÓÒØÐÒ×ÈÓÙÖÙÒ×ÔÖ×ÕÙÖ×ÓÒ


ÖÝÓÒ ×ÓÒ×ØØÙÒØ× ∆EÖÓÑÓ<br />

J<br />

<br />

[Î]<br />

Ω Ξ 3 τ<br />

N<br />

3<br />

3<br />

1<br />

Λ<br />

+<br />

×ÐÓÒÐÑÓÐ×ØØÕÙ×ÕÙÖ× Ì ÓÒØÖÙØÓÒ×ÐÑ×××ÖÝÓÒ×ÙÙÔÐØØÐÓØØ<br />

τ , 1 ≃<br />

Ξ<br />

ÕÙ×ÖÔÖÙØ×ÙÖÐ∆EÖÓÑÓÓÖÖ×ÔÓÒÒØØØÖÜÑÔÐÒÓÙ×ÜÑÒÓÒ× ÓÖÑ×ÙÜÕÙÖ×ÐÖ×<br />

×ÖÑÒØÒ×ÐØØ×ÝÑØÖÕÙ×Ó×ÔÒIÔÖ=1ØÒ×ÐØØ×ÝÑØÖÕÙ<br />

1)ÐÔÖÓÖÑ×ÙÜÕÙÖ×ÐÖ××ØÒ×<br />

4ÙØÖÔÖØ<br />

ÒØÐÐ××ÝÔÖÓÒ×Σ ØΛ ×Ó×ÔÒI1ÓÙ2 = Ò×Ð×ÓØÖÔÐØΣ(IΣ =<br />

ÊÔÔÐÓÒ×ÕÙÐÒØ×ÝÑØÖÐÓÒØÓÒÓÒ×Ø××ÙÖÔÖ×ÔÖØËÍ s<br />

<br />

ÓÙÐÙÖ ÕÙÐ××ÔÓÙÖÐÒ×ÑÐ×ÙÜÔÖ×ÑÜØ×1, sØ2,<br />

∆<br />

P , IÑ××Ñ×ÙÖÑ×××ØÚ×<br />

3+<br />

3 , ≃ 3m0<br />

2 2<br />

+<br />

, 1 ≃ 2<br />

2m0 + ms<br />

m0 + 2ms<br />

3ms<br />

3m0<br />

+ 1 , 2 2 ≃ ≃ +<br />

, 0 2<br />

+ 1 , 2 2<br />

1+<br />

, 0 2<br />

1<br />

2<br />

1+<br />

1 , 2<br />

≃ ≃ 2m0 + ms<br />

m0<br />

×ÔÒÓ <<br />

<br />

i= 1<br />

< s1 · ss > + < s2 · ss >= −3 4<br />

s1 · s2 >= 1<br />

= 0<br />

m0ms<br />

<br />

JΣ(JΣ + 1) − 3<br />

2<br />

1<br />

<br />

1<br />

+ 1 = −<br />

2 2 3<br />

4<br />

− 1<br />

4<br />

= −1<br />

Kqq<br />

m 2 0<br />

+ 1<br />

4<br />

+ 1<br />

4<br />

Kqq<br />

m 2 s<br />

Kqq<br />

m 2 0<br />

Kqq<br />

m 2 0<br />

+ 1<br />

4<br />

+ 1<br />

4<br />

Kqq<br />

m 2 0<br />

Kqq<br />

m 2 s<br />

Kqq<br />

m2 0<br />

Kqq<br />

m2 s


ÔÖ×ÔÓÒÖØÓÒÔÖÐÒÚÖ××Ñ×××ÓÒÓØÒØÚÓÖØÐÙ 0)ÐÔÖ×ÕÙÖ×ÐÖ××ØÐØØÒØ×ÝÑØÖÕÙ<br />

ÉØÖÑÒÖÐ×ÓÙÔÐ××ÔÒÒ×Ð×ÔÖ×ÕÙÖ×ÙÓÙÐØN<br />

0ØÒ×ÐØØÒØ×ÝÑØÖÕÙ×ÔÒÇÒÓØÒØÒ××<br />

∆EÖÓÑÓ= −<br />

ÕÙÖ×ÑÑ×ÚÙÖ ØÒÖÓÑÔØÙØÕÙ××Ý×ØÑ×ÓÑÔÖÒÒÒØÙÜ<br />

= Ò×Ð×Ó×ÒÙÐØΛ(IΛ ×Ó×ÔÒIÔÖ=<br />

ÄÙ×ØÑÒØÐÒ×ÑÐ×Ñ×××Ñ×ÙÖ×ØÐÙ ÓÒÒ <br />

ØÙÓÙÐØΞ<br />

<br />

ÓØØ×Ñ×ÓÒÕÙ× ×Ö×ÙÐØØ××ÓÒØÒÓÖÕÙÐØØ ÅÓÑÒØ×ÐØÖÓÑÒØÕÙ×ÔÓÐÖ×ÐÝÔÖÓÒ %ÚÙÜÓØÒÙ×Ò×Ð×<br />

ÖÝÓÒ×ØÐ×ÓÑÑ×ÚØÙÖ×ÑÓÑÒØ×ÑÒØÕÙ××ØÖÓ×ÕÙÖ×ÓÒ×Ø ØÙÒØ× 0ÐÚØÙÖÑÓÑÒØÑÒØÕÙÙ<br />

+ )Ø×ÖÝÓÒ×ÐÓØØ(J<br />

Óσqi×ØÐÓÔÖØÙÖ×ÔÒ<br />

ÒÐ×ÒÑÓÑÒØÓÖØÐL =<br />

2mqicÔÓÙÖÐ×ÔÔÐØÓÒ×ÔÖ×ÒØ×ÓÒ×ÙÔÔÓ×Ð×ÕÙÖ×ÔÓÒØÙÐ×<br />

µ<br />

Qqi×ØÐÓÔÖØÙÖÖÚ×ÓÒ×Ò ØÓÒÒÐÐØÙÒÚÒØÙÐÐÒÓÑÐ<br />

ÖÐÐÐÙÑÓÑÒØÒÙÐÖÓÑÑÐÑÜÑÙÑ×ÓÑÔÓ×ÒØ×ÐÓÒÐÜ ÈÖÓÒÚÒØÓÒÓÒÜÔÖÑÐÚÐÙÖÙÑÓÑÒØÑÒØÕÙÓÑÑÒÒ<br />

2mqic×ØÐÑÒØÓÒÒØÖÒ×ÕÙ<br />

<br />

Kqq<br />

m0ms<br />

+ 1<br />

4<br />

Kqq<br />

m2 0<br />

< s1 · s2 >= −3 4 < s1 · ss > + < s2 · ss >= −3 4<br />

Ω(JP = 3<br />

2<br />

µqi ≃ Qqi<br />

e<br />

e<br />

m0 ≃ 0.360 GeV ; ms ≃ 0.540 GeV <br />

Kqq<br />

m2 0<br />

ms/m ≃ 1.5 <br />

≃ 0.200 GeV ; Kqq<br />

m0ms<br />

P<br />

3 + 4 = 0Ø∆EÖÓÑÓ= −<br />

≃ 0.135 GeV <br />

= 1+<br />

) 2<br />

B = <br />

µ qi , µ qi = µqi · σqi<br />

i=1<br />

3 Kqq<br />

4 m2 0


+1ÓÒÓØÒØ<br />

dØ ÕÙÒØØÓÒÓ×ØÒÓÒÓÑÑÐÑÓÙеÈÓÙÖÐ×ÕÙÖ×u<br />

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= sÚσZ<br />

ØÖÓÙÚÔÖÜÑÔÐ ÔÖ×ÓÒÚÓÖØÐÈÚÐ×ÚÐÙÖ××Ñ×××ÓÒ×ØØÙØÚ× 2mpcÖÒÙÖÓÒÒÙÚÙÒÖÒ ÓÒ<br />

= ÒÙÒØÑÒØÓÒÒÙÐÖµN<br />

ÄÑÓÑÒØÑÒØÕÙÙÒÖÝÓÒBÔÙØØÖÜÔÖÑ×ÓÙ×ÐÓÖÑ<br />

ÄÔÔÐØÓÒÐÔÐÙ××ÑÔÐÓÒÖÒÐÝÔÖÓÒΩ −ÔÙ×ÕÙÐ×ØÙÒ×Ý× ØÑØÖÓ×ÕÙÖ×sÙÜ×ÔÒ×ÐÒ×J P +<br />

ÄÔÔÐØÓÒÙÑÓÐÙÜÖÝÓÒ×ÐÓØØJ P ÐÐÖÐÖØÙÖÓÒÙØÐ×ÐÓÖÑÖØÓÒÐ× ÓÖØÒÓÙ×ÐÐÐÙ×ØÖÓÒ×ÔÖÐÜÑÔÐÙÑÓÑÒØÑÒØÕÙÙÒÙØÖÓÒÒ<br />

+ÖÕÙÖØÙÒÖØÒ ÐÓÒØÓÒÓÒ 〉×ÒÙÒ×ÝÑØÖ×ØÓÒØÐÐÕÙ <br />

ÙÒ×ØÖÓ×ØÖÑ× ÓÒØÖÙÔÖ ÒÖÔÔÐÒØÕÙ〈...<br />

(µu)Z = + 3 e<br />

2 2muc , (µd)Z = − 1 e<br />

3 2mdc , (µs)Z = − 1<br />

3<br />

(µu)Z = 2<br />

3<br />

e<br />

µN ≃ 1.7µN ; (µd)Z = − 1<br />

3<br />

e<br />

2msc , <br />

mp<br />

mp<br />

µN ≃ −0.9µN<br />

mu<br />

md<br />

(µs)Z = − 1 mp<br />

µN ≃ −0.6µN<br />

3 ms<br />

+1〉×ÝÑÓÐ×ÐÓÒØÓÒÓÒÒÓÖÑÐ×ËÍ×ÚÙÖ×ÔÒ <br />

3<br />

(µB)Z = 〈B ↑| (µqi)Z|B ↑〉<br />

i=1<br />

Ó|B ↑〉 = |B, σZ =<br />

= 3<br />

2<br />

(µΩ)Z = 3(µs)Z = − mp<br />

µN ≃ −1.8µN<br />

ms<br />

= 1<br />

ËÍ×ÚÙÖ×ÔÒ<br />

2<br />

|n ↑〉 = 1<br />

<br />

↓ ↑ ↑ ↑ ↑ ↓ ↑ ↓ ↑<br />

√ −2 + +<br />

6 u d d u d d u d d<br />

<br />

↓ ↑ ↑<br />

=<br />

u d d<br />

1 √ (u ↓ d ↑ d ↑ + d ↑ d ↑ u ↓ + d ↑ u ↓ d ↑)<br />

3<br />

<br />

2 1√3<br />

[−(µu)Z + (µd)Z + (µd)Z]


ÒÒ×ÖÒØÖ×ÙÐØØÒ×ÐÔÖÑÖØÖÑ ÐÑÑÑÒÖÐ×ÙÜÙØÖ×ØÖÑ×ÓÒÓØÒØ ØÒÚÐÓÔÔÒØ<br />

<br />

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Ð×ÓÖÒ ÐÔÖ×ÕÙÖ×dÇÒÓÒÓÑÒÖÐ×ØØ××ÔÒ|↓〉<br />

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u<br />

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ÕÙÔÙØ×ÚÖÖÒØÙÒØÐÚÐÓÔÔÑÒØÓÑÔÐØÙÐÙÐ<br />

<br />

Ð×ÓÒØÖÑÐÓÒØÖÙØÓÒ1<br />

Ò×Ð××ÖÒØ×ÝÔÖÓÒ×ÐÓØØJ P ÔÖÓÔÖØ××ÝÑØÖ×ÙØ×Ù§ ÑÓÑÒØÑÒØÕÙ ÔÓÙÖØÐÖÐ×ÜÔÖ××ÓÒ×ÐÙÖ<br />

+ÓÒ×ÔÔÙÝÖ×ÙÖÐ×<br />

ÙØÐÙ×ÓÒØÓÒØÓÒ××ÚÐÙÖ××Ñ×××ÓÒ×ØØÙØÚ××ÕÙÖ×ÓÒ ×ØÐ××ÓÒØÓÒ×Ò×Ò×ÐØÐÙ ÓÖÖ×ÔÓÒÒØ×ÚÓÖØÐÈÄ×ÔÖØÓÒ×ÒÙÑÖÕÙ×ØÖÓ×ÑÓÐÓÒÒ Ä×ÔÖØÓÒ×ÙÑÓÐ×ØØÕÙ×ÕÙÖ×ÔÓÙÖÐÒ×ÑÐ×ÖÝÓÒ×<br />

ÓÔØÐ×ÑÓÝÒÒ× Ø Ò×ÕÙÐ×ÚÐÙÖ×Ñ×ÙÖ×<br />

ÖÔÔÓÖØ×Ñ×ÙÖ× ×Ñ×××Ò×ÐÖÙÑÓÐ×ÕÙÖ××ÓÒØÒÓÒÓÖÚÐ× ÆÓØÓÒ×ÕÙÐ×ÖÔÔÓÖØ×(µp)Z/(µn)ZØ(µΛ)Z/(µΩ)ZÕÙ×ÓÒØÒÔÒÒØ× ×ÓØmu =<br />

×ØÖÚÑÓÝÒÒÖÐØÚÑÒØÐÓÒÙ≫ 10−20 ØÓÒÐÓÙÐØÖÓÑÒØÕÙ <br />

s)Ö××ÒØÖÒØÔÖÒØÖ<br />

<br />

1<br />

(µn)Z = 3 √6<br />

+<br />

2<br />

{2 2<br />

<br />

1<br />

√3<br />

2<br />

[−(µu)Z + 2(µd)Z]<br />

2 1<br />

√3 [(µu)Z + (µd)Z − (µd)Z]<br />

2 1<br />

+ √3 [(µu)Z − (µd)Z + (µd)Z]}<br />

= − 1<br />

3 (µu)Z + 4<br />

3 (µd)Z<br />

ddÚ×ÔÓ×ÔÔÖÓÔÖ×ÓÒÒ×ÔÖÐØÐÓÒØ× ddØ · |↑↑〉<br />

|↑〉 u |↑↓ + ↓↑〉<br />

<br />

1<br />

, +1<br />

2 2 n =<br />

<br />

2<br />

<br />

1<br />

, −1<br />

2 2 3 u |1, +1〉 dd −<br />

<br />

1<br />

<br />

1<br />

, +1<br />

2 2 3 u |1, 0〉 dd<br />

0.51Î<br />

3 [(µu)Z + 0]×ÓØÙØÓØÐ−<br />

(µp)Z = − 1<br />

3 (µd)Z + 4<br />

3 (µu)Z<br />

1<br />

3 (µu)Z + 4<br />

3 [−(µu)Z +2(µd)Z +2(µd)Z]<br />

= 1<br />

2<br />

3 (µd)Z<br />

md ≃ 0.33Î, ms ≃


ÖÝÓÒ ÓÒØÖÙØÓÒ××ÕÙÖ× ÚÐÙÖ×ÔÖØ× ÚÐÙÖ×Ñ×ÙÖ× ÑÓÑÒØÑÒØÕÙÔÓÐÖÒÙÒصN<br />

<br />

<br />

2.793....<br />

−1.913....<br />

<br />

2.458<br />

<br />

−1.160<br />

−1.250<br />

Ì<br />

−0.6507<br />

ÅÓÑÒØ×ÑÒØÕÙ×ÔÓÐÖ××ÖÝÓÒ×ÐÓØØJ P +Ø ÐÝÔÖÓÒΩ −ÔÖØÓÒ×ÙÑÓÐ×ØØÕÙ×ÕÙÖ×ØÚÐÙÖ×Ñ×ÙÖ× ×ØÓÒ×ÖÓÒ×××ÙÖËÍsaveurÆÓÙ×ÒÓÙ×ÓÖÒÓÒ×Ò××ÒÓØ× ÜØÒ×ÓÒÙÜÒÓÙÚÐÐ××ÚÙÖ×ÕÙÖ<br />

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ÒÚØÖÐ ÓÒÙ×ÓÒÚÐÓØØÓÑÒ××ÐÐ×ØÒÒÑÓÒ×ÓÒØÒÙ± 1 ÕÙÖcÚÓÖÖ§ ÕÙÖbËÏÀÖØÐÈÝ×ÊÚÄØØ ÊÔÔÐ×Ø×Ñ××ÒÚÒÜÔÖÑÒØÐ×<br />

3Ò×ÐÚÐÙÖ<br />

ÕÙÖtØÐÈÝ×ÊÚÄØØ <br />

<br />

p<br />

n<br />

4<br />

3 (µu)Z − 1<br />

3 (µd)Z<br />

4<br />

3 (µd)Z − 1<br />

3 (µu)Z<br />

Λ (µs)Z <br />

+ 4 Σ 3 (µu)Z − 1<br />

3 (µs)Z<br />

0 2<br />

Σ 3 (µu)Z + 2<br />

3 (µd)Z − 1<br />

3 (µs)Z <br />

− 4 Σ 3 (µd)Z − 1<br />

3 (µs)Z<br />

0 4 Ξ 3 (µs)Z − 1<br />

3 (µu)Z<br />

Ξ<br />

− 4<br />

3 (µs)Z − 1<br />

Ω − 3(µs)Z <br />

3 (µd)Z<br />

−0.613<br />

−2.02<br />

± (2.9 10 −8 )<br />

± (5 10 −7 )<br />

± 0.004<br />

± 0.010<br />

± 0.025<br />

± 0.014<br />

± 0.0025<br />

± 0.05<br />

= 1<br />

2


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+ØJ P ÉÖÐÚÖÒ×ÐØÐÈÐ×Ñ××××Ñ×ÓÒ×D ±ØD 0 cÐ×ÓÑÔÖÖÙÜÑ××××Ñ×ÓÒ×K ±ØK 0 ØÐÐ×ÝÔÖÓÒ×Σ ±ÍØÐ×Ö×ÖÐØÓÒ×ÖÓÑÓÑÒØ×ѧ<br />

ØÖÑÒÖÐ×ÐÑÒØ×VcdØVcsÐÑØÖÃÅÚÓÖ§ÄØÙ× ÄØÙ×ÔÖÓ××Ù×Ð×ÑÔÐÕÙÒØÐ×ÖÓÒ×ÖÑ×ÔÖÑ× ÔÓÙÖÚÐÙÖÐÑ××ØÚÓÒ×ØØÙØÚÙÕÙÖc<br />

×ÒØÖØÓÒ×Ð××Ñ×ÓÒ×D 0ØD 0 s×ÓÒØÙÒÖÒÒØÖØÔÖÓÑ ÔÖ×ÓÒÐÐÙK 0 ÑÐÒØØ×ÚÓÖ§ Ä×ÔÖÓÔÖØ×ÙÖÑÓÒÙÑ×Ý×ØÑcc×ÖÓÒØÜÑÒ×Ù§ ÇÒÓÒ×ÖÐ×ØÙØÓÒ×ÖÓÒ×ÓÖÑ×ÙÑÓÒ×ÙÒÕÙÖb(b)Ø ÜØÒ×ÓÒÐÓØØÓÑÒ××ËÍ×ÚÙÖ<br />

×ÓÒØÖ×ÔÖÐ×ÖÐ×Ð×ÝÑØÖËÍ×ÚÙÖÒÖØÙÖ× ÙÒÔÐØÄ×Ý×ØÑqqqÖÝÓÒ×ÓÖÑÙÒÑÙÐØÔÐØ ÄØØÒÖÕÙ×ØÙÒÚØÙÖÒÕÓÑÔÓ×ÒØ×ÓÒØÐ×ØÖÒ×ÓÖÑØÓÒ× Ä×ØØ×Ù×Ý×ØÑqqÑ×ÓÒ× ÓÑÔÖÒÒÒØÙÒ×ÒÙÐØËÍ×ÚÙÖØ ØØ×ÕÙ×<br />

ÙÒÓÙÕÙÖÔÐÙ×ÐÖu, d,<br />

BØØÒÙ×ØÙÒÖØÒÒÓÑÖÐÙÖ×ØØ×ÜØ×ÔÖÓÒØÖ×ÙÐ×Ð× ÓÒÓÒÒØÙÒÓ×Ð×ÔÒÒØÖÓÙØ ÄÒÚ×ØØÓÒÑÒÔÙ×ÔÖÑ×ÐÒØØÓÒØÓÙ×Ð×Ñ×ÓÒ× M× ÓÑÔÓ×ÓÑÑ125 = ×ÓÒØ××ÓÖÙ35SÔÐØÙÜ×ÔÒJ =<br />

ÖÝÓÒ×Λ 0 b×Ý×ØÑudb), b (dsb)×ÓÒØÖÓÒÒÙ×ØÐÈ ÑÔÓÖØÒØÕÙÒ×ËÍ×ÚÙÖ Ä××ÔØÖ×Ñ×××ÑÓÒØÖÒØÕÙÐÖ×ÙÖ×ÝÑØÖ×ØÙÓÙÔÔÐÙ× ÉÖÖÖÐ×Ñ×××ÙÑ×ÓÒB ±ØÙΛ 0 bÒ×ÐØÐÈÐ×ÓÑÔÖÖ ÙÜÑ×××ÙK ±ØÙΛÒÙÖÐÑ××ØÚÓÒ×ØØÙØÚÙÕÙÖ <br />

JP = 1<br />

2<br />

JP = 1<br />

2<br />

= 3<br />

2<br />

= 3<br />

+<br />

2<br />

ÖÝÓÒ×ÖÑ×Σ ++ cØΣ 0<br />

Ξ<br />

(D 0 )ØÐÐ×× (K 0 )<br />

(K 0 )ÖÐÐ×ÓÒÒÒØÐÑÒØÐÙÙÔÒÓÑÒ<br />

s, cÓÙu, d, s, c<br />

=<br />

35S ⊕ 40M ⊕ 40 ′ M ⊕ 10AÄ×ÖÝÓÒ××ÔÒJ 3<br />

2<br />

1 2Ù40MÔÐØ40MØ40 ′<br />

0 b<br />

(usb)ØΞ −


ÄØÙ××ÒØÖØÓÒ×Ð×ÙB ±ØÙB ± ÚÐÙÖ××ÐÑÒØ×VubØVcbÐÑØÖÃÅcÔÖÑ×ØÖÑÒÖÐ×<br />

Ä×ÔÖÓÔÖØ×××ÒØÖØÓÒ×Ð×ÙB 0 ÒÖÐØÓÒÚ ÐÐ××Ñ×ÓÒ×K 0 s )ÄÙÖØÙ×Ø ÈÒ××ÔÖÓ××Ù×Ð×ÆÓØÓÒ×ÕÙÐ×ØÙØÓÒ×ØÔÐÙ×ÚÓÖÐÙÒÔÓÒØ ÙÒÑÔÓÖØÒÑÙÖÓÑÑØ×ØØÓÒÒÐÚÓÖ§ÐÚÓÐØÓÒ<br />

0ÖÐ×ÒØÙÖ ÚÙÜÔÖÑÒØÐÚÐ×Ñ×ÓÒ×B 0ÕÙÚÐ×Ñ×ÓÒ×D<br />

0<br />

(B 0 )ØÙB (K 0 ) D0 (D 0 )ØD 0 s (D0<br />

Ä×ÔÖÓÔÖØ×ÙÓØØÓÑÓÒÙÑ×Ý×ØÑbb×ÓÒØÜÔÓ××Ù§ Ò×ÐÜÔÖÒÝÒØÓÒÙØÐÓÙÚÖØÙÕÙÖtÌÚØÖÓÒÄ ×ØÙÖÒÔ×ÒÓÖØÜÔÐÓÖ ÜØÒ×ÓÒÙØÓÔ ××ÒØÖØÓÒ××ØÑÙÜÖÓÒÒ××Ðmb ≫ mc<br />

ÖÑÐ×ÑÒ×Ñ×ÔÖÓÙØÓÒÓÑÒÒØ××ÓÒØ<br />

Ó Ø ØÓÔÓÒÙÑ<br />

qq → tt gg → tt<br />

t → W − Ø b t → W + b Ä×Ó×ÓÒ×W ±×ÓÒØÒØ×ÚÐÙÖ×ÔÖÓÙØ××ÒØÖØÓÒÐÔØÓÒÕÙ ØÖÓÒÕÙÄÕÙÖb×ØÖÓÒÒÙÚ××ÒØÙÖØÖØÖ×ØÕÙ ÇÒÔÔÐÐÓÑÑÙÒÑÒØÕÙÖÓÒÐ×ØØ×Ð×Ø×Ò××ÚÙÖ×ÚÙÖ Ä×ÕÙÖÓÒ<br />

×Ý×ØÑccÐÓØØÓÑÓÒÙÑÐ×Ý×ØÑbbØÐØÓÔÓÒÙÑÐ×Ý×ØÑttÜÔÖ<br />

bÓÙtÄÖÑÓÒÙÑ×ØÐ Óq(q)ÓÒÖÒÙÒ×ÕÙÖ×ÐÓÙÖ×c, ÑÒØÐÑÒØÓÒÓ×ÖÚÐÙÖÓÖÑØÓÒÒ×Ð×ÓÐÐ×ÓÒ×e + e− ppÓÙpÒÓÝÙ<br />

×ÚÙÖ×ÕÙÖ ÙÜÙØ×ÒÖ××ÓÙ×ÐÓÖÑØÖÓØ×Ô×Ö×ÓÒÒÒ×Ð××ØÓÒ× ×ØÓØÐØÔÖØÐÐÚÓÖÔÖÜÐÙÖÀ×ØÓÖÕÙÑÒØ×Ó×Ö ÚØÓÒ×ÓÒØÓÙÙÒÖÐÑÙÖÒ×ÐÓÒÖÑØÓÒÐÜ×ØÒ×ÖÒØ× Ò×ÙÒ×ÖÔØÓÒÒÓÒÖÐØÚ×ØÙÒ×Ý×ØÑqq×ØÖØÖ×ÔÖ×ÓÒ<br />

,<br />

0ÓÙ SÓL×ØÐÑÓÑÒØÓÖØÐÖÐØØSÐ×ÔÒ ÑÓÑÒØÒÙÐÖJ = L + ØÓØÐS = = (−1) ÄÔÖØÙ×Ý×ØÑ×ØÓÒÒÔÖPqq L+1Ø ×ÓÒÙ×ÓÒÖÔÖCqq = (−1) L+SÒÓÑÖÙÜØØ×ÕÙÖÓÒ ÔÙÚÒØØÖÓÖÑ×ÑÔÐÕÙÒØÖÒØ×ÑÒ×Ñ×ÖØÓÒÈÖÜÑÔÐ Ò×Ð×ÓÐÐ×ÓÒ×e + e−ÐÑÒ×ÑÓÖÑØÓÒÓÑÒÒØ×ØÐÒÙÒ ÚJ PC = 1−−ÒÖ×ÕÙÒØÕÙ×ÙÔÓØÓÒÒ×ÐØÐÈ×ØØ××ÓÒØ ΥØθÒÓÒØÓÒ××ÚÙÖ×ÓÒÖÒ× <br />

×Ò×ÔÖÐ××ÝÑÓÐ×ψ(ou J/ψ)<br />

s (B0<br />

s )×ÓÒØÑØØÖ<br />

ÔÓØÓÒÚÖØÙÐÒ×ÐÚÓsÕÙÓÒÒÒ××Ò×ØØ×ÕÙÖÓÒ


∆E [eV]<br />

10 −5<br />

X<br />

10 −4<br />

X<br />

10<br />

0<br />

10<br />

1<br />

2 S0<br />

3<br />

16<br />

5.1eV<br />

α2 mec M1<br />

M1<br />

2<br />

M1<br />

3<br />

2 S1<br />

3<br />

1 S1<br />

7<br />

12<br />

2<br />

α 4<br />

1 P1<br />

m ec<br />

−4<br />

8.4.10 eV<br />

+ −<br />

+ +<br />

+ +<br />

+ +<br />

1 0 1 2 J PC<br />

0 − + 1<br />

1 S0<br />

0<br />

2 γ<br />

− −<br />

1 Ä×ÒÚÙÜÒÖÙÔÓ×ØÖÓÒÙÑ×Ý×Øe + e−ÒÓÒØÓÒÐÙÖ JPCÖØÖ×ØÕÙÄ×ÐÒ×ÒØÖØÐÐ×ÒÒØÐ×ØÖÒ×ØÓÒ×ÓÑÒÒØ× Ð×ÜØØÓÒÑÇÒØÙ×ÐÒÓØØÓÒÐ×ÔØÖÓ×ÓÔØÓÑÕÙ<br />

N2S+1 0ØÒØØØÒÙ×<br />

LJ ÄØØ3S1Ñ×ÓÒÚØÙÖ×ØÐÔÐÙ×ÓÒÒØÐ×ØØ×ÚL > ÔÖÐØÐÖÖÖÑÓÑÒØÒÙÐÖÈÓÙÖ×ÚÐÙÖ×J PCÖÒØ×<br />

ÇÒÔÙØÓÒ×ØÖÙÖÙÒÑÓÐÙÕÙÖÓÒÙÑ××ÙÖÐÑÓÐÙÔÓ×ØÖÓ<br />

0Ö×ÔØÚÑÒØ ...×ÓÒ×ØÒ× ... ×ÓÒ×ØÒ×ÐØØØÖÔÐØ×ÔÒØL>0, ηc, ηb, ...Øhc, hb, ÐØØ×ÒÙÐØ×ÔÒØL = 0ØL > ÒÙÑ×Ý×ØÑe + e−ÒÓÒÒÙÒØÓÖÉÒÔÖÑÖÔÔÖÓÜÑØÓÒÓÒ ÔÙØÖÖÖÐ×ÒÚÙÜÒÖ×ØØÓÒÒÖ××Ý×ØÑÔÓÙÖÙÒÔÙØ× ÔÓØÒØÐÓÙÐÓÑÒVem = −α rÓα=e 2 /c×ØÐÓÒ×ØÒØ×ØÖÙØÙÖÒ<br />

1 −−ÐØÐÈÑÔÐÓÙÒÒÓØØÓÒ×ÔØÖÓ×ÓÔÕÙÖÒχc, χb,<br />

ËÐÓÒÐØÐÈ ÙÙÒØØηbÒÒÓÖØÐÖÑÒØÒØ<br />

<br />

E1<br />

E1<br />

2<br />

2<br />

3 P0<br />

2<br />

3 P1<br />

2<br />

3 P2


V [GeV]<br />

5<br />

0<br />

−5<br />

−10<br />

0<br />

0.5 1 1.5 2 2.5 3<br />

dominance <strong>de</strong> Kr<br />

r [fm]<br />

4<br />

dominance <strong>de</strong> 1<br />

3 r<br />

αs<br />

−15<br />

ÔÓÖØÓÒÐÙÖÚÙÒÐÐÐØØÐÒÖÒ××× ÈÙØ×ÔÓØÒØÐÙÕÙÖÓÒÙÑVQCD(r)ÖÔÕÙ×ØÙÒ<br />

×ÒÚÙÜ×ÓÒØÖÔÖ×ÒØ×ÔÖÐÖÐØÓÒÓÖ<br />

−20<br />

2<br />

2 mec 1<br />

EN = −α<br />

4 N2 Ó<br />

ÐÒÓÑÖÕÙÒØÕÙÓÖØÐ<br />

...Ò×ÔØÖÓ×ÓÔN×ØÔÔÐÐÒÓÑÖÕÙÒØÕÙÔÖÒÔÐ1×Ø<br />

ÓÖØÐØÔÖØ×ÒÚÙÜÒÖ×ÒNØØÔÖØÓÒ×ØÒ×ÓÖ<br />

N<br />

ÚÐÓ×ÖÚØÓÒÚÓÖÙÖ<br />

= 1, 2,<br />

N<br />

ÔÖÐÒØÖÓÙØÓÒÖÒØ×ØÖÑ×ÓÖÖØ×VemÄÓÙÔÐ×ÔÒÓÖØ ØØÖÐØÓÒÓÒØÒØÑÔÐØÑÒØÐ×ÓÒØÖÙØÓÒ×ÜØØÓÒ×ÖÐØ ÇÒÔÙØÖØÐÖÙÒÓÖÔÐÙ××Ø××ÒØ<br />

= n + Ln = 1, 2, ...×ØÐÒÓÑÖÕÙÒØÕÙÖÐL=0 N −<br />

Ð×ÓÖÖØÓÒ××ÒÚÙÜÙ×VLSØVSS×ÓÒØÓÑÔÖÐ×ÒÑÔÓÖØÒØ ×ÒÚÙÜÐØÖÓÒÕÙ×ÐØÓÑØ×ÒÚÙÜÒÙÐÓÒÕÙ×ÙÒÓÝÙÇÒ Ð×ÖØÖÓÙÚÚÐÔÓ×ØÖÓÒÙÑØÚÐÕÙÖÓÒÙÑ×ÐÓÒÐØÓÖÉ<br />

SØÐÓÙÔÐ×ÔÒ×ÔÒVSS×ÓÒØÒÓÒÒÙ×Ò×Ð×ÖÔØÓÒ<br />

ÐÓÖÖ<br />

VLS ≈ L ·<br />

∆E ≃ α 4 mec 2 · 1<br />

N3 ÎÓÖÔÖÜÑÔÐÖÖÒ


masse [GeV]<br />

4.5<br />

4.0<br />

3.5<br />

ηc(2S)<br />

ψ(4415)<br />

ψ(4160)<br />

ψ(4040)<br />

ψ(3770)<br />

ψ (2S)<br />

γ γ<br />

χ c1(1P)<br />

seuil<br />

DD<br />

χ c2 (1P)<br />

− + − − + − + + + + + +<br />

0 1 1 0 1 2 JPC γ<br />

h c(1P)<br />

χc 0<br />

ππ η, π<br />

ψ(1S)<br />

γ γγ<br />

hadrons<br />

hadrons<br />

ηc<br />

3.0<br />

0<br />

γ *<br />

hadrons<br />

(1P)<br />

hadrons<br />

J hadrons<br />

(1S)<br />

γ*<br />

ØØ×ÒÙÐØ×ÔÒ×ØÖØX(nL)ÙÒØØØÖÔÐØXJ(nL)Ón×ØÐÒÖ ÐÒ××ÒÕÙÒØÐ×ØÖÒ×ØÓÒ×ÓÑÒÒØ×ØØÒÙ×ÄÒÓØØÓÒ×Ø ÐÐÐØÐÈÕÙ×Ò×ÔÖÐÒÓØØÓÒ×ÔØÖÓ×ÓÔÒÙÐÖÙÒ<br />

hadrons hadrons radiatif<br />

ÒÙÑÐÐØÖÓÒØÐÔÓ×ØÖÓÒÔÓÙÚÒØ×ÒÒÐÖÒÔÓØÓÒ×ÖÐ×ÄØÓÑÒ<br />

ÕÙÒØÕÙÖÐLÐÒÖÕÙÒØÕÙÓÖØÐÖÔÔÐN = n + L J = L + S<br />

×ÓÖÖØÓÒ××ØÒÐÙ×Ò×Ð×ÔØÖÖÔÖ×ÒØÐÙÖØÓÒÝ 0)ÙÔÓ×ØÖÓ<br />

S = 0ÓÙ1) ÁÐ×ÝÓÙØÙÒÓÖÖØÓÒ×ÔÕÙØÒØÐ×ÒÚÙÜ1S(L − ÓÒÒÜÔÐØÑÒØÐ×ÔÖØÓÒÒØÖÐ×ÒÚÙÜ1 3S1Ø1 1 Ð×ØÖÒ×ØÓÒ×ÑÓÑÒÒØ××ÓÒØÒÕÙ××ÙÖÐÙÖÐÐ×ÓÒØØÐÓØ É×ØØÖ×ÓÒØÓÙØÙÑÓÒ×ÔÓÙÖÐ×ÔÖÑÖ×ÒÚÙÜ Ñ×ÙÖ××ÔØÖÓ×ÓÔÕÙ×ÙØÔÖ×ÓÒÐÓÖÚÐ×ÔÖØÓÒ× Ä×ÒÚÙÜ×ÙÔÖÙÖ×ÙÔÓ×ØÖÓÒÙÑ××ÜØÒØÔÖÑ××ÓÒÔÓØÓÒ×<br />

S0<br />

Ä×ÔÖØÓÒÑ×ÙÖ×ÒÚÙÜ2 1S0Ø1 1 ÙÒÚÐÙÖÔÔÖÓÜÑØÚαÐS0×ØÎÓÒÔÙØÒØÖÖ <br />

2<br />

2 mec<br />

<br />

1<br />

<br />

Ä×ÒÚÙÜÒÖÙÖÑÓÒÙÑÒÓÒØÓÒÐÙÖJ PCÄ×<br />

ÎÒÓÒ×ÒÑÒØÒÒØÐÔÖØÓÒ×ÒÚÙÜÒÖÙÕÙÖÓÒÙÑ<br />

<br />

E2 − E1 = −α<br />

4<br />

− 1<br />

4<br />

α =<br />

<br />

16 5.1 [eV ]<br />

3 0.51 · 106 <br />

[ eV ]<br />

γ<br />

, Ó<br />

= 1<br />

136.9


ØØcc JPC Ñ×× ÐÖÙÖ<br />

<br />

[MeV ] [MeV ]<br />

<br />

<br />

ÐÙÖ ÌÅ×××ØÐÖÙÖ×ÒØÖÒ×ÕÙ×ØØ×ÒØ×ÙÖÑÓÒÙÑ ØÐÈ ÄÒÓØØÓÒ×ÔØÖÓ×ÓÔÕÙÙØÐ××ØÒÒ×ÐÐÒ<br />

Ò×ÐÖÐÔÔÖÓÜÑØÓÒÒÓÒÖÐØÚ×ØÊÑÖÕÙÓÒ×ÕÙØØÔÔÖÓÜ ÑØÓÒ×Ù×ØÙØÕÙÐ×ÓÒ×ØØÙÒØ×Ù×Ý×ØÑ×ÓÒØÐÓÙÖ×(mc ≃<br />

1.8 GeV/c2 , mb ≃ 5.3 GeV/c2 , mt ≃ 175 GeV/c2 ÒØÖØÓÒqqÚÓÖÖÐØÓÒ ÇÒÙÐÓ×ÓÒÔÖ×ÒØÖÙÒÓÖÑÔÐÙ×ÐÔÓÙÖÐÔÓØÒØÐ )<br />

VQCD = − 4 Ó αs<br />

+ Kr ,<br />

3 r<br />

ηc(1S) 0−+ ηc(2S) 0 −+ J/psi(1S) 1 −− ψ(2S) 1 −− <br />

hc(1P) 1 +− χc0(1P) 0 ++ χc1(1P) 1 ++ χc2(1P) 2 ++ <br />

αs×ØÐÓÒ×ØÒØÓÙÔÐÓÖØ<br />

K×ØÙÒÔÖÑØÖÑÔÖÕÙ <br />

3×ÖÙ×ØÙ§<br />

ÚÒØÒ×ÐÑÓÐÙÔÓ×ØÖÓÒÙÑ×ÓÖÖØÓÒ× ÔÖÑØ××ÙÖÖÐÓÒÒÑÒØ×ÕÙÖ×ÚÓÖÙÖ ØÐÒÙÒÐÙÓÒÐ×ÓÒØÖÑÔÖÔÓÒÖÒØÙÜÖÒ××ØÒ× ÊÔÔÐÓÒ×ÕÙÐÔÖÑÖØÖÑ ÓÑÒÒØÙÜÓÙÖØ××ØÒ×Ö ×ÓÒØÔÔÓÖØ××ÓÙ× ÓÑÑÙÔÖ<br />

ÐØÙÖ4


ØØbb JPC Ñ×× ÐÖÙÖ<br />

<br />

[MeV ] [MeV ]<br />

Υ(1S) 1−− <br />

Υ(2S) 1−− <br />

Υ(3S) 1−− <br />

<br />

<br />

ÌÅ×××ØÐÖÙÖ×ÒØÖÒ×ÕÙ×ØØ×ÒØ×ÙÓØØÓÑÓÒÙÑ <br />

ÐÙÖ ØÐÈ ÄÒÓØØÓÒ×ÔØÖÓ×ÓÔÕÙÙØÐ××ØÒÒ×ÐÐÒ<br />

ØÖÒ×ØÓÒ×ÔÖØ×ÔÖÐÑÓÐ×ÕÙÖ×ÔÓÙÖÐ××Ý×ØÑ×ÙÖÑÓÒÙÑ ÒØÖÒ×ÕÙ×Ñ×ÙÖ×ÔÓÙÖÐ×ÖÒØ×ØØ×ÒØ×ØÐÈ ØÙÓØØÓÑÓÒÙÑÄ×ØÐÙÜØÓÒÒÒØÐ×Ñ×××ØÐÖÙÖ× ÑÔÖÕÙÑÒØÄ×ÙÖ×ØÑÓÒØÖÒØÐ×ÒÚÙÜÒÖØÐ×<br />

ÐÓÖÖÙÔÓÙÖÒØÐ×ÔÖÑÖ×ÒÚÙÜÜØØÓÒØÓÙØÙÑÓÒ× ÑÓÐØÓÖÕÙÔÖÑØÖÔÖÓÙÖÐ×ÒÚÙÜÓ×ÖÚ×ÙÒÔÖ×ÓÒ ÇÒÔÙØÚÐÙÖÐÓÒ×ØÒØÓÙÔÐÓÖØαs(E)ÔÖØÖÐ×ÔÖØÓÒ Ä<br />

Ñ×ÙÖ×ÒÚÙÜÒÖ2 3S1Ø1 3S1ØÒÙØÐ×ÒØÐÖÐØÓÒ Ó<br />

<br />

ηb(1S) 0 −+ <br />

χb0(1P) 0 ++ χb1(1P) 1 ++ χb2(1P) 2 ++ χb0(2P) 0 ++ <br />

χb1(2P) 1 ++ <br />

χb2(2P) 2 ++ <br />

ÐÓÖÑÓÙÔÐ×VLSØVSSÐÐ×ÑÒÒØ×ÔÖÑØÖ×ÕÙ×ÓÒØÙ×Ø×


Masse [GeV]<br />

11.0<br />

10.5<br />

10.0<br />

η b (3S)<br />

ηb<br />

(2S)<br />

hadrons<br />

I (11019)<br />

I (10865)<br />

I (10580)<br />

I (3S)<br />

hadrons<br />

I (2S)<br />

hadrons<br />

γ<br />

γ<br />

hb<br />

hb<br />

η<br />

I<br />

b<br />

− + − − + −<br />

1 1<br />

+ + + + + +<br />

0 0 1 2 JPC γ γ<br />

9.5<br />

(1S)<br />

(1S)<br />

Ä×ÒÚÙÜÒÖÙÓØØÓÑÓÒÙÑÒÓÒØÓÒÐÙÖJ PCÄ× ÙØÐ×ÚÓÖÐÜÔÐØÓÒÓÒÒÒ×ÐÐÒÐÙÖ ÐÒ××ÒÕÙÒØÐ×ØÖÒ×ØÓÒ×ÓÑÒÒØ×ØØÒÙ×ÈÓÙÖÐÒÓØØÓÒ<br />

b0<br />

b1<br />

Seuil BB<br />

χ<br />

χ<br />

(2P) b0(2P) b1(2P) b2(2P)<br />

χ<br />

γ<br />

(1P)<br />

χ (1P)<br />

9<br />

9<br />

9 9<br />

9<br />

9 9<br />

9<br />

9 99<br />

9<br />

9<br />

9<br />

χ (1P)<br />

χ (1P)<br />

a) b)<br />

K<br />

s<br />

u<br />

K<br />

s s<br />

φ<br />

J/ ψ<br />

+<br />

u<br />

s<br />

M1 q1 M2 q2<br />

q2 M3<br />

q3 q3<br />

q1<br />

ÖÑÑ×ÓÑÒÒØ×Ð×ÒØÖØÓÒØØ×ÙÖÑÓÒÙÑ<br />

c<br />

c<br />

ØØ×J PC = 1−−×ØÙ×Ù××Ù×Ù×ÙÐDDÖÑÑÓÒÒØØØ× JPC = 1−−×ØÙ×Ù××ÓÙ×Ù×ÙÐDDÖÑÑÓÒÒØÚÒ ÐÙÓÒ×ÚÖØÙÐ×MiÑ×ÓÒ×ÒÓÒÖÑ×<br />

<br />

b2


4<br />

3αs×Ø×Ù×ØØÙÖαÐÒÖÓÖÖ×ÔÓÒÒØÐÑ××ÙÖÑÓÒÙÑ αs(mJ/ψ) ≃ 3 ÐÒÖÑ××ÙÓØØÓÑÓÒÙÑÐÐÙÐÓÒÒ<br />

1<br />

2<br />

16 3.69 − 3.10<br />

≃ 1.<br />

4 3 1.8<br />

αs(mΥ) ≃ 3<br />

ÔÖÑÖ×ÒÚÙÜÙ×ÔØÖ××ØÙÒØÙ××ÓÙ×Ù×ÙÐ×ÒØÖØÓÒÒ ÙÜÖÓÒ×ÔÓÖØÙÖ×Ð×ÚÙÖÕÙÖÐÓÙÖÓÒÖÒÒ×ÐÖÑÓÒÙÑ ÄÑÓÐÙÕÙÖÓÒÙÑÖÚÐÙÒÖØÖ×ØÕÙÔÖÓÔÖ×Ý×ØÑÐ×<br />

1<br />

2<br />

16 10.02 − 9.46<br />

≃ 0.5<br />

4 3 5.3<br />

×ÓÒØÒ××ÓÙ×Ù×ÙÐ×ÒØÖØÓÒÒBBÚÓÖÙÖÈÓÙÖ× ÚÓÖÙÖ<br />

ÖÑÑÓÒÒØÚÓÖÙÖØÓÒÙÒÔÖÓ××Ù×ÓÖØÑÒØÒ ÚÔÖÓÙØÓÒÖÓÒ×ÐÖ×ÄÑÒ×ÑÒ××ÓÒ×ÑÔÐÕÙÙÒ ÒÚÙÜÐ×ÒØÖØÓÒÔÙØØÖ×ÓØÑÚÑ××ÓÒÔÓØÓÒ××ÓØÓÖØ Ð×ÒÚÙÜL<br />

ÖÐÇÁÚÓÖ§ÇÒÓÑÔÖÒ×ÐÓÖ×ÔÓÙÖÕÙÓ×ØØ×ÕÙÖÓÒ<br />

= 0, N = n < 3×ÓÒØÒ××ÓÙ×Ù×ÙÐ×ÒØÖØÓÒÒDD ØÒ×ÐÓØØÓÑÓÒÙÑÐ×ÒÚÙÜL = 0, N = n < 4<br />

ÉÒ×ÐÖÑÑÐÙÖÓÒØÖÓ×ÐÙÓÒ×Ò×ÁÒÕÙÖ 50ÃÎ<br />

≃ 90ÃÎ, ÓÒØ×ÐÖÙÖ×ÒØÖÒ×ÕÙ×ÖÙØ×ÔÖÜΓJ/ψ ΓΥ ≃ Ð×ÖÐ××ÐØÓÒØÖÑÒÒØ×ÓÑÔÖÖÐÒÒÐØÓÒe + e−ÐÖÖØÒ× ÐØØØÖÔÐØ×ÔÒ<br />

ÇÒÔÙØÐÓÑÔÖÒÖÒÖÔÔÐÒØÕÙÔÖ×ÙØÐÓÒ×ÖÚØÓÒCÐ ÊÐÚÓÒ×ÒÓÖÕÙÐ×ØØ××ÒÙÐØ×ÓÒØ×ÐÖÙÖ×ÒØÖÒ×ÕÙ×Ò×Ù 13ÅÎ ÔÖÙÖ×ÐÐ××ØØ×ØÖÔÐØ×ÓÖÖ×ÔÓÒÒØ×ÔÖÜΓηc(1S) ≃ ÑÒ×ÑÓÑÒÒØ×ØÙÒÒÙÜÐÙÓÒ×Ò×ÐÔÖÑÖ×Γ ≈ α2 s ) ØØÖÓ×ÐÙÓÒ×Ò×Ð×ÓÒΓ ≈ α3 s )<br />

ÆÓØÖÓØ×ØÔÔÖÓÓÒÖÐÜÑÒÙ×ÙØÒÔÖØÙÐÖÑÓÒØÖÖ ÄÓÒÔØÐÖÓÙÐÙÖØÓÖÙ§ØÙ§ ÄÖÓÙÐÙÖËÍ ÓÙÐÙÖ<br />

ÐÚÒØÖÒØ××ØÙØÓÒ×ÔÖØÕÙ×Ù×ØÖÐÔÓ×ØÙÐØÓÒØÒÙÒ×Ð× ÖÐØÓÒ× ÔÔÐØÓÒ×ÖÓÑÓÑÒØ×ѧ ÓÑÑÒØÓÒÔÙØØÖÑÒÖÐ×ØÙÖ×ÓÙÔÐ×ØÙÖ×ÓÙÐÙÖÖ Ø Ø§ 1/2ÙØÐ×Ò×Ð×<br />

4.5ÅÎÒÓØÓÒ×ÕÙÐ<br />

ØÖØÖÓÙÚÖÐØÙÖαqq/αqq =<br />

<br />

−1ÓÑÑÐÔÓØÓÒ ÐÒÖÑ××ÙÓ×ÓÒÐØÐÈÓÒÒαs(mZ) ≃ 0.12) ÈÖÓÑÔÖ×ÓÒÐÑ×ÓÒφ×Ý×ØÑssÙÒÐÖÙÖΓφ ≃ ÊÔÔÐÐÐÙÓÒÙÒÓÒÙ×ÓÒÖCÐÙÓÒ=<br />

Ñ××Ùφ ÅÎÔ××Ð×ÙÐ×ÒØÖØÓÒÒKK


ÔÖÐ×ÖÐØÓÒ×ÓÑÑÙØØÓÒ ØÖØÒØ×ÙÔÔÓ×ÜØÄ×ÒÖØÙÖ×ÖÓÙÔ×ÓÒØÐ×ÙØÑØÖ× ÊÔÔÐÓÒ×ÕÙÐØÓÖÉ×Ø××ÙÖÐÖÓÙÔËÍ Ò×ÉÓÒÑØÕÙÙÒÕÙÖ ÐÐÖÙÖÓÙÔ×ØÐÙÒ ÓÙÐÙÖØØ×ÝÑ<br />

ÓÙÐÙÖÔÙØÔÖÒÖØÖÓ×ÓÙÐÙÖ×ÖÒØ×ÕÙÓÒÔÔÐÐÓÑÑÙÒÑÒØ ÒØÖØÓÒÑØÙÒÖÓÙÐÙÖ×ÓÙÖÒØÖØÓÒÓÖØÁÐ×× ØÒÙÒÐÓÒÑÒØÐÑÒØÙÒÐÔØÓÒÔÐÙ×ÓÒÔÓ×ØÙÐÕÙÐÖ<br />

ÐÐÅÒÒλi(i =<br />

ÖÐØÖÕÙ×ÒÓÔÔÓ×ØÙ××ÙÒÖÓÙÐÙÖ×ÒÓÔÔÓ×<br />

×ÚÙÖÓÒÒ(q =<br />

×ØÖÓ×ØØ×ÓÙÐÙÖØ×ØÖÓ×ØØ×ÒØÓÙÐÙÖ×ÓÒØÐ×ÚØÙÖ×<br />

λ8<br />

ÖÓÙÖÚÖØØÐÙÄÒØÕÙÖ(q = ÕÙÓÒÔÔÐÐr, g, ×Ø3ÐÖÔÖ×ÒØØÓÒÙÖÓÙÔÒ×ÐÔÐÒλ3,<br />

ÄÒØÖØÓÒÒØÖÙÜÕÙÖ×ÓÙÒØÖÙÒÒØÕÙÖØÙÒÕÙÖ×ØÔÖÓÔ ÔÖÙÒÐÙÓÒÚØÙÖÔÔÖØÒÒØÐÓØØ(8c)ÓÙÐÙÖÒØÓÙÐÙÖÒ×<br />

<br />

Ä×ØØ×ÐÙÓÒ×Ò×Ò××ÓÒØÔÓÖØÙÖ×Ö×ÓÙÐÙÖØØ ÔÙÚÒØÒØÖÖÒØÖÙÜ ÄØØÐÙÓÒÔÔÖØÒÒØÙ×ÒÙÐØ(1c)ÓÙÐÙÖÒØÓÙÐÙÖ<br />

×ØÙÒÒÚÖÒØ×ÓÙ×Ð×ØÖÒ×ÓÖÑØÓÒ×ËÍ ÒÔÖÖÔ×ÙÖÐÖÐÔÓ××ÐÙÒØÐ×ÒÙÐØÐÙÓÒ ØÖØÓÒÓÖØÒØÖÕÙÖ×ÓÙÒØÕÙÖ×ÔÓÖØÙÖ×ÓÙÐÙÖÇÒÖÚÒÖÒ ÊÐÚÓÒ×ÐÖÒÚËÍ×ÚÙÖÕÙÒ×ØÕÙÙÒ×ÝÑØÖÔÔÖÓ<br />

ÓÙÐÙÖÐÒÓÒØÖÙÔ×ÐÒ<br />

Ô×ÖÐØÖÕÙ Ö ÆÓØÞÐÖÒ×ØÙØÓÒÔÖÖÔÔÓÖØÐÐÔÖÚÐÒØÚÐÔÓØÓÒÕÙÒÔÓÖØ ÆÓØÓÒ×ÕÙ×ÓÙÐÙÖ×ÒÓÚÒØÔ×ØÖÔÖ××Ù×Ò×ÐØØÖÐÑ×ÓÑÑ×ÚÐÙÖ×<br />

<br />

8)ÖØ×Ò ...)×ØÔÓÖØÙÖÐÓ×ÙÒÖÐØÖÕÙ×ÓÙÖ<br />

1, ... ,<br />

...)×ØÔÓÖØÙÖÙÒ<br />

u, d, s,<br />

u, d, s,<br />

b<br />

<br />

⎡ ⎤<br />

⎡ ⎤<br />

8cÑØØÖÒÔÖÐÐÐÚÐÓØØqq×ÚÙÖ<br />

r r<br />

|ÓÙÐÙÖ〉 = ⎣ g ⎦ , ÓÙÐÙÖ = ⎣ g ⎦<br />

b<br />

b<br />

3c ⊗ 3c = 1c ⊕<br />

g1 = br , g2 = gr , g3 = gb ,<br />

g4 = rb , g5 = rg , g6 = bg ,<br />

g7 = 1 √ 2 (rr − gg) , g8 = 1<br />

√ (rr + gg − 2bb)<br />

6<br />

g0 = 1 <br />

√ (rr + gg + bb)<br />

3


ÐÐÙ×ØÖØÓÒ×ÙÓÙÖÒØÓÙÐÙÖÓÖÖ×ÔÓÒÒØ<br />

b) ËØÙØÓÒ×ÓÙÔÐÓÙÐÙÖÒØÖÙÜÕÙÖ×ÖÒØ×(r,<br />

a) b)<br />

r<br />

r<br />

r<br />

r<br />

r r<br />

ËØÙØÓÒÓÙÔÐÓÙÐÙÖÒØÖÙÜÕÙÖ×ÒØÕÙ×(r) ÓÙÖÒØÓÙÐÙÖÓÖÖ×ÔÓÒÒØ<br />

g7 , g8 r<br />

r<br />

r<br />

r<br />

ÒØÕÙÖ×ÐÙÓÒ×ÖÒØ××ØÙØÓÒ××ÓÒØÐÐÙ×ØÖ×Ò×Ð×ÙÖ×Ø ÎÒÓÒ×ÒÙÐÙÐ×ØÙÖ×ÓÙÔÐÒØÖÚÒÒØÙÜÚÖØÜÕÙÖ× ÄÙÖÔÖ×ÒØÐ×ÙÜ×ØÙØÓÒ×ÓÙÔÐÓÙÐÙÖÒØÖ<br />

<br />

ÙÜÕÙÖ×ÖÒØ×ÔÓÖØÙÖ×ÔÖÜÖ×rØbÒ×ÐÓÙÔÐrb → br<br />

9<br />

9<br />

9<br />

9<br />

9


ÒØÖÒÐÒÓÑÔØÒ×ÐÒÕÙÓÒÒ ×ØÐÒ<br />

= ×ÙÐÐØØÐÙÓÒg1 ÐÓÒØÖÙØÓÒ〈rb|Hc|br〉 = rb<br />

= ÐØØÐÙÓÒg8 3β2ÄÖÒÙÖβÒØÖÓÙØÙÜÚÖØÜÕÙÖ× ×ØÖØÑÒØÖÐÐÓÒ×ØÒØÙÓÙÔÐÓÖØαsÓÑÑÓÒÚÐÚÓÖ ÐÙÓÒ×ØÙÒÑ×ÙÖÐÓÖÓÙÐÙÖ−βÙÚÖØÜÒØÕÙÖ×ÐÙÓÒÐÐ<br />

ØÝÔÓÙÔÐ ÓÙÐÙÖ ØØ×ÐÙÓÒ Ò× ÙÓÙÔÐ ÓÒØÖÙØÓÒ<br />

〈rb|Hc|rb〉 = 1 √ 6 (− 2<br />

+β2Ò×ÐÓÙÔÐrb → 1 −2bb)ÕÙÐÙÔÓÙÖÐÕÙÐÓÒÐÓÒØÖÙØÓÒ<br />

√ (rr+gg<br />

6<br />

√ β<br />

6) 2 = −1 rb → br g1 +β 2<br />

rb → rb g8 − 1<br />

3 β2<br />

rr → rr + g7Øg8 2<br />

3β2 rr → bb g1 −β2 br → br g8 + 1<br />

3β2 rr → rr − g7Øg8 2<br />

3β2 ÌØÙÖ×ÓÙÔÐÔÓÙÖÖÒØ××ØÙØÓÒ×ÔÖØÕÙ×Ä×ØØ× ÐÙÓÒ××ÓÒØÙÜÒ×Ò×ÐÖÐØÓÒ ÙØÖ××ØÙØÓÒ×ÔÙÚÒØØÖ<br />

ÄÙÖÔÖ×ÒØÐ×ØÙØÓÒÓÙÔÐÓÙÐÙÖÒØÖÙÜÕÙÖ× ÖÐ××ÔÖÔÖÑÙØØÓÒ×r↔gÓÙb ↔ g<br />

ÒØÕÙ×ÔÓÖØÙÖ×ÔÖÜÐÖr: rr → rrÐ×ØØ×ÐÙÓÒ×g7Øg8 ÔÖØÔÒØÐÒØÓÒÒÒØÐÓÒØÖÙØÓÒØÓØÐ〈rr|Hc|rr〉 = 1 √ √1 β<br />

2 2 2 +<br />

√1 1√ β<br />

6 6 2 = + 2<br />

3 β2Ä×ÓÒØÖÙØÓÒ×ÖÐØÚ×ÙÜÓÙÔÐ×ÓÙÐÙÖÑÔÐÕÙÒØ ÙÒÕÙÖØÙÒÒØÕÙÖ×Ù×ÒØ×Ö×ÙÐØØ×ÔÖÒØ×ÒØÙÒØÙÒ<br />

ÖÓÒ×Ó×ÖÚ× ÐÒ×ÑÐ××ØÙØÓÒ×ÚÓÕÙ×××Ù× ÒÑÒØÙ×ÒβÙÚÖØÜÒØÕÙÖ×ÐÙÓÒÄØÐÙÖ×ÙÑ<br />

ØØ×ÐÓØØÓÙÐÙÖÈÓÙÖÐØØ×ÒÙÐØÐÓÑÔÓ×ÒØÓÙÐÙÖÐ ÄÔÖqqÑ×ÓÒÔÙØØÖÒ×ÐØØ×ÒÙÐØÓÙÐÙÖÓÙÒ×ÙÒ× ÔÔÐÕÙÓÒ×ÑÒØÒÒØ×Ö×ÙÐØØ×ÙÜ×Ý×ØÑ×qqØqqq××ÓÐ×ÙÜ<br />

<br />

ÊÔÔÐ3 ⊗ 3 = 1 ⊕ 8


ÓÒØÓÒÓÒ×ÖØÚÓÖ |qq, 1c〉 = 1 √ (rr + gg + bb)<br />

3 ÄÓÑÒ×ÓÒÓÙÐÙÖrrÒÖØÖÓ×ÓÒØÖÙØÓÒ×ÐÐrr → rr(− 2<br />

3β2 ) ÐÐrr → bb(−β2 )ØÐÐrr → gg(−β2 )ÓÒØÐ×ÓÑÑØ− 8<br />

3β2Ä× ÔÖ×ÝÑØÖÔÖ×ÚÓÖØÒÙÓÑÔØÙØÙÖÒÓÖÑÐ×ØÓÒÐÓÒ ÙÜÙØÖ×ÓÑÒ×ÓÒ×ÓÙÐÙÖ(ggØbb)ÓÒÒÒØ××ÓÑÑ×ÕÙÚÐÒØ× ØÓÒÓÒÓÒÓØÒØÐÓÒØÖÙØÓÒØÓØÐ1 √3 √<br />

1<br />

· 3 · (−<br />

3 8<br />

3β2 ) = − 8 ×ÒÒØ×ÒÕÙÐÒØÖØÓÒÒÕÙ×ØÓÒ×ØÒØÙÖØØÖØÚÈÓÙÖ<br />

ÑÑÔÖÓÙÖÕÙ××Ù×ØÒ×ÔÔÙÝÒØ×ÙÖÐ×ÓÒÒ×ÙØÐÙ ×ØÖÙØÙÖÓÙÐÙÖÕÙÐ×ÓÑÔÓ×ÒØ×ÐÓØØÐÙÓÒ×ÖÐØÓÒ ÓÒØÖÙØÓÒÕÙØØÙÓÙÔÐÓÙÐÙÖÔÙØØÖØÐÒ×ÙÚÒØÐ<br />

8c〉ÓÒØÐÑÑ Ä Ð×ØØ×ÐÓØØÐ×ÓÑÔÓ×ÒØ×ÐÓÒØÓÒÓÒ|qq,<br />

ÇÒØÖÓÙÚÕÙØØÓÒØÖÙØÓÒÚÙØ+ 1<br />

3β2ÔÓÙÖÙÒ×ÙØØØ×ÐÐ ÖÔÖ×ÒØÙÒÒØÖØÓÒÒØÙÖÖÔÙÐ×Ú ÉÑÓÒØÖÖÕÙÔÓÙÖÐ×ÑÑÖ×ÐÓØØÓÙÐÙÖÐÔÖqqÐÓÒØÖ ÙØÓÒÙÓÙÔÐÓÙÐÙÖÚÙØ+ 1<br />

3β2 ÓÙÐÙÖÓÙÒ×ÙÒØØÙ×ÜØØÓÙÐÙÖÐÐ××ÓÒØÓÙÔÐ×ÙØÖÓ×Ñ ×Ö×ÙÐØØ×Ù×ØÒØÐÔÓ×ØÙÐØÓÒØÒÙÑÔÐØÑÒØÒ×ÐÖÐØÓÒ Ä×ÔÖ×qqÙ×Ý×ØÑqqqÖÝÓÒÔÙÚÒØØÖÒ×ÙÒØØÐÒØØÖÔÐØ <br />

ÕÙÖØÖÔÐØÓÙÐÙÖÔÓÙÖÓÖÑÖÐÙÒ×ÖÔÖ×ÒØØÓÒ×ÖÖÙØÐ×<br />

8cÓÙ10c<br />

ÒÓÙ××ÙØÚÐÙÖÐÓÒØÖÙØÓÒÐÔÖÑÖÒÒÓÙ×ÖÔÓÖØÒØÙØÐÙ<br />

rg)ÓÒØÐ×ÓÒØÖÙØÓÒ×ÙÓÙÔÐ×ÓÒØÕÙÚÐÒØ×ÔÖ×ÝÑØÖÁÐ ÐÒ×ÑÐqqq1c, ÓÒÐ×ÓÒÙÖØÓÒ×ÓÙÐÙÖ(rb ÈÓÙÖÐÒØØÖÔÐØ qq, 3 −br) (bg −gb)<br />

Ø(gr −<br />

〈rb − br|Hc|rb − br〉 = 〈rb|Hc|rb〉 + 〈br|Hc|br〉 − 〈rb|Hc|br〉 − 〈br|Hc|rb〉 =<br />

2(− 1<br />

3 β2 ) − 2(β 2 ) = − 8<br />

ÚÓÖ ÓÒÓØÒØÔÓÙÖÐÒ×ÑÐ×ØÖÓ×ÓÒÙÖØÓÒ×ÓÙÐÙÖÐ ÌÒÒØÓÑÔØÙØÙÖÒÓÖÑÐ×ØÓÒÐÓÒØÓÒÓÒÙ×Ý×ØÑqqq<br />

2 ÔÖqq √6 1 3 −8 3β2 = −4 3β2 ÈÓÙÖÐ×ÜØØ|qq, 6c〉ÓÒÐ×ÓÒÙÖØÓÒ×ÓÙÐÙÖrr, 1 bb, gg, √2 (rb+<br />

br), 1 (gb+bg)ÐÐÙÐÑÓÒØÖÕÙÐÙÖÓÒØÖÙØÓÒÒ×ÑÐ<br />

√ (rg +gr)Ø1 √2<br />

2 ÚÙØ+ 2 ÊÔÔÐ3 ⊗ 3 = 3 ⊕ 63 ⊗ 3 ⊗ 3 = (3 ⊕ 6) ⊗ 3 = 1 ⊕ 8 ⊕ 8 ′ <br />

⊕ 10<br />

3 β2ÓÙÔÐÖÔÙÐ×<br />

3 β2 ÓÙÔÐØØÖØ<br />

3 β2Ä


ÉÑÓÒØÖÖÕÙÔÓÙÖÐ×ÑÑÖ×Ù×ÜØØÓÙÐÙÖÐÔÖqqÐÓÒØÖ ÙØÓÒÙÓÙÔÐÓÙÐÙÖÚÙØ+ 2 ×Ö×ÙÐØØ×ÓÒØ×ÑÔÐØÓÒ×ÒØÖ××ÒØ××ÙÖÐ×ÓÙÔÐ×ÓÙÐÙÖ<br />

×ØÒ×ÐØØ×ÜØØÓÙÔÐÖÔÙÐ×ÒÒÒ×Ð×ÙÜÓØØ×ÓÙÐÙÖ ÑÒØÒØ×ÝÑØÖÕÙØÓÙØÔÖqq×ØÒ×ÐØØÒØØÖÔÐØÓÙÔÐØØÖØ 1c〉ÓÑÔÐØ ÔÓ××Ð×Ù×Ý×ØÑqqqÒ×ÐØØ×ÒÙÐØÓÙÐÙÖ|qqq, Ò×ÐÙÔÐØÓÙÐÙÖ|qqq, 10〉ÓÑÔÐØÑÒØ×ÝÑØÖÕÙØÓÙØÔÖqq<br />

|qqq, 8cØ8 c 〉ÖØÒ××ÔÖ×qq×ÖØØÒØÐÒØØÖÔÐØØÙØÖ×Ù Ù×ÒÙÐØÙ×Ý×ØÑqqq×ØÐ×ÙÐÓÐÓÒÓØÒØÙÒØØÖØÓÒÑÙØÙÐÐ ×ÜØØÑÐÒÓÙÔÐ×ØØÖØØÖÔÙÐ×ÇÒÚÓØÕÙÐÓÒÙÖØÓÒ<br />

ÐÖÐØÓÒ ÒØÖ×ØÖÓ×ÕÙÖ××ØÓÒÐÓÒÙÖØÓÒÓÙÐÙÖÚÓÖ×ÔÓÙÖÐ ×ÖÔØÓÒÐØØÐqqqÕÙÙ×ØÐÔÓ×ØÙÐØÓÒØÒÙÑÔÐØÑÒØÒ×<br />

ÚÐÒÙÒÔÓØÓÒÒ×ÐÒØÖØÓÒÑÒ×ØØÔÔÖÓÜÑØÓÒÐ ÕÙÖ××ØÖØÓÑÑÖ×ÙÐØÒØÐÒÙÒÐÙÓÒÚÖØÙÐÔÖÒÐÓ Ò×Ð×Ö×ÓÒÒÑÒØ×××Ù×ÐÒØÖØÓÒÓÙÐÙÖÒØÖÕÙÖ×ØÒØ <br />

<br />

×ØÐØÑØØÖÙÖÐ×ØÙÖ×ÓÙÔÐÐÙÐ×ÔÓÙÖÐ××ÒÙÐØ×|qq, 1c〉<br />

ÒÓÑÔÖÒØÐ×ÖÐØÓÒ×Ø ÓÒÙØÕÙ <br />

2ÑÒØÓÒÒ <br />

ÒØÙÖØÒØ××ÒÙÐØ×ÓÙÐÙÖÓÒÔÙØÓÒÚÓÖÔÖÓÖÐÜ×ØÒÙÒ Ù§<br />

ØÒØÑ××ÒÙÐÐØØÓÑÔÓ×ÒØÓÖÙÖØÙÒÔÓÖØÒÒÓÑÑ ØØ×ÒÙÐØÓÙÐÙÖÄ××Ý×ØÑ×Ð×qqØqqqÖÓÒ×Ó×ÖÚ×Ò×Ð ÓÑÔÓ×ÒØÒØÖØÓÒØÝÔÒÓÙÚÙÖ×ÙÐØÒØÐÒg0ÄÐÙÓÒ<br />

ÙØÖÔÖØÒÓÑÔÖÒØÓÒÖØÖÓÙÚÐØÙÖ1<br />

×ÕÙÖ×ÄØØÐÙÓÒg0×ÐÜ×ØÒÔÖØÔ×ÓÙÖÖÐ×ÒØ ÔÓÙÖÐÔÓØÓÒÕÙ×ØÒÓÒØÖØÓÒÚÐ×Ø×Ó×ÖÚ×ÓÒÒÑÒØ<br />

ÆÓÙ××ÓÒ×ÑÒØÒÒØÙÒÖØÓÙÖÐÕÙ×ØÓÒÙÖÐÔÓ××ÐÙÐÙÓÒg0<br />

Ò×Ð×ØØ×Ð×qqØqqqÈÖÓÒØÖÓÒÔÙØÑÒÖ××ÒÙÐØ×ÓÙÐÙÖ ØÖÒ×ÓÖÑÖ×ÖÓÒ×ÒÙØÖ×ÓÙÐÙÖÒÖÓÒ×Ö×ÓÙÐÙÖÔÖÓ××Ù×ÒÓÒ Ó×ÖÚÓÙÖ ÆÓØÓÒ×ÕÙÐÒÙÒÐÙÓÒÓÐÓÖÐÓØØØÝÔg1g8ÙÖØÔÓÙÖØ<br />

<br />

′<br />

3 β2<br />

1c〉ÐÓÑÔÓ×ÒØÙÔÓØÒØÐÒØÖØÓÒÓÑÒÒØÓÙÖØ×ØÒ Ø|qqq,<br />

(≈ 1<br />

r ) Vqq(r) ⇐ − 8<br />

3 β21<br />

r<br />

β 2 = αs<br />

2 =ÓÒ×ØÒØÓÙÔÐÓÖØ<br />

, αs<br />

Vqq(r) ⇐ − 4<br />

3 β21<br />

r


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9<br />

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9<br />

9<br />

2 λαγ µ <br />

][u(1)c1]<br />

2 λβγ ν <br />

][u(2)c2]<br />

4 λα c2)


Ä×ÓÑÑØÓÒ×ÙÖÐÒÓÙÐÙÖα×ØÑÔÐØ<br />

ÓÒ×ÕÙÒØÐ×ÖÐØÓÒ× <br />

<br />

8<br />

ÖÒØÐÐ× ÓÙÐÙÖ×ÙÜÕÙÖ×ÒÒØÖØÓÒ×ØÖ×ÓØÐÒØØÖÔÐØÓÑÒ×ÓÒ× ÇÒÚÙÙ§ÕÙÐÚÐÙÖÙØÙÖfqq×ØÓÒØÓÒÐÓÒÙÖØÓÒ ×ÓÒØÔÔÐÐ×ÙÜ×ØÓÒ××<br />

ÒØ×ÝÑØÖÕÙ××ÓØÐ×ÜØØÓÑÒ×ÓÒ××ÝÑØÖÕÙ×ÇÒÒØÐ ÐÙÐÔÓÙÖÐÔÖÑÖ×ÔÖÙÒÚÓÖÔØÙÓÒ×ØØÖÜÑÔÐÐ ÐÙÐÔÓÙÖÙÒØØØÝÔÕÙÙ×ÜØØrrÒÔÖØÒØÐÜÔÖ××ÓÒfqqÒ× ÇÒc1 =<br />

ÍÒÓÙÔÓÐÙÜÑØÖ×λαÐÐÅÒÒÚÓÖ ×ÙÐ×λ3Øλ8ÓÒØÙÒÒØÖÒÔÓ×ØÓÒ ÈÖÓÒ×ÕÙÒØ ØÔÔÖØÖÕÙ <br />

ÒÐÒÒÓÒÖÐØÚ×ØÓÒÚÙÕÙÐ×ÒÔÓ×ØfqqÓÖÖ×ÔÓÒÙÒ ÔÓØÒØÐÒØÖØÓÒÖÔÙÐ× Ù×ÓÒÓÖØÙÒÕÙÖ×ÙÖÙÒÒØÕÙÖ×ÚÙÖ ÖÒØ<br />

3<br />

ÔÙØÖÖÑÐ Ð××ÚÙÖ××ÓÒØÖÒØ×ÔÖÝÔÓØ×ÚÐÒÓØØÓÒÐÙÖ ÔÖÐÖÑÑÐÙÖÄÖÑÑ×ØÒÓÖÔÙ×ÕÙ ÓÒ ÇÒÙÒÔÖÓ××Ù×ÙØÝÔu +<br />

−iMqq = [u(3)c †<br />

3 ] <br />

<br />

<br />

1Ô×ØÙÖÓÙÐÙÖÈÖ<br />

<br />

α=1<br />

geØfqq =<br />

ÄÖÐØÓÒÖÔÖ×ÒØÙ××ÐÑÔÐØÙÙ×ÓÒÑe − + µ − →<br />

e− + µ −×ÐÓÒÔÓ×gs =<br />

⎛<br />

c2 = c3 = c4 = ⎝<br />

1<br />

0<br />

0<br />

Ó ⎞<br />

⎠<br />

f {6}<br />

qq = 1<br />

⎡ ⎛ ⎞⎤<br />

⎡ ⎛ ⎞⎤<br />

8 1<br />

1<br />

⎣(100)λα ⎝ 0 ⎠⎦<br />

⎣(100)λα ⎝ 0 ⎠⎦<br />

=<br />

4<br />

α=1 0<br />

0<br />

1<br />

4<br />

f {6} 1<br />

=<br />

qq<br />

4 [λ11 3 λ11 3 + λ11 8 λ11 8<br />

8<br />

(λ 11<br />

α=1<br />

α λ 11<br />

<br />

1 1 1<br />

] = (1)(1) + √3 √3 = +<br />

4<br />

1<br />

α )<br />

d → u + dÓÒØÐÑÒ×Ñ×ØÖÔÖ×ÒØ<br />

<br />

−i gs<br />

[v(2)c †<br />

2]<br />

<br />

2 λαγ µ<br />

<br />

−i gs<br />

2 λβγ ν<br />

<br />

−igµνδ<br />

[u(1)c1]<br />

αβ<br />

q2 <br />

[v(4)c4]


a) b)<br />

p , c p , c<br />

3 3<br />

9<br />

9<br />

9<br />

9<br />

9<br />

9<br />

4 4<br />

3 4<br />

9<br />

9<br />

9<br />

9<br />

ÒØÕÙÖ ÖÑÑ×ÙÔÖÑÖÓÖÖÖÔÖ×ÒØÒØÐÙ×ÓÒÓÖØÕÙÖ<br />

q<br />

p, c p , c<br />

1 1<br />

2 2<br />

1 2<br />

ÐÑÔÐØÙ×ÓÙ×ÐÓÖÑ ÒÖÖÓÙÔÒØÐ×ØÓÖ××ÔÒÙÖ×ÓÑÑÙÔÖÚÒØÓÒÔÙØÖÖ<br />

Mqq = −g 2 1<br />

s<br />

q2[u(3)γµ u(1)][v(2)γµv(4)] 1<br />

4 (c† 3λ α c1)(c †<br />

fqq1<br />

4 (c† 3λαc1)(c †<br />

2λα ×ÓÑÑØÓÒ×ÙÖÐÒαÑÔÐØ 1Ò× ØØÖÐØÓÒ<br />

c4) ËÐÓÒ×Ù×ØØÙgs → ge, αs → αØÐÓÒÔÓ×f = ÖÔÖ×ÒØÐÑÔÐØÙÙ×ÓÒÑe − + µ + → e− + µ + ØÙÖÓÙÐÙÖfqq ÓÙÐÙÖÓÙÒ×ÐÐÐÓØØÓÙÐÙÖØÓÒÒÓÒÒÐ×ÚÐÙÖ×Ù ÇÒÚÙÙ§ÕÙÐ×Ý×ØÑqqÔÙØØÖÒ×ÐÓÒÙÖØÓÒÙ×ÒÙÐØ<br />

ÒÒÐØÓÒÓÖØÙÒÒØÕÙÖØÙÒÕÙÖÑÑ ×ÚÙÖ<br />

.<br />

ÒÙÜÐÙÓÒ×ÚÓÖÙÖ ÌÖÓ×ÖÑÑ×ÙÔÖÑÖÓÖÖÓÒØÖÙÒØÙÜÔÖÓ××Ù×ÒÒÐØÓÒ ÈÓÙÖÐÖÑÑÓÒ<br />

−iMa = [v(2)c †<br />

2 ][−igs<br />

2 λβγ µ ][ε ∗ 4µ aβ∗ 4 ]<br />

<br />

i(/q + m)<br />

q2 − m2 <br />

[−i gs<br />

2 λαγ ν ][ε ∗ 3νaα∗ ÊÔÔÐÐÓÒØβ 2ÚÙØαs/2 ÊÔÔÐÐÙÖ ØÐÒÓØØÓÒÖ /p = γ µ pµ<br />

Ú<br />

g 2 s4παs<br />

2λ α c4) <br />

3 ][u(1)c1]


a) b)<br />

p , ε , c 3 3 3<br />

p , ε , c 4 4 4<br />

α,µ<br />

β,ν<br />

)<br />

99<br />

99<br />

p,c<br />

1 1<br />

)<br />

q<br />

c)<br />

(<br />

9<br />

9<br />

3<br />

9<br />

9<br />

p , c<br />

9)<br />

2 2<br />

α,µ<br />

9<br />

9<br />

9<br />

9<br />

9<br />

9<br />

3<br />

) 4<br />

)<br />

α,µ<br />

9<br />

9<br />

γ,λ<br />

ÖÑÑ×ÙÔÖÑÖÓÖÖÖÔÖ×ÒØÒØÐÒÒÐØÓÒÓÖØ<br />

q<br />

δ,σ<br />

1 2<br />

qq → gg<br />

p3<br />

q2 − m2p 2 1 − 2p1p3 + p2 3 − m2 ÓÒÖÖÓÙÔÒØÐ×ØÙÖ×ÓÙÐÙÖÒÒÜÔÖ××ÓÒ ÐÙÓÒ×Ò×Ñ××<br />

= −2p1p3<br />

Ma = −g 2 1<br />

s v(2)[/ε<br />

p1p3<br />

∗<br />

4 (/p −<br />

1 /p + m)/ε<br />

3 ∗<br />

3 ]u(1)1<br />

8 (aα∗ 3 aβ∗ 4 )(c† 2λβλ α <br />

ÔÓÙÖÐÖÑÑ ÓÒ×ÑÐÖÑ×ÒÒÚÖ×ÒØÐÓÖÖ×ÑØÖ×λÓÒÔÙØÖÖ<br />

βÑÔÐØ<br />

c1) ×ÓÑÑØÓÒ×ÙÖÐ×Ò×α,<br />

Mb = −g 2 1<br />

s v(2)[/ε<br />

p1p4<br />

∗<br />

3 (/p −<br />

1 /p + m)/ε<br />

4 ∗<br />

4 ]u(1)1<br />

8 (aα∗ 3 a β∗<br />

4 )(c †<br />

2λ α λ β ×ÑÔÐØÙ×MaØMbÓÒØÐÙÖ×ÓÖÖ×ÔÓÒÒØ×Ò×ÐÒÒÐØÓÒÑ c1)<br />

e + e− ØÐ×ØÙÖ×ÓÙÐÙÖ<br />

γγ×Ò×Ø geØÓÒÐ××<br />

→ → ÓÒØÐ×Ù×ØØÙØÓÒgs<br />

Å×qp1 −<br />

(<br />

9<br />

9<br />

9<br />

β,ν<br />

9<br />

9<br />

9<br />

9<br />

(<br />

(<br />

9 999<br />

q<br />

β,ν<br />

1 2<br />

)<br />

4


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−iMc = [v(2)c †<br />

2][−i gs<br />

2 λδ γσ][u(1)c1]<br />

<br />

−i gσλ δ δγ<br />

q 2<br />

ÔÐÙ× Ó<br />

Å×qp3 +<br />

×ÓÑÑØÓÒ×ÙÖÐ×Ò×ÓÙÐÙÖÑÔÐØ ØØÑÔÐØÙMcÒÔ×ÓÖÖ×ÔÓÒÒØÒ×ÐÒÒÐØÓÒe + ØÙÖØÚØØÔÔÖÓÓÒÖÒÐÓÑÔÓÖØÑÒØØÖ×ÓÙÖØ×ØÒ Ä×ÔÔÐØÓÒ×××Ù×××ØÙÒØÒ×ÐÖÐØÓÖÉÔÖ ÊÑÖÕÙ×<br />

ÒÖÚÖ×ÐÐÑØÐÐÖØ×ÝÑÔØÓÑØÕÙØÓÒ×ÔÖÑ×ÔÖÓ ××Ù×ÔÖÑØØÒØØ×ØÖÐ×ÔÖØÓÒ×ØÓÖÕÙ×ÐÙ×ÓÒÒÐ×ØÕÙ ×ØÖÐÙÖ××ÒØÐ×ÔÖÓ××Ù×ÖÒØÖÒ×ÖØ ÐÒØÖØÓÒqq qq ÔÖÓÓÒÐÒÒÐØÓÒe + ÖÓÒÖÓÒÖÒØÖÒ×ÖØÒÖÐ×ÒØÖØÓÒØØ×ÕÙÖÓ ÒÙÑÖØÒ×ÒØÖÙÜÓÒØØÐÓØÔÖ×ÒØØÓÒ×Ò×Ð×ÔØÖ×<br />

ÒÔÖØÙÐÖÐÔÖÓÐÑÙÓÒÒÑÒØ×ÕÙÖ×ÒØÖÒ×ÐÖ ÔÖÒØ×ÙÓÙÖ×<br />

ÑÓÐ×ÔÒÓÑÒÓÐÓÕÙ×ÚÓÖÔØÖØÒ×ÐÙÐØÓÖÉ ÒÓÒÔÖØÙÖØÚØÓÖÙ×ÙÖÖ×ÙÖÒÖ×ÙØÒ×ØÔ×ÓÖ ÄØÙÙÓÑÔÓÖØÑÒØÐÓÒÙ×ØÒÐÒØÖØÓÒqqÓÙqqØ<br />

<br />

{−gsf αβγ [gµν(−p3 + p4)λ + gνλ(−p4 − q)µ + gλµ(q + p3)ν]}[ε µ∗<br />

3 a α∗<br />

3 ][εν∗ 4 aβ∗ 4 ]<br />

p4<br />

q22p3p4 ε ∗ 3p3 = ε ∗ 4p4 = 0ÓÒØÓÒÄÓÖÒØÞ<br />

1<br />

Mc = ig 2 s v(2)[(ε<br />

p3p4<br />

∗ 3ε∗4 )(/p −<br />

4 /p ) − 2(p4ε<br />

3 ∗ 3 )ε∗4 + 2(p3ε ∗ 4 )ε∗3 ]u(1)fαβγa α∗<br />

3 aβ∗ 4 (c† 2λγc1) <br />

e − → γγ<br />

e −ÒÐÔØÓÒ×ØÖÓÒ×ÙØÒÖÐ×ÓÐÐ×ÓÒ×


Ä×ØÓÖ×ÙÐØÓÖÐØÖÓÐ<br />

Ï<br />

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µ×Ò××Ù×<br />

ÖØÙÖÐ××ÕÙ ÖØÙÖÕÙÒØÕÙ<br />

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ÇÒÑÓÒØÖÕÙ Ò×Ч ÓÒÓÑÑÒÔÖÓÒÒÖÐ×ÒØÓÒÐÁÂÒØÓÖÉ<br />

ÈÖÐ×ÙØÓÒÒÚÖ×ÐÖ×ÓÒÒÑÒØÒ×ÙÔÔÓ×ÒØÐÁÂÚÐÐÓÒÒÙØ Ð×ÐÓ×ÐÑÁÂ=⇒ÕÅÜÛÐÐ=⇒É<br />

ÕÅÜÛÐÐ=⇒ÁÂ<br />

ØØÔÔÖÓÔÙØ×ÒÖÐ×ÖÙØÖ×ØÝÔ×ÒØÖØÓÒ×ÔÖÜ ÁÂËÍ =⇒É<br />

Ô×ÐÓÒØÓÒÓÒ<br />

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f(x)ÔÒÒØÐÒÖÓØxËÐÓÑØÖÙÒÐÐÙÒÓÖÑ∀x<br />

f(x + dx) = f(x) + ∂ µ f(x)dxµ<br />

f(x + dx) = f(x) + ∂ µ f(x)dxµ[1 + S ν <br />

dxν]<br />

= f(x) + (∂ µ + S µ )f(x)dxµ + 0(dx 2 )<br />

p µ → p µ − eA µ ⇐⇒ i(∂ µ + ieA µ <br />

) ÓÒÐÀÏÝÐÙÖØÓÒØÓÒÒÒÔÝ×ÕÙÕÙÒØÕÙ×S µ → ieA µ


ËÝÑÄÓÐ ËÝÑÐÓÐ =ÓÒ×ØÒØ ψ(x)<br />

ψ(x) → ψ ′ (x)exp iα(x) ×ÖÓÙÔ×ÓÒÔÖÐÒÚÖÒ×ÓÙ×ÐÖÓÙÔU(1)×Ô×× ÇÒ×ØÕÙÐ×ÖÔØÓÒÔÝ×ÕÙÙÒ×Ý×ØÑÐÖÒ×ØÔ×ØÔÖÐ ÒÑÒØÐÔ×ÐÓÐ×Ù×ÔØÓÐÓÕÙÒÐÒÐØÓÖ<br />

ψ(x)Óα = α(x)<br />

A µ → A µ − ∂ µ Ð××ÒÚÖÒØÐ×ÖÔØÓÒÙÔÒÓÑÒÓÒ×Öf(x)×ØÙÒÓÒØÓÒ ÖØÖÖ×ÓÓÖÓÒÒ×ÄÁÂÒÑ×ØÑÓÒØÖÒÓ×ÖÚÒØÕÙÐ× <br />

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f(x)<br />

Ø µν ν µ µ ν<br />

= ∂ A − ∂ A<br />

F µν = 1<br />

2 εµναβαβ ×ÓÒØÒ×Ò×Ð×ÐØÖÒ×ÓÖÑØÓÒ <br />

Ä×ÕÙØÓÒ×ÅÜÛÐÐ×ÓÒØÖØ××ÙÖÐ×µνØF µν<br />

<br />

Ú(E)<br />

Ä×Ù×ØØÙØÓÒ<br />

ÖÓØ(B)<br />

Ò×ÓÒÒ<br />

<br />

ÖÓØ(E)<br />

ËÐÓÒÓÔØÐÙÄÓÖÒØÞ<br />

Ú(B)<br />

ÇÒÔÓ×4π c = 1. <br />

→ ψ ′ (x)exp iα Óα ψ(x)<br />

ÁÒÚÖÒÙÒØÓÖÉ ËA µ×ØÐÑÔÑÓÒ×ØÕÙÐØÖÒ×ÓÖÑØÓÒÙ<br />

<br />

ν<br />

→ ∂µµν<br />

= j<br />

→ ∂µF µν <br />

= 0<br />

✷A µ − ∂ µ (∂νA ν ) = j µ <br />

∂νA ν <br />

= 0


ÓÒÓØÒØÙÒÓÖÑÐÃÐÒÓÖÓÒÔÓÙÖÙÒÔÖØÙÐÑ××ÒÙÐÐ<br />

✷A µ = 0 <br />

ÓÒÓÖÖ×ÔÓÒÒØ×ÖØÕÈÖÓ<br />

0ÄÕÙØÓÒ<br />

(✷ + M 2 )A µ − ∂ µ (∂νA ν ) = j µ <br />

µ ÇÒÔÙØ×Ù×ÔØÖÕÙÐÓÒ×ÖÚØÓÒÙÓÙÖÒØÑØÒÔÖØÙÐÖÐÓÒ×Ö <br />

= 0 ÚØÓÒÐÖj 0ÒÐ×ÒÙÒ×ÓÙÖ×ÓØÙÒÓÒÓÙÙÒÙØÖ<br />

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E<br />

ÉÔÙØÓÒÓÒØÓÙÖÒÖÖ×ÓÒÒÑÒØ ÈÓÙÖÑØØÖÒÚÒÐØÐÁÂÔÐÓÒ×ÒÓÙ×Ò×ÐÔÔÖÓÜÑØÓÒ<br />

+W<br />

ÒÓÒÖÐØÚ×ØÄÕÙØÓÒËÖÒÖÒÔÖ×ÒÙÒÑÔÑ×Ø<br />

ÓÒ×ÖÓÒ×ÐØÖÒ×ÓÖÑØÓÒÙ<br />

Ó:<br />

ÄÖÐØÓÒ×ØÒÚÖÒØ×ÓÙ×ÐØÖÒ×ÓÖÑØÓÒÙA µ ⇒ A µ −<br />

∂ µ ÕÙÒ×ØÔ×ÒÚÖÒØÙÓÒÐÒÚÖÒÙÑ×ØÖÐÙØ ÕÙÐÑ××ÙÔÓØÓÒ×ØÒÙÐÐÚÓÖÔØÖ<br />

f(x)ÁÐÒÒ×ÖØÔ×Ò××ÐÔÓØÓÒÚØÙÒÑ××M =<br />

Ñ ÓÙØÓÒ×ÕÙÐ×ÕÙØÓÒ×ØÓÒØÒÒÒØÐÓÒ×ÖÚØÓÒÙÓÙÖÒØ<br />

∂µj<br />

+qV −W qV<br />

<br />

1<br />

2m (−i∇ + qA)2 <br />

+ qV ψ(x, t) = i ∂ψ<br />

∂t (x, t) <br />

A → A ′ <br />

= A + ∇f<br />

V → V ′ = V − ∂f<br />

<br />

∂t<br />

f = f(x, t)


ËÐÓÒÒ×Ö Ò× ÐÕÙØÓÒËÖÒÖÔÓÙÖ×ÓÐÙØÓÒÐ ÓÒØÓÒψ ′ØÐÐÕÙ | ψ ′ <br />

(x, t) |=| ψ(x, t) | , ÖÓÒÚÙØÕÙÐÒ×ØÔÖÓÐØ×ÓØÓÒ×ÖÚÓÒψ ′ØψÒ ØÖÒ×ÓÖÑØÓÒÙÓÑÔÐØ×ØÓÒ ÖÒØÕÙÔÖÐÙÖÔ×ÇÒÚÖÜÖÕÙØØÔ×ÚÙØexp{iqf}Ä<br />

A → A ′ = A + ∇f<br />

V → V ′ = V − ∂f <br />

∂t<br />

ψ → ψ ′ ÓÖÑÓÚÖÒØÐØÖÒ×ÓÖÑØÓÒ t)ÓÒÐØÖÒ×ÓÖÑØÓÒÙ×ØÐÓÐËÓÙ× ×ÖØ = exp{iqf}ψ ÊÑÖÕÙÞÕÙf = f(x,<br />

A µ → A ′µ = A µ − ∂ µ f<br />

ψ → ψ ′ <br />

= exp{iqf}ψ<br />

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ØÓÒ×ØÒÚÖÒØ×ÓÙ×ÐØÖÒ×ÓÖÑØÓÒÙ ÔÓÒØÔÖØÆÓÙ×ÚÓÒ×ÚÖÕÙÐÝÒÑÕÙÓÒØÒÙÒ×ØØÕÙ ÄÓÒØÓÒÓÒ×Ø<br />

=Ô×ÐÓÐ Ù§ÓÒÒÚÖ×ÖÖ×ÓÒÒÑÒØ ÓÒÑÒÖÕÙÐØÓÖ×ÓØÒÚÖÒØ×ÓÙ×ÐØÖÒ×ÓÖÑØÓÒÙ <br />

ÑÒÓÙÐÖÓÒØ ÓÒÒÙÖÕÙÐ×Ý×ØÑÖØ×ØÓÖÑÒØÒÒØÖØÓÒÐ×Ý×ØÑ<br />

VÄ×ÕÙØÓÒ×ÔÖÓÔØÓÒÚÒØÖØÓÒ<br />

∼<br />

ÖÞÐ×ÐÜÔÖÒÓÙÒÚÙÒÖÒÙÜØÖÓÙ×ÚÓÖÙÖ ÇÒÓÒÓØÒØÙØÚÑÒØÕÙÙÒÒÑÒØÐÔ×ÐÓÐÐÓÒØÓÒ ØÒØØÔÖÙÒÑÔA,<br />

<br />

ÓÒψ →<br />

ÑÓÔÖÐÒÑÒØÐÔ×ÐÓÐÓÒØÓÒÙÐÙ<br />

ψ(x, t) → ψ ′ (x, t) = exp{iqf(x, t)}ψ(x, t) <br />

ψe iα(x)×ØÒÓÑÔØÐÚÐ×ÖÔØÓÒÙÒ×Ý×ØÑÐÖÓÒ×


Ψ1<br />

Ψ<br />

ËÑÐÜÔÖÒÓÙÒ<br />

Ψ2<br />

ÄÓÒØÓÒψ×ÙÖÐÖÒ×ØÐ×ÙÔÖÔÓ×ØÓÒÓÖÒØ×ÙÜÓÒØÖÙØÓÒ×<br />

ψ1Øψ2ÄÒØÒ×ØÐØ×ÙÖÐÖÒ×ØÔÖÓÔÓÖØÓÒÒÐÐ| ψ | 2<br />

| ψ | 2 =| ψ1 + ψ2 | 2 = | ψ1 | 2 + | ψ2 | 2 +2Reψ ∗ 1ψ2 = | ψ1 | 2 + | ψ2 | 2 ÓÒ×ØÒØ×Ò×ÐØÖÖÐÖ×ÙÐØØÔÝ×ÕÙÈÖÓÒØÖÐ×ØÜÐÙÒØÖÓÙÖ<br />

+2 | ψ1 || ψ2 | cosδ<br />

Ò××Ý×ØÑÐÖÙÒÔ×ÐÓÐe iα(x,t)×Ò×ØÖÐÓÖÒÒØÖ<br />

ψ1Øψ2ÐÒÚÖÒÙÐÓÐ ÐÖÁÐÙØÒ××ÖÑÒØÒØÖÓÙÖÙÒÑÔÕÙ×××ÙÖÐÔÖØÙÐ Ò×ØÔ×ÙÒ×ÝÑØÖÙ×Ý×ØÑ<br />

ÙØÖÑÒØØÒØÖÑÐÁÂÐÓÐÐ×ÚÖÑÔÓ××Ð×ØÒÙÖÐØ<br />

ÑØÑØÕÙ×Ä×ÝÑØÖÐÓÐ×ØÐÐÙÖ×ÒØÖ××ÒØÒÐÐÑÑ ÑÒÖÐ×ÙÒ×ÝÑØÖÐÓÐÕÙÒÓÙ×ÔÖÑØØÖÒÖÐ×ÓÙØÐ× ÚÒØÓÒ×ÖÖÐ×ØÙØÓÒÙÒ×ÝÑØÖÙÐÓÐÓÒÚÜ<br />

ÌÖÒ×ÓÖÑØÓÒÙÐÓÐ<br />

ÙÒÑÔÓÖ×ÐÙÙÒÒÑÒØÔ×ψ<br />

ÇÒÒØÖÓÙØÓÑÑÙÒÑÒØÐÖÐÔÖØÙÐqÒ×ÐØÙÖÔ×<br />

qθÓ<br />

=ÓÒ×ØÒØ <br />

α ÒÔÓ×ÒØα =<br />

ψ → ψ ′ = e iqθ ØØØÖÒ×ÓÖÑØÓÒÙ×ØÔÔÐÐÙÜÕÙØÓÒ×ÖÐÖØ Ú =ÓÒ×ØÒØ <br />

ψ θ<br />

Óδ×ØÐÖÒÔ×ÒØÖψ1Øψ2ÁÐ×ØÐÖÕÙÓÒÔÙØÑÙÐØÔÐÖ ×ÑÙÐØÒÑÒØψ1Øψ2ÔÖÙÒØÙÖÔ×ÓÑÑÙÒe iαÓα<br />

ÑÔÒØÖØÓÒ<br />

∈Ê=<br />

ÒÚÖÒÙÐÓÐ⇐⇒<br />

ËÓØÐØÖÒ×ÓÖÑØÓÒÙÐÓÐ<br />

ψ → ψ ′ = e iα Ú ψ<br />

ÃÐÒÓÖÓÒÐÖ


ÓÒ×ÖÓÒ×ÓÒÒÖÐÐØÖÒ×ÓÖÑØÓÒÓÒØÒÙÔÖÑØÖ<br />

Uθ ≡ e iq1θ Óq<br />

∈ÖÓÙÔU(1)<br />

Uθ<br />

Uθ : ψ → ψ ′ ÇÒÙ××ÐØÖÒ×ÓÖÑØÓÒÒÒØ×ÑÐ = Uθψ<br />

=Ö<br />

θ =ÔÖÑØÖ<br />

1 =ÒÖØÙÖ<br />

<br />

ψ → (1 + iqθ)ψ ÄÒÚÖÒÐÑÐØÓÒÒÙ×Ý×ØÑ〈ψ|H|ψ〉 = 〈ψ ′ |H|ψ ′ ÑÙØØÚØqØH 〉ÑÔÐÕÙÐÓÑ<br />

ÑÓÙÚÑÒØ ÕÙ×ØÕÙÚÐÒØÖÕÙÐÖq×ØÓÒ×ÖÚq×ØÙÒÓÒ×ØÒØÙ <br />

[H, q] = 0,<br />

ÈÐÙ×ÓÑÑÙÒÑÒØÓÒÜÔÐÓØÐÁÂÐÓÐÙÄÖÒÒ<br />

L(x, t) ≡ L(x) = L(ψ(x), ∂ µ ψ(x)) <br />

ÇÒÖÕÙÖØÕÙL(x, t)×ÓØÒÚÖÒØ×ÓÙ×ÐØÖÒ×ÓÖÑØÓÒψ →<br />

∂(∂ µ ψ) δ(∂µ <br />

ψ) Ñ×: δ(∂ µ ψ) = iqθ∂µψ Ö: ∂(∂ µ ψ) iqθ∂µψ ∂ψÔÖ×ÓÒÜÔÖ××ÓÒØÖÐÕÙÐÖÄÖÒ <br />

ÊÑÔÐÓÒ×∂L<br />

<br />

ÖÝÓÒÕÙÝÔÖÖÈÓÙÖËÍÆÓÒÙÖÙÒ×ØÙØÓÒ×ÑÐÐÔÖÜËÍ qÔÙØØÖÙÒÖÑÓÙØÓÙØÙØÖÒÓÑÖÕÙÒØÕÙØÓÒ×ÖÚÖÒÓÑÖ <br />

ÚÓÖ§ ÓÙÐÙÖ<br />

<br />

<br />

ψ + δψ<br />

0 = δL = ∂L ∂L<br />

δψ +<br />

∂ψ<br />

∂µθ<br />

0 = ∂L ∂L<br />

iqθψ +<br />

∂ψ<br />

<br />

∂<br />

0 = iθ<br />

∂x µ<br />

∂L<br />

∂(∂ µ ∂L<br />

qψ +<br />

ψ) ∂(∂ µ ψ) q∂µψ<br />

0 = iθ ∂<br />

∂x µ<br />

<br />

∂L<br />

∂(∂ µ ψ) qψ<br />

= 0 Ó:<br />

ψ + iqθψ =


ÇÒÒØÐÓÙÖÒØ××ÓÐØÖÒ×ÓÖÑØÓÒÙ<br />

j µ = iq ∂L<br />

∂(∂µψ) ψ <br />

ÄÖÐØÓÒÜÔÖÑÕÙÐÚÖÒÑÒ×ÓÒÒÐÐ<br />

∂µj µ <br />

= 0 ×ØÖÕÙÐÓÙÖÒØj µ×ØÓÒ×ÖÚØ×Ø××ÓÐ×ÝÑØÖU(1). ÇÒÙÒÔÔÐØÓÒÙØÓÖÑÆÓØÖ<br />

∃ÙÒÓÙÖÒØÓÒ×ÖÚ ÄÄÖÒÒÙÒÔÖØÙÐÖÐÖL=ψ(iγ µ ×ØÒÚÖÒØ×ÓÙ×ÐØÖÒ×ÓÖÑØÓÒψ→e iqθ ØÓÒÙÓÙÖÒØ <br />

ψÔÔÐÕÙÓÒ×Ò××ÐÒ<br />

j µ = iq ∂L<br />

∂(∂µψ) ψ = iq(ψiγµ )ψ = −qψγ µ <br />

ÇÒÚÑÒØÒÒØÖÐ×ÖÐÔÖÓÖÑÑÒÒÓÒÙ§ ÌÖÒ×ÓÖÑØÓÒÙÐÓÐ<br />

ψ<br />

ÄØÖÒ×ÓÖÑØÓÒ<br />

ÇÒÓØÒØÐÓÙÖÒØÖÓÒ×ÖÚ××Óq<br />

ÙÐÓÐ×Øψ(x) ′ ÄÖÒØψ×ØØÔÖÐÒÑÒØÔ×<br />

ÇÒÚÓØÕÙ∂µψ ′ ÖÚDµØÐÐÕÙ ÓÙÃÐÒÓÖÓÒÐÖ×ÈÓÙÖÖØÐÖØØÓÑÔØÐØÐÙØØÖÓÙÚÖÙÒÓÖÑ<br />

(Dµψ) ′ → e iqθ(x) <br />

<br />

<br />

Dµψ<br />

∃ÙÒ×ÝÑØÖÓÒØÒÙÐÓÐ<br />

⇕<br />

∂µ − m)ψÔÖÜÑÔÐ<br />

→ e iα(x) ψ(x) = e iqθ(x) ψ(x) <br />

∂µψ ′ (x) → e iqθ(x)<br />

⎡<br />

⎤<br />

⎣∂µψ(x) + iqψ(x)∂µθ(x) ⎦<br />

<br />

E<br />

= eiqθ(x) ∂µψÕÙ×ØÒÓÑÔØÐÚÐ×ÕÙØÓÒ×Ö<br />

ÇÒÐÓØÒØÒÒ××ÒØÐÖÚÓÚÖÒØ<br />

Dµ = ∂µ + iqAµ


ÓAµ×ØÙÒÑÔÙØÐÕÙ<br />

Aµ(x) → A ′ <br />

µ(x) = Aµ(x) − ∂µθ(x) ØÚÑÒØDµ → (Dµψ) ′ = D ′ µ ψ′<br />

= (∂µ + iqA ′ µ )ψ′ = (∂µ + iqAµ − iq∂µθ)e iqθ ψ<br />

= ∂µ(e iqθ ψ) + iqAµe iqθ ψ − iqe iqθ ∂µθψ<br />

= e iqθ ∂µψ + iq∂µθe iqθ ψ + iqAµe iqθ ψ − iqe iqθ ∂µθψ<br />

= e iqθ (∂µ + iqAµ)ψ<br />

= e iqθ ÓÑÑ×Ö<br />

ÓÒÓØÒØÐÓÖÑÚÒØÖØÓÒÑ ÒÔÔÐÕÙÒØÐÒØÓÒÙÄÖÒÒ Dµψ<br />

L = ψ(iγ µ <br />

(∂µ + iqAµ) − m)ψ<br />

= ψ(iγ µ ∂µ − m)ψ − qψγ µ ÄÔÖØÒØÖØÓÒ×Ø<br />

ψAµ<br />

LÒØ= −qψγ µ ψAµ = j µ <br />

Aµ Ój µ×ØÐÓÙÖÒØÕÙÚÒØÐ×ÝÑØÖU(1)ÙÄÖÒÒ<br />

•ÒÖ×ÙÑÑÒÖÐÒÚÖÒÙÐÓÐÑÔÓ×ÐÑÓØÓÒ ÐÀÑÐØÓÒÒØÙÄÖÒÒÐÖ×ÔÖÐÒØÖÓÙØÓÒÙÒÑÔÙ<br />

A µÐÔÙØ×ÖÔÖÐ×Ù×ØØÙØÓÒ ∂ µ → ∂ µ + iqA µ ≡ D µ <br />

•ËÓÒÓÙØÒ×ÐØÖÑÕÙÖØÐÔÖÓÔØÓÒ×ÔÓØÓÒ×ÐÖ×<br />

−1 ×Ò×Ñ×× ÄÔÔÐØÓÒÐÕÙØÓÒÙÐÖÄÖÒÑÒÐÕÙØÓÒÓÒÙÒÑÔ<br />

4<br />

✷A µ − ∂ µ (∂νA ν ) = j µ <br />

L = ψ(iγ µ ∂µ − m)ψ <br />

ÓD µ×ØÐÖÚÓÚÖÒØÆÐÁÂÑÔÐÕÙÐÓÙÔÐÑÒÑÐ µνÓÒÓØÒØÐÄÖÒÒØÓØÐ<br />

FµνF<br />

L = ψ(iγ µ ∂µ − m)ψ + j µ Aµ − 1<br />

4 FµνF µν


ÊÑÖÕÙÞÕÙÒ×Ð×ÙÒÑÔÑ××ÓÒÙÖØÙÒØÖÑ✷ + m2 )A µ ×ØÒ×ÓÑÔÐØ ÕÙÒ×ØÔ×ÒÚÖÒØÙ<br />

×ÓÒÔÐÙ×ÙÒÑÔÙÒÔÖØÒØÙÄÖÒÒÔÔÖÓÔÖ ÍÒÖ×ÓÒÒÑÒØ×ÑÐÖ×ÔÔÐÕÙÒ×Ð×ÖÔØÓÒÙ×Ý×ØÑÙÒÓ Ä×ÖÔØÓÒÙ×Ý×ØÑÙÒÖÑÓÒÔÐÙ×ÙÒÑÔÙÒÒØÖØÓÒ<br />

ÇÒØÙ×ÔØÖØÖÒ×ÓÖÑØÓÒ×ÐÓÐ×ØÝÔËÍÆ ÒÖÐ×ØÓÒ×ØÖÒ×ÓÖÑØÓÒ×ÙÐÓÐ×<br />

Ð×ÒÒÖÙÒ×ÔÆÑÒ×ÓÒ×ÊÔÔÐÓÒ×ÒÙÜÜÑÔÐ×<br />

−1ÔÖÑØÖ×Ò×ÐÖÔÖ×ÒØØÓÒÓÒÑÒØÐ ÓËÍÆ×ØÙÒÖÓÙÔÆ2 <br />

p<br />

=<br />

n ØÖÒ×ÓÖÑØÓÒψ ′ = UψÚU = exp(iθi ÈÙÐ τi/2)ÓÐ×τi×ÓÒØÐ×ÑØÖ×<br />

⎠×ÓÒØÐ×ÔÖÑØÖ×ØÖÒ×ÓÖÑØÓÒ<br />

⎛ ⎞<br />

θ1<br />

θ ≡ ⎝ θ2<br />

θ3 ËU×ØÙÒ×ÝÑØÖÙ×Ý×ØÑÐÓÖ×Ð×Ó×ÔÒI ≡ τ 2×ØÓÒ×ÖÚI 2ØI3×ÓÒØ ÓÒ×ÖÚ×<br />

⎛ ⎞<br />

⎛ ⎞<br />

ÜÑÔÐ: ËÍ(2)×Ó×ÔÒ: ψ<br />

ÜÑÔÐ Ø : ËÍ(3)×ÚÙÖ: ⎠ ËÍ(3)ÓÙÐÙÖ: ψ ØÖÒ×ÓÖÑØÓÒψ ′ = UψÚU exp(iαiλi/2)ÓÐ×λi×ÓÒØÐ×ÑØÖ× •ÓÒ×ÖÓÒ×Ð×ÙÒ×ÝÑØÖËÍ ÒÖÐ×ØÓÒ×ØÖÒ×ÓÖÑØÓÒ×ÙÐÓÐ× ØÓÖ×ÒØÅÐÐ× <br />

ÐÐÅÒÒØα1, α2,<br />

<br />

×ÖØ ÑØØÓÒ×ÕÙÐ×ÔÖÑØÖ×αÔÒÒØÐÔÓ×ØÓÒxÒ×Ð×ÔØÑÔ×<br />

gθ(x)ÐØÖÒ×ÓÖÑØÓÒ<br />

<br />

ØÒØÖÓÙ×ÓÒ×ÙÒÖgØÐÐÕÙα=α(x) =<br />

ψ<br />

ψ =<br />

ψ1<br />

α8×ÓÒØÐ×ÔÖÑØÖ×ÐØÖÒ×ÓÖÑØÓÒ<br />

u<br />

r<br />

ψ ≡ ⎝ d<br />

≡ ⎝ g ⎠<br />

s<br />

b<br />

=<br />

...,<br />

ψ2<br />

<br />

→ ψ ′ <br />

= exp iα τ<br />

<br />

<br />

′ ψ 1<br />

ψ = exp(iα · T)ψ =<br />

2<br />

ψ ′ 2<br />

′ <br />

= exp(igθ · T)ψ


ÐØÓÖØÖÒÚÖÒØ×ÓÙ× ÁÒØÖÓÙ×ÓÒ×ÐÖÚÓÚÖÒØÖ<br />

§ ÓÒÑÔÓ×<br />

<br />

ËÒ×ÔÖÒØÙÖ×ÓÒÒÑÒØÚÐÓÔÔÔÓÙÖÐ×ÝÑØÖU(1)<br />

Dµ Ð×W µ×ÓÒØ ÑÔ×Ù×Ò×Ñ×× <br />

ÙÒÓÒÒÖÐÐ×ÒÖØÙÖ×ËÍÆÓÆÒÓÑÑÙØÒØÔ×Ò ÄØÙÖÑÙÐØÔÐØg×ØÙØÕÙÐÖÓÙÔËÍ ×ØÒÓÒÐÒ<br />

3 ) ËÐÓÒÑÒÕÙDµψ →<br />

ÓÒ×ÕÙÒÐÒØÖÓÙØÓÒÐÖÚÓÚÖÒØD µÒ×ÐÕÙØÓÒÖ<br />

ÓÙÒ×ÐÄÖÒÒL = ÚÔÖÓÙÖ×ØÖÑ×Ògψγ µ µÕÙÖÔÖ×ÒØÒØÐÒØÖØÓÒ×ÑÔ×<br />

Tψ)·W<br />

W µØÙÓÙÖÒØj<br />

ÉØÐÖÐÜÔÖ××ÓÒ×ØÖÑ×ÙØÓÒØÖØÓÒ ÒØÖØÓÒÙØÝÔWWWØWWWWÚÓÖÐÙÖ ÖÇÒØÖÓÙÚÔÐÙ××ØÖÑ×ÙØÓ<br />

•ÇÒÔÙØØÖØÒØÔÔÐÕÙÖ×Ò×ÙØÖÐÔÖÓÙÖÐÒØÖØÓÒÐ Ò×ÒØÐ××ÓØÓÒ{W1 W2 ÔÖÓÐÑÙØÕÙÐØÖÑÐÑ××Ò×ÐÄÖÒÒ∼m 2 •ÓÒ×ÖÓÒ×Ð×Ð×ÝÑØÖËÍ ÙÐØÖÙÖÑÒØÓÑÑÒØÖÑÖÐ ÐÓÖÖ Î×ØÒÓÑÔØÐÚÐÒÚÖÒÙÇÒÚÖÖ<br />

ÐÖÓÙÐÙÖ ÊÔÔÐÓÒ×ÕÙÐÓÒØÓÒÓÒψÙÒÕÙÖÓÑÔÓÖØÙÒÔÖØÔÒÒØ ÓÙÐÙÖ<br />

<br />

ÚÓÖÔÖÜÖ§<br />

qψγ µ ψAµÐÒØÖØÓÒÑ<br />

µ<br />

= ∂µ + igT · W µ Ó (x),<br />

W µ ≡ (W µ<br />

1 , W µ<br />

2 , W µ θ)DµψÓÒØÖÓÙÚÐÒÐÓÙ<br />

exp(igT ·<br />

W µ → (W µ (x) − ∂ µ θ(x) − gθ(x) · W µ <br />

(x)<br />

(iγµD µ − m)ψ = 0<br />

[−i(Dµψ)γ µ − mψ]ψ<br />

= ψγ µ TψÚÙÒÓÙÔÐÙÒÕÙgÇÒÐÒÐÓÙ<br />

W3} ⇒ {W ± Z}ÌÓÙØÓ×ÓÒ×ÙÖØÙÒ<br />

,<br />

W µ WµÑ<br />

⎛<br />

|ÓÙÐÙÖ〉 = ⎝<br />

r<br />

g<br />

b<br />

⎞<br />

⎛<br />

⎠ ⇒ ⎝<br />

ψ1<br />

ψ2<br />

ψ3<br />

⎞<br />


a) b) c)<br />

W W W<br />

ÖÑÑ×ÒØÖØÓÒ×ÚÐÑÔWÒØÖØÓÒÚÙÒ<br />

W W<br />

ÓÙÖÒØÖÑÓÒØ ÙØÓÒØÖØÓÒ× W W W<br />

ÒØÖØÓÒ×ÓÒØÐÓÖÑ Ð×ÐÙÓÒ×ÕÙÒØÖ××ÒØÚÐ×Ö×ÓÙÐÙÖ×ÕÙÖ×Ä×ØÖÑ×<br />

gsψγ µλα<br />

2 ψAα = gsj α ÔÕÙ×ÙÒÖÓÙÔÒÓÒÐÒ×ÓÒØÐ×ÒØÖØÓÒ×ØÐÙÓÒק ÔÐÙ×ÓÒ×ØÖÑ×ÒØÖØÓÒÙÑÔÙÚÐÙÑÑØÝ ÒÖ×ÙÑ<br />

Aα<br />

ÒØÖ××ÒØÚÐ×ÖÑÓÒ×ØÒØÖÙÜ×Æ ÄÚÖ×ÓÒÐÓÐÐÑÑ×ÝÑØÖÙËÍÆÖÒØØÕÙÐ× ÑÔ×ÙÓÒØÐ×ÕÙÒØ×ÓÒØ×Ó×ÓÒ××Ò×Ñ×××Ó×ÓÒ× Ö××ÓÒØÓÒ×ÖÚ×Ä×ÓÙÖÒØ×ÑÓÙÐÙÖ ×Ø×ÓÒØÐÕÙ<br />

Ò×ÐÝÔÓØ×ÙÒ×ÝÑØÖÙÐÓÐËÍÆÓÒÓØÒØÆ2<br />

ØÓÒÓÒØÒÙØ∂ µ jα ØÖÒÔÖÑÔ×ÐÖÓ×ÓÒ×À×Ø<br />

α×Ø××ÓÙÜÖ×ÒÕÙ×ØÓÒ<br />

ÙÐØÓÖØÔÖÓÒ×ÕÙÒØÐÚÐØÐÔÖÓÙÖ ×ØÐÔÓ××ÐÚÓÖ×ÑÔ×ÙÑ××××Ò×ØÖÙÖÐÒÚÖÒ Ó×ÓÒ×ÓÐ×ØÓÒ<br />

µ ≡ 0<br />

ÒØÓÒÒØÖÓÙØ×ÑÔ×ÔÓÙÖÓÒÒØÖ×ÔÓÒØ×Ð×ÔØÑÔ× ××ØÒ×ÖØÖÖÑÒØÖÒ×ÐÚØÙÖÐÓÒÒÜÓÒÓØÚÓÖÙÒ ÓÐ×ÓÒØÓÒ×ÓÒÓÒØ×Ô××ÖÒØ××ÔÓÒØ×ÔÓÙÚÒØ×ØÖÓÙÚÖ ÍÒÖ×ÓÒÒÑÒØÙÖ×ØÕÙÑÒÔÖÑÓÖÙÒÖÔÓÒ×ÒØÚ<br />

ÔÓÖØÒÒÓÙÒÑÔÙÑ××ÒÙÐÐ ÊÔÔÐgs = √ =ÓÒ×ØÒØÓÙÔÐÓÖØ<br />

4παs, αs<br />

ÄÁÂÒÓÙ×ÓÒÙØÒØÖÓÙÖÑÔ×Ù×Ò×Ñ××A α , α = 1, ...8


×ØÙÒØÖÒÐÜØØÓÒÙÑÐÙÕÙ×ÓÔÔÓ×ÙÒÑÒØÄ Ñ××ØÚÐÓÖ×ÙÔ××Ò×ÙÒÑÐÙÓ×ÓÙÖÒØ×ÔÙÚÒØ×ØÐÖ ×ÐÑØ×ØÐÙÙ×ÙÔÖÓÒÙØÙÖÕÙÜÔÙÐ×ÐÑÔB×ÓÒÒØÖÙÖ ÌÓÙØÓ×ÓÒ×ÜÑÔÐ×ÒÔÝ×ÕÙÙ×ÓÐÓÐÔÓØÓÒÔÖÒÙÒ<br />

ÑÔÑ×× ÄÒØÖÔÖØØÓÒØØ×ØÐ×ÙÚÒØÒ×ÐÙÄÓÖÒØÞÓÒ ÓÒMÔÓØÓÒ→ ∞ ÓÒÓØÒØ✷A =<br />

(✷ + M 2 ËÙÔÔÓ×ÓÒ×ÕÙÓÒÖÖÔÒØÖÖÑÐÙÔÖÙÒÑÔBÄÖÔÓÒ× <br />

)A = 0<br />

Ä×ÓÐÙØÓÒÐÕÙØÓÒ×ØÙØÝÔ<br />

ÙÑÐÙ×ÜÔÖÑÔÖ∇ × ËÐÓÒÔÖÒÐÖÓØØÓÒÒÐØØÜÔÖ××ÓÒÓÒÓØÒØÚ∇ ×<br />

ÞÓ×ÓÒ×ÓÒÒÒØÐÙÙÒÓÙÖÒØÑÖÓ×ÓÔÕÙÐÐ×ÔÙÚÒØØÖØÓÙØ× Ò××ÓÙ××ØÑÔÖØÙÖÖØÕÙTcÄ×ÔÖ×ÓÓÔÖÓÒ×ØØÙÒØÙÒ ÍÒÜÑÔÐØØ×ØÙØÓÒ×ØÐÐÙÒÓÖÔ××ÙÔÖÓÒÙØÙÖÑÒØÒÙ<br />

Ò×ØØÜÔÖ××ÓÒQ = 2ÒÙÒØe 2Óns×ØÐÒÓÑÖe −×ÙÔÖÓÒÙØÙÖÔÖÙÒØÚÓÐÙÑÇÒÓØÒØ ÐÕÙØÓÒÄÓÒÓÒÒÔÖÒÒØÐÖÓØØÓÒÒÐ<br />

ÄÐÓÒÙÙÖÔÒØÖØÓÒ×Ø <br />

nsÑÒÙÖÙ×ÕÙÑÒØØÒ<br />

0)ÚÓÖÙÖ<br />

≃ ÈÓÙÖns ÓÖÖ×ÔÓÒÙÒÑ××M = ×ØÐÚÙ××Ù××ØÑÔÖØÙÖÖØÕÙTc, ÓÒ×ÕÙÒÐÐÓÒÙÙÖÔÒØÖØÓÒλÖÒØ(M ≃ ÇÒÔÓ×4π<br />

✷A = jËÐÓÙÖÒØj×ØÖÔÖÐÔÖ×ÒÙÒÑÔA×ÓÒ×j = −M2A −M2AÕÙ×ØÕÙÚÐÒØÐÕÙØÓÒÔÖÓÔØÓÒÙÒ B = j = (−M 2 B <br />

A)<br />

A =<br />

∇ 2 B = −M 2 <br />

B<br />

B = B0 exp −Mx ÖØÖ×ÔÖÐÐÓÒÙÙÖÔÒØÖØÓÒ <br />

Ò×ÐÑÑØØÕÙÒØÕÙ|p〉<br />

λ = 1/M<br />

j = (−Q 2 /m) | φ | 2 <br />

A<br />

m = 2meÒÙÒØc | φ | 2 =<br />

ns<br />

∇ × j = − 22 ns<br />

2me 2 B <br />

λ = M −1 <br />

2me<br />

=<br />

22 2<br />

ns<br />

4.1028 m−3 , 2me ≃ 5.1014 m−1ÓÒÓØÒØλ≃10 −8 20ÎËÐØÑÔÖØÙÖÙ×ÙÔÖÓÒÙØÙÖ 100ÕÙ<br />

m ≃<br />

c/λ ≃<br />

c = 1


10 8<br />

[m −1 ]<br />

M<br />

ÚÓÐÙØÓÒÐÑ××ØÚÙÔÓØÓÒÒÓÒØÓÒÐØÑÔÖ ØÙÖÙÒÑÐÙ×ÙÔÖÓÒÙØÙÖ<br />

Τ<br />

Τ<br />

ÈÓÙÖØÖÒ×ÔÓ×ÖÙÒØÐÐ×ØÙØÓÒÒ×ÐÓÒØÜØÙÒØÓÖÙÓÒ<br />

c<br />

×ØÑÒÔÓ×ØÙÐÖÐÜ×ØÒÒ×ØÓÙØÐ×ÔÙÒÑÔ×ÐÖÑÔ Ó×ÓÒ××Ù×ÔØÐÒÒÖÖÙÒÓÙÖÒØÖÒØÐÓÒ× ÔÖ×ÓÓÔÖÒÓÒ×ÕÙÒÐ×ÑÔ×ÙØÐ×ÑÔ×ÖÑÓÒ× ÔÙÚÒØÕÙÖÖÙÒÑ×× ÒÓÒÒÙÐÐ ÑÔÖÒÓÒØÖÒÔÝ×ÕÙ×ÔÖØÙÐ×ÐÑÔÐØÙÑÓÝÒÒÒ×ÐÚ×Ø ÑÔÔÖ×ÒØÙÒÖØÖ×ØÕÙÕÙÓÒÒÖØÖÓÙÚÒ×ÙÙÒÙØÖ<br />

ÆÑÙØ×ÙÖÐ×ÐØÓÖÒÞÙÖÄÒÙÒ×ÙÔÖÓÒÙØÚØ Ä×ÖÔØÓÒØÓÖÕÙÙÒØÐÑÔØÐÓÖÔÖØÖÙÒ×Ù×ØÓÒ <br />

〈0|φ|0〉 = 0<br />

ÓÑÑÕÙÒØÑÔØÓÙØÓ××ÔÖÑÖ×Ö×ÙÐØØ×ÑÒÒØØÖÓÒÖÑ×ÚÓÖ Ä×ÜÔÖÒ×ÙÄÈÁÁÙÊÆÓÒØÓÙÖÒÙÒ×ÒÐØÒÙÚÒÑÒØ×ÒØ×<br />

ÊÔÔÐ ÐÓÙÖÒØ××ÓÙÒÑÔ×ÐÖφ×ØÓÒÒÔÖj µ (φ) =<br />

iq[φ∗ (∂ µ φ) − (∂ µ φ∗ )φ]<br />

ØÐÈ ÙÒÀ×Ó×ÓÒÈÖØÐÄÒ×ØÒ×


a)<br />

φ 1<br />

v (φ1 , φ2)<br />

φ 2<br />

v (φ1 , φ2)<br />

Cercle Vmin ( r = µ/λ)<br />

+ iφ2V (φ) ÐÐÙÖÙÔÓØÒØÐÙÑÔÓÑÔÐÜφ=φ1 ÔÓÙÖµ 2 > 0V (φ)ÔÓÙÖµ 2 < 0 ÓÒ×ÖÓÒ×ÐÑÔ×ÐÖÓÑÔÐÜφ∈φ = ÔÓ×ÒØ×φ1Øφ2ØÒØÖÐÐ×ÄÄÖÒÒÜÔÖÑÒÓÒØÓÒφ, φ∗Ø ÐÙÖ×ÖÚ××ÖØ L = (∂ µ φ)(∂ µ φ) ∗ ÄØÖÑÙÔÓØÒØÐÔÙØØÖÜÔÐØ×ÓÙ×ÐÓÖÑ <br />

− V (φ)<br />

V (φ) = −µ 2 φ ∗ φ + λ 2 (φ ∗ φ) 2 <br />

= − 1<br />

2 µ2 (φ 2 1 + φ 2 2) + 1<br />

4 λ2 (φ 2 1 + φ 2 2) 2 µØλ×ÓÒØ×ÓÒ×ØÒØ×ÔÓ×ØÚ× ,Ó<br />

ÖÝÓÒ ÙÖ φ2)ÐÐÐÙÖÙÒÓÒÓÙØÐÐÚÓÖ<br />

φ2)ÙÒÑÜÑÙÑÐÓÐÓÖÖ×<br />

φ2)××ØÙ×ÙÖÐÖÐ Ò×ÐÔÐÒÓÑÔÐÜφ1, φ2, V (φ1, ÐÓÖÒφ1 = φ2 = 0, V (φ1, ÔÓÒÒØÙÒØØÒ×ØÐÄÐÙ×ÑÒÑV (φ1,<br />

<br />

| φÑÒ|= φ2 1 + φ2 µ<br />

2 =<br />

λ ≡ f ×Ø×Ø×Ø ÁÐÖÔÖ×ÒØÐÒ×ÑÐ×ØØ×ÕÙÐÖ×ØÐÈÓÙÖ×ØØ×ÐÖÐØÓÒ <br />

√<br />

2<br />

〈0|φÑÒ|0〉 = f √ = 0<br />

2<br />

b)<br />

φ 1<br />

φ 2<br />

1 √ 2 (φ1 + iφ2)Ð×ÓÑ


ÓÖÑ ÇÒÔÙØÔ××ÖÙÒ×ØØ×ÕÙÐÖÐÙØÖÔÖÐØÖÒ×ÓÖÑØÓÒ ÐÓÐU(1) = φÚ= f √ e<br />

2 iα ÐÓÖ×ÕÙÐÔÓØÒØÐØÐÄÖÒÒ×Ø×ÝÑØÖÕÙÒÚÖÒØ×ÓÙ×ÐØÖÒ×ÓÖ ËÐÓÒÔÖÒÙÒ×ØØ×ÕÙÐÖÙ×ÖÐÔÔÖØ××ÝÑØÖÕÙ <br />

ÑØÓÒU(1)ÇÒÙÒ×ØÙØÓÒ×ÝÑØÖÖ×ÓÒØÙ×××ÝÑØÖ ×ØÒØÒØÓÒÒÐÐÑÒØÕÙÓÒÑ×ÙÒ×ÒÒØÚÒØÐØÖÑÒµ 2 ÐÐÐÙÖÙÒÓÒÑÔÓÖÚÓÖÙÖ ÐÜÔÖ××ÓÒ φ2)ÙÖØÙ ËÓÒÚØÑ×ÙÒ×ÒÔÓ×ØV (φ1, ÚÙÒÑÒÑÙÑÒφ1 = ÄÚÐÙÖµ 2 ××ÝÑØÖÕÙ× ×ÓÐÙØÓÒÙÒØØÕÙÐÖ×ÝÑØÖÕÙØÐÐØØ×ÕÙÐÖÒÖ× ÊÚÒÓÒ×ÙÒ×ØÙØÓÒ×ÝÑØÖÖ×ÒÓÒ×ÖÒØÐØØ<br />

Óη(x)Øχ(x)×ÓÒØ×ÑÔ××ÐÖ×ØÐ×ÕÙ <br />

<br />

ÚÓ×ÒÙÒÔÓÒØÐÜÖÐÙÔÐÒÚÓÖÙÖ<br />

λØ<br />

ËÓÒÒ×ÖÒ×ÐÜÔÖ××ÓÒÙÄÖÒÒ ÓÒÓØÒØ<br />

0ÇÒ××ØÙÓÒÙ ÒØÒÒØÓÑÔØ = ÇÒÔÙØ×ÖÔÖ×ÒØÖη(x)ÓÑÑÙÒÙØÙØÓÒÖÐÙØÓÙÖφ1 = χ(x)ÓÑÑÙÒÙØÙØÓÒÞÑÙØÐÙØÓÙÖφ2<br />

ÉÓÒ×ØÖÙÖÐÜÔÖ××ÓÒÓÑÔÐØÙÄÖÒÒÚÓÖÕÙL(η)×ØØÚ ÑÒØ××ÝÑØÖÕÙÐÓÖ×ÕÙL(φ)×Ø×ÝÑØÖÕÙ ÇÒÒÜÔÐØÕÙÐ×ØÖÑ××ÒØ×ÔÓÙÖÐÔÖ×ÒØ×Ù××ÓÒ<br />

ÄØÖÑÒη(x)ÖÔÖ×ÒØÐÓÒØÖÙØÓÒÙÒÑÔ×ÐÖÚ×ÐÑÒØ<br />

= Ñ××ÕÙ(mη 2µ 2 Ò×ÐÐØØÖØÙÖÓÒØÖÓÙÚÔÐÙ××ÓÙÚÒØØÖÑÚÐ×ÒÔÓ×ØÑ×ÓÒÓ×Ø ×ØÕÙÓÒÒÓÑÑÐÑÔ×Ó×ÓÒ×À×Ä<br />

) ÒÖµ 2<br />

e iαÓα∈Ê×ØÙÒÔÖÑØÖÖÐ×ØØ××ÓÒØÓÒÐ<br />

φ2 = 0ÄØØÕÙÐÖ×ØÐÒÕÙ×ØÓÒ×ÖØ×ÝÑØÖÕÙ×ÓÙ×U(1)××Ù×<br />

= 0×ØÓÒÙÒÔÓÒØÖØÕÙÓ×ØÙÐØÖÒ×ØÓÒÒØÖÐ<br />

φ(x) = 1<br />

<br />

<br />

µ<br />

√ + η(x) + iχ(x)<br />

2 λ<br />

〈0|ηÑÒ|0〉 = 0Ø〈0|χÑÒ|0〉 = 0 µ<br />

<br />

1<br />

L =<br />

2 (∂µη)(∂ µ η) − 1<br />

2 (2µ2 )η 2<br />

<br />

1<br />

+<br />

2 (∂µχ)(∂ µ <br />

<br />

χ) + ...<br />

< 0


Vmin<br />

µ/λ<br />

Im φ<br />

= φ 2<br />

φ<br />

χ<br />

V<br />

η<br />

Re φ = φ1 ÕÙÓÒÔÔÐÐÐÑÔÓ×ÓÒ×ÓÐ×ØÓÒ ØÖÑÒχ(x)ÖÔÖ×ÒØÐÓÒØÖÙØÓÒÙÒÑÔ×ÐÖ×Ò×Ñ×× ÇÒÔÙØÓÑÔÖÒÖÒØÙØÚÑÒØÖ×ÙÐØØÒÑÒÒØÙÒÔØØÔÐ ×Ø VÑÒ(Re(φ), Im(φ)) = VÑÒ(φ1, φ2).<br />

ØÒÒØÐÐÑÒØÒÓØÖÒ ÑÒØÔÖÖÔÔÓÖØÐÖÓÒVÑÒÙÖ ÐÒÖÒØÕÙÓÐÔÖ×ÒÙÒØÖÑÑ××ÐÓÖ×ÕÙ×ÔÐÖ ÁÐÙØÑÒØÒÒØÜÑÒÖÐ×ÓÒ×ÕÙÒ×ÐÒØÖØÓÒÒØÖ×ÑÔ× ×ÔÐÖÖÐÑÒØÓØ<br />

Ó×ÓÒ×ØÙÒÑÔÙ×ØÐÓØÙÔÖÖÔ×ÙÚÒØ Ö×ÙÖÐ×ÝÑØÖÙÐÓÐÑÒ×Ñ<br />

ÑÓÐÓÐ×ØÓÒÕÙÓÒÚÒØÔÖ×ÒØÖÚÐØÓÒÙÒÒØÖØÓÒ Ò××ÓÖÑÐÔÐÙ××ÑÔÐÐÑÒ×ÑÀ××Ø××ÒØÐÐÑÒØÐ À×<br />

ÙÐÓÐÕÙÑÔÓ×ÐÒØÖÓÙØÓÒÙÒÑÔÙAµÚÐ×Ù×Ø ÐØÖÓÑÒØÕÙÐÐ×ØÑÒÔÖÐÔÔÐØÓÒÙÔÖÒÔÙÜ ÔÓ×Ù§ÓÒÖÕÙÖØÐÒÚÖÒÙÄÖÒÒ×ÓÙ×ÙÒØÖÒ×ÓÖÑØÓÒ<br />

ÑÓÐ×ØÙÒÐÐÙ×ØÖØÓÒÙÒØÓÖÑÒÖÐÂÓÐ×ØÓÒÆÙÓÚÓÑÒØÓ iqAµÒ×ÓÖÒÒØÙÜØÖÑ×Ð×ÔÐÙ××ÒØ×ÔÓÙÖÐ<br />

→ ØÙØÓÒ∂µ ∂µ +<br />

ÈÏÀ×ÈÝ×ÄØØ ØÈÝ×ÊÚÄØØ


ÔÖ×ÒØÜÔÓ×ÓÒÓØÒØÐÜÔÖ××ÓÒÙÄÖÒÒ×ÙÚÒØ<br />

<br />

Lη,χ,Aµ =<br />

Ñ××ÕÙη(x)ØÐÑÔ×Ò×Ñ××χ(x)ÓÐ×ØÓÒÔÐÙ×ÓÒØÖÓÙÚÐ ÇÒÖØÖÓÙÚÐ×ÓÒØÖÙØÓÒ××ÑÔ×ÖÒØ ×ØÖÐÑÔ ÉÓÒ×ØÖÙÖÐÜÔÖ××ÓÒÓÑÔÐØÙÄÖÒÒLη,χ,Aµ<br />

ÓÒØÖÙØÓÒÙÒÑÔÙÑ××ÕÙAµ(Ñ××qµ λ )ØØ×ØÙØÓÒÒÓÙÚÐÐ<br />

ÓØØÖÓÙÚÖÙÒÓÑÔÒ×ØÓÒÔÖÐÐÙÖ×ÐÐÔÙØØÖÑ×ÒÚÒÒ<br />

AµÔÙÖÑÒØØÖÒ×ÚÖ×ÐÙÔÖØÕÙÖØÙÒÔÓÐÖ×ØÓÒÐÓÒØÙÒÐÒ ÚÒÒØÑ××ÕÙÓÒÙÒÖÐÖØ×ÙÔÔÐÑÒØÖØÖÓ××ÑÒØ ÔÓ×ÙÒÔÖÓÐÑØÓÙÒØÙÒÓÑÖÖ×Ù×Ý×ØÑÒØÐÑÔ<br />

ÓÖÑ ÖÒ××ÒØÐÑÔφ(x)ÒØÖÑ××ÓÒÑÓÙÐØ×Ô××ÓÙ×Ð<br />

H(x)Øξ(x)×ÓÒØ××ÐÖ×ÖÐ×ÙÜÑÓÝÒÒ×Ò×ÐÚÒÙÐÐ× Ó <br />

×ÖÐØÙÖÔ×ÕÙÒØÖÒÐÐÑÒØÓÒÙÑÔξ(x)ÓÐ×ØÓÒ ÈÖÙÒØÖÒ×ÓÖÑØÓÒÙÕÙØ×ÓÙ×ËÍLÓÒ×ÖÖÒÓÑÔÒ<br />

<br />

Ò×ÐÜÔÖ××ÓÒÙÄÖÒÒ×ØÕÙÓÒÔÔÐÐÐÑÒ×ÑÀ×<br />

φ(x)<br />

Ò×ØØÙÔÖØÙÐÖÔÔÐÓÑÑÙÒÑÒØÙÙÒØÖÐÜÔÖ××ÓÒ ÙÑÔφ(x)×Ø <br />

<br />

φ ØÐÐÙÑÔAµA ′ µ(x) = Aµ(x) + 1<br />

q µ <br />

∂µξ(x)<br />

λ<br />

<br />

+<br />

<br />

1<br />

2 (∂µη)(∂ µ η) + 1<br />

2 (2µ2 )η 2<br />

<br />

<br />

− 1<br />

4 FµνF µν + 1<br />

2<br />

Fµν = ∂µAν − ∂νAµ<br />

+<br />

<br />

qµ<br />

2 AµA<br />

λ<br />

µ<br />

<br />

= 1 <br />

µ<br />

<br />

√ + H(x) exp i<br />

2 λ ξ(x)<br />

µ<br />

′ = 1<br />

√ 2<br />

<br />

µ<br />

+ H(x)<br />

λ<br />

λ<br />

1<br />

2 (∂µχ)(∂ µ χ)<br />

+ ... , Ó


H<br />

H<br />

H 2 AµA µ<br />

A<br />

A<br />

AµA µ H<br />

H 3 H 4<br />

H<br />

H H<br />

H<br />

H<br />

H H<br />

ÖÑÑ×ÒØÖØÓÒÒØÖÑÔÀ×ØÑÔA µØ ÑÔÀ×ÚÐÙÑÑ ÄÄÖÒÒ ÚÒØ<br />

LH,Aµ =<br />

1<br />

<br />

<br />

ÄÄÖÒÒLH,AµÖØÓÖÖØÑÒØÐ×ÔØÖÑ×××ØØÒÙÁÐÖÔÖ<br />

ÒØÖÐ×ÑÔ×ÚÓÖÙÖ ×ÒØÙÜÔÖØÙÐ×Ñ××Ú×ÒØÖ××ÒØ×ÐÓ×ÓÒ×ÐÖÀ×Ñ×× Ä×ÙØÖ×<br />

ÉÓÒ×ØÖÙÖÐÜÔÖ××ÓÒÙÄÖÒÒLH,Aµ<br />

ÐÐÐÙ×ØÖÓÒ×Ù§<br />

ØØÒÐÝ×ÔÙØØÖØÒÙÙØÖ××ÝÑØÖ×ÙÕÙU(1)ÒÓÙ× ØÖÑ×ÐÖÐØÓÒÖÚÒØÐÓÒ×ØÒØ1<br />

mH = 2µ 2ØÐÓ×ÓÒÙÚØÓÖÐAµÑ××mAµ<br />

+<br />

+<br />

2 (∂µH)(∂ µ H) + 1<br />

2 (2µ2 )H 2<br />

<br />

− 1<br />

4 FµνF µν + 1<br />

<br />

qµ<br />

2 λ<br />

2 q µ<br />

HAµA<br />

λ<br />

µ + 1<br />

2<br />

AµA µ<br />

<br />

H<br />

2 q2H 2 AµA µ − λµH 3 − 1<br />

4 λ2H 4 + 1<br />

4<br />

=<br />

µ 4<br />

4<br />

A<br />

A<br />

µ 4<br />

λ2 qµ<br />

λ<br />

λ2ÔÖ×Ð×ÒØÖØÓÒ×


ÄØÓÖÐØÖÓÐÏ Ä×Ó×ÔÒØÐÝÔÖÖÐ×Ð×ÝÑØÖËÍ<br />

ÒÜÔÓ×ÖÐ×××ØÒÖÔÔÐÖÐ×ÔÖØÓÒ××ÐÐÒØ××Ò×ÒØÖÖÒ× ×ØÐ×ÐÙÐ ØÚÓÕÙÒ×ÓÙÖ×ÒÔÖØÙÐÖÙÔØÖÆÓØÖÓØ×Ø ÄÒÓÑÐØÓÖÐØÖÓÐÑÓÐÐ×ÓÛÏÒÖËÐÑ<br />

ÄÒÚÖÒÙ×ØÙÒÔÖÓÔÖØÒØÖÐ×ØÓÖ×ÑÔ×ÕÙÒ<br />

L<br />

ØÕÙ×ÔÖÕÙÐÐÖÒØØÕÙÐ×ÖÒÙÖ×ÐÙÐ×ÓÒØ×ÚÐÙÖ×Ò× ÄØÓÖÉÒ×ØÙÒÜÑÔÐÓÒÚÙ§ ÕÙÐÄÖÒÒLQED×Ø<br />

ÇÒ×ÔÓ××ÐÓÖ×ÐÕÙ×ØÓÒÕÙÐ×ØÐÖÓÙÔ×ÝÑØÖÙÖÐÚÒØ<br />

ÐÓÙÖÒØÐÒÙØÖÑÑÕÙÐÓÙÖÒØÑØÓÙÐ×ÓÑÔÓ×ÒØ×Ù Ò×Ð×ÐÒØÖØÓÒÐÍÒÖÔÓÒ×Ø×ÙÖÔÖËÄÐ×ÓÛ ÕÙÐÓÑÔÓ×ÒØÙÖÐØ ÖØÖÓØÖÐر1ÇÒÒØÖÓÙØÐÓÒÔØ×Ó×ÔÒÐÒ Ò×ÓÒÒØ×ÙÖÐÓ×ÖÚØÓÒÕÙÐ×ÓÙÖÒØ×Ð×Ö×ÒØÒØ ×ÖÑÓÒ×ÐÔØÓÒ×ØÕÙÖ×ÐÓÖ×ÕÙ<br />

×ØÖÒ×ÓÖÑØÓÒ×ÙÒÖÓÙÔ×ÝÑØÖËÍLÒ×Ð×Ô×Ó×ÔÒÐ ÙÖ×ÙÒÑÐÐÖÑÓÒ××ÓÒØÓÒ×Ö×ÓÑÑÓÖÑÒØÙÒÓÙÐØ<br />

T3)ÓÒØÐ×ÓÑÔÓ×ÒØ×Ti×ÓÒØÐ×ÒÖØÙÖ×<br />

iεijkTkÖÓÙÔÒÓÒÐÒÄ×ÑÑÖ× ÔÖÐÚØÙÖÓÔÖØÙÖT(T1, T2, Ä×TiÒÓÑÑÙØÒØÔ×[Ti, Tj] =<br />

ÓÙÐØ×ØÖÒ×ÓÖÑ×ÓÙ×ËÍ LÓÑÑ <br />

×Ðק ÌÝÔÕÙÑÒØÐ×ÑÔÐØÙ×ØÖÒ×ØÓÒÒ×ÐÐÙÐ×ÔÖØÙÖØÓÒ××ÓÒØÖÒÓÖÑÐ ÊÔÔÐÓÒ×ÕÙÐ×ÓÑÔÓ×ÒØ×fL,RÙÒÖÑÓÒ×f×ÓØÒÒÒØÔÖÐÓÔÖØÓÒÔÖÓ<br />

g×ØÙÒÖÐÔÖÒÐÓÚÐÖÐØÖÕÙÙÒØe<br />

ÙÜÙÜÙØÖ×ÑÐÐ×<br />

ÈÓÙÖ×ÑÔÐÖÐÖØÙÖÓÒ××ØÐÑØÐÔÖÑÖÑÐÐÐ×ÖÔØÓÒÔÙØØÖØÒÙ ØÓÒfL,R =<br />

× U(1)Y<br />

ÒÚÖÒØ×ÓÙ×ÐØÖÒ×ÓÖÑØÓÒÙ<br />

U(1) = exp[iqα(x)] <br />

×Ó×ÔÒÐØÐÕÙ<br />

T = 1<br />

2 , T3<br />

<br />

+1/2<br />

=<br />

−1/2<br />

T = 1<br />

νe<br />

e −<br />

<br />

u<br />

, ...ÓÙ<br />

d<br />

L<br />

′<br />

χ ′ L ⇒ exp[igθ(x) · T] χL,Ó <br />

νe<br />

χL =<br />

e− <br />

u<br />

, ...,ÓÙ<br />

d ′<br />

2τÓÐ×τi×ÓÒØÐ×ÑØÖ×ÈÙÐ 1 γ5)fÚLÔÓÙÖÐØØÊÔÓÙÖÖØ<br />

2 (1 ∓<br />

<br />

L<br />

<br />

, ...<br />

L<br />

, ...


ÓÖÑÒØÙÒ×ÒÙÐØ×Ó×ÔÒÐØÐÕÙ Ä×ÑÑÖ×ÖÓØÖ×ÐÑÑÑÐÐÖÑÓÒ××ÓÒØÓÒ×Ö×ÓÑÑ<br />

T = 0 ; T3 = 0 : e −<br />

R , ... , uR , d ′ ÁÐ××ØÖÒ×ÓÖÑÒØ×ÓÙ×U(1)YWÓÑÑ <br />

ÓÙ <br />

R , ...<br />

ØÖØÓÒÓÖØÖÐØÓÒ ÄÖÒÙÖYW×ØÒÔÖÒÐÓÚÐÝÔÖÖÒØÖÓÙØÒÒ<br />

YW×ØÐÝÔÖÖÐ<br />

R<br />

ÇÒÓÒ×ÒÒ×ÐØÐÙ Ð×ÚÐÙÖ×ÒÙÑÖÕÙ××ÒÓÑÖ×ÕÙÒ<br />

YW<br />

Ù××Ó×ÙÖÓÙÔËÍ ÒØÖØÓÒÄÑÓÐÐ×ÓÛÏÒÖËÐÑÒØÖÓÙØØÖÓ×ÑÔ× Ä×ØÖÒ×ÓÖÑØÓÒ×ÐÓÐ× T3ØYW××Ò×ÙÜÖÒØ×ØØ×ÖÑÓÒ×<br />

LØÓÖÑÒØÙÒØÖÔÐØ×Ó×ÔÒÐÚØÙÖ Ø ÑÔÐÕÙÒØÐÜ×ØÒÑÔ× ØÕÙ×Ø×T,<br />

ØÙÒÑÔÙ××ÓÙÖÓÙÔU(1)YWÓÖÑÒØÙÒ×ÒÙÐØ×Ó×ÔÒ <br />

Ð×ÐÖ<br />

⎠<br />

T = 0 ; T3 = 0 : (B µ <br />

ÑÓÒ×ÙÖ× Ä×ÝÑØÖÓÑÒËÍ ×Ò×Ñ×× ÇÒÔÙØ×ÐÓÖ×ÖÖÐ×ÜÔÖ××ÓÒ××ÖÚ×ÓÚÖÒØ×ÈÓÙÖÐ×Ö<br />

U(1)YWØÒØ×ÙÔÔÓ×ÔÖØ×ÑÔ××ÓÒØ<br />

)<br />

L ×<br />

D<br />

2 Bµ ÖÓØÖÐÙØÖÒ×ÙÒÑÑÑÐÐÖÑÓÒ×ÊÔÔÐÓÒ×ÔÖÐÐÙÖ×ÕÙÐ×ÒÙØÖÒÓ× ÂÙ×ÕÙÔÖÙÚÙÓÒØÖÖÐÒÝÔ×ØÖÒ×ØÓÒÐ×ÒØÔ××ÖÙÒÑÑÖ <br />

ÔÖÖÙÒÔÖØØÙÜ×Ó×ÔÒØÝÔÖÖÐ×ÙØÖÔÖØÐÒÝÒØÖÙÜ Ò×ÓÒØÓ×ÖÚ×ÕÙÒ×ÐØØÙÖ§ ÕÙÙÒ×ÑÐØÙÓÒ×ØÖÙØÓÒÓÖÑÐÐ ÊÑÖÕÙÓÒ×ÕÙÐÒÜ×ØÙÙÒÓÒÒÜÓÒÔÝ×ÕÙÒØÖÐ×ÓÒÔØ××Ó×ÔÒØÝ ÆÓØÓÒ×ÕÙÒ×ÐÑÓÐÐÔÓØÓÒØÐÐÙÓÒÒÓÒØÔ×ØØÖÙØ×Ó×ÔÒÐ<br />

χ ′ R =⇒ exp[ig′ θ(x) YW<br />

uR , d ′ R , ...<br />

χR = e −<br />

, ...<br />

g ′×ØÙÒÙØÖÖÐ<br />

2<br />

⎧<br />

⎨ +1<br />

T = 1, T3 = −1<br />

⎩<br />

0<br />

= Q − T3<br />

:<br />

2 ]χR ,Ó<br />

µ = ∂ µ + ig τ<br />

2 · W µ + ig ′YW<br />

⎛<br />

W<br />

⎝<br />

µ<br />

1<br />

W µ<br />

2<br />

W µ<br />

⎞<br />

3


ØØ×ÖÑÓÒ<br />

νe, νµ, ντ<br />

e −<br />

L , µ−<br />

L<br />

e −<br />

R , µ−<br />

R<br />

, τ −<br />

L<br />

, τ −<br />

uL, cL, tL<br />

R<br />

É T<br />

+ 2<br />

3<br />

T3 YW<br />

d ′ L , s′ L , b′ L<br />

−1 1 − 3 2<br />

1 + 2<br />

1<br />

3<br />

uR, cR, tR + 2<br />

+ 3<br />

4<br />

3<br />

d ′ R , s′ R , b′ R<br />

−1 − 3<br />

2<br />

ØØÖÙ×ÙÜÖÒØ×ØØ×ÐØ×ÖÑÓÒ× Ì ÎÐÙÖ××ÒÓÑÖ×ÕÙÒØÕÙ××Ó×ÔÒØÝÔÖÖÐ×<br />

3<br />

ØÔÓÙÖÐ×ÖÑÓÒ×ÖÓØÖ×ÒÓÒØ×ÔÖËÍ L<br />

D µ = ∂ µ + ig ′YW<br />

2 Bµ ÔÖ××ÓÒÙÄÖÒÒÒÚÖÒØÔÖÒÐÓÖÑ×ÙÚÒØ ËÐÓÒÔÖÒÒÓÑÔØÐ×ØÖÑ×ÒÖÒØÕÙ×ÑÔ×ÙÐÜ <br />

<br />

L = χLγµ ∂ µ − ig τ<br />

2 · W µ − ig ′YW<br />

2 Bµ <br />

<br />

χL<br />

<br />

+ χRγµ ∂ µ − ig ′YW<br />

2 Bµ<br />

<br />

χR − 1<br />

4 W µν · W µν − 1 ÄÜÑÒ×ÓÑÔÓ×ÒØ×ÒØÖØÓÒ×ÖÑÓÒ×ÙÖ×ØÖÓØÖ×Ú<br />

µÑÒÒØÖ××ÒØ×ÙØÓÒ×ÐÐ×ÚÐÑÔ<br />

µν<br />

BµνB<br />

4 Ð×ÑÔ×W µØB<br />

1<br />

2<br />

1<br />

2<br />

1<br />

2<br />

1<br />

2<br />

1<br />

2<br />

1<br />

2<br />

+ 1<br />

3


W µÔÙÚÒØØÖÖØ×<br />

−igj µ · W µ <br />

1√2<br />

= −ig (j + µ W µ+ + j − µ W µ− ) + j 3 Ó <br />

<br />

µ3<br />

µ W ,<br />

τ<br />

j µ = χLγµ 2 χL ,<br />

j ± µ = j 1 µ ± ij 2 µ ,<br />

W µ± = 1 √ (W<br />

2 µ1 ∓ iW µ2 ) ÐÐ×ÚÐÑÔB µÓÒØÐÓÖÑ<br />

jYW<br />

′ µ<br />

−ig<br />

2 Bµ = −ig ′ [(j em<br />

µ − j3 µ )Bµ Ó <br />

] ,<br />

j YW<br />

µ = χLγµYWχL + χRγµYWχR ,<br />

j em<br />

µ = eχ ØÓÙØÓ×ÓÒÒ×ØÒÙÔ×ÙÔÖÑÖÓÙÔÓÐÕÙÔÙØÔÖÓÚÒÖÙ ØÖÑÓÒØ ÇÒÖÓÒÒØÒ×ÐÔÖÑÖÔÖØÙØÖÑÖÓØ ÙØÓÒÐÒØÖØÓÒÔÖÓÚÒÒØ×ÓÙÖÒØ×Ð×Ö×Ä×ÓÒÔÖØ ÐÓÒØÖ<br />

ÓÙÖÒØÐÒÙØÖØÙÓÙÖÒØÐØÖÓÑÒØÕÙÄÑÓÐÏËÒÓÙ× ÖÔÖ×ÒØÐ×ÓÒØÖÙØÓÒ×ÓÙÖÒØ×ÒÙØÖ×<br />

LγµQχL + eχRγµQχR ÔÔÓÖØÐÐÖÒ××ÖÔÖÓÔÓ×ÐÓÒ×ÖÕÙÐ×ÑÔ×W µ3 , B µ ×ÓÒØ×ÓÑÒ×ÓÒ×ÐÒÖ×ØÓÖØÓÓÒÐ××ÑÔ×Z µ , A µ<br />

<br />

µ3 W<br />

B µ<br />

<br />

µ<br />

cosθW sin θW Z<br />

=<br />

− sin θW cosθW A µ ÚÓÖ§ θW×ØÐÒÐÑÐÒÐØÖÓÐÔÔÐÓÑÑÙÒÑÒØÐÒÐÏÒÖ<br />

<br />

, Ó:<br />

Ò×Ù×ØØÙÒØÐ×ÜÔÖ××ÓÒ×W µ3ØB µÒØÖÑ×A µ , Z µÒ×<br />

<br />

Ø ØÒÖÖÓÙÔÒØÐ×ÔÒÒ×ÒA µ ÓÒØÖÙØÓÒ×ÓÙÖÒØÒÙØÖ×<br />

ÇÒÖÓÒÒØÑÒØÒÒØÒ× ÐÓÖÑÙ×ÙÐÐÙÓÙÔÐÑ<br />

ÇÒØÙ×ÐÖÐØÓÒYW 2 T3ÒØÒÒØÓÑÔØÙØÕÙT3 ÖÑÓÒÖÓØÖ<br />

0ÔÓÙÖÐ<br />

<br />

ËÐÓÒ×ÖÔÔÓÖØÙÜÒÓØØÓÒ×Ù§ÓÒgγ =<br />

−iej em<br />

−i[(g sin θW − g ′ cosθW)j 3 µ + g ′ cosθWj em<br />

µ ]A µ −i[(g cosθW + g ′ sin θW)j 3 µ − g′ sin θWj em<br />

µ ]Zµ<br />

µ Aµ×ÐÓÒÔÓ× g = e<br />

sin θW<br />

; g ′ = e<br />

, Z µÓÒÓØÒØÔÓÙÖÐ×<br />

cosθW<br />

= Q + =<br />

e, g = gW ±, g ′ = gZ sin θW


ØÔÖÓÒ×ÕÙÒØ <br />

ÌÒÒØÓÑÔØ ÐØÖÑÓÙÔÐÐÒÙØÖÔÙØ×ÖÖ <br />

g<br />

×ÓÙ×ÐÓÖÑ <br />

ÇÒÚÓØÔÔÖØÖÒ××ÓÒÒÜÓÒ×ÒØÑ×ÒØÖÐÓÙÖÒØÐÒÙØÖ Ð×ØÑ×ÔÖØÓÒ×ÙÑÓÐÏËÓÒØØØ×Ø×Ú×Ù×ÓÖÑ×<br />

µÒ×ÕÙÒØÖÐ×ÓÒ×ØÒØ×ÓÙÔÐ ÕÙÐ×ÕÙÒØ×ÑÔ×Ð×Ó×ÓÒ×W ±ØZÓÒØØØÖÓÙÚ×Ñ×××ÚÓÖ ÙÑÓÐÒ×Ò×ÔÖÒØÐÔÖÓÙÖÖØÙܧØØØ×ÓÒ ØÔØÐÓØÙÔÖÖÔ×ÙÚÒØ ÔØÖÌÓÙØÓ×ÓÒ×ØÙÑÓÒ×ÒÔÖÒÔÓÑÑÒØÖÑÖÙØ<br />

ÇÒÕÙØÖÑÔ×ÙÓÒØØÖÓ×ÓÚÒØØÖÖÒÙ×Ñ××××ÓØÐ× Ò×ÑÀ× ËÝÑØÖÐÓÐÖ×ËÍ L⊗Í YÑÔÐØÓÒÙÑ<br />

Ó×ÓÒ×W ±××Ó×ÙÜÓÙÖÒØ×Ð×Ö×ØÐÓ×ÓÒ××ÓÙÓÙÖÒØ ÐÖØØ×××ÙÖÖÔÐÙ×ÕÙÙÒ×ÝÑØÖÙÖ×ØÒÓÒÖ×ØÐÐ ÐÒÙØÖÁÐÙØÓÒÒØÖÓÙÖÙÒÑÔ×ÐÖÚÙÑÓÒ×ØÖÓ×Ö× ×ÓÖØÕÙÙÒÑÔÙ×Ò×Ñ×××Ù××ØÔÓÙÖÖÔÖ×ÒØÖÐÔÓØÓÒÒ× ÙÒÓÙÐØËÍ ÐÑÓÐÏËÓÒÒØÖÓÙØÙÒÑÔ×ÐÖÓÑÔÐÜ×ØÖÒ×ÓÖÑÒØÓÑÑ<br />

L<br />

T = 1<br />

2 , T3 <br />

ØÖ×ÔØÚÑÒØÐÙÖÝÔÖÖÐ<br />

=<br />

, Ó:<br />

ÆÓØÓÒ×ÕÙÑÔ×Ø×ÙÔÔÓ×ÓÖÑÖÙÒ×ÒÙÐØÓÙÐÙÖ<br />

2×ØÜÔÖÑÒÙÒØε0cÒÙÑÖÕÙÑÒØÓÒ ÚÙØÓÒYW =<br />

<br />

g2Øg ′2×ÓÒØ×Ò×ÑÒ×ÓÒe<br />

j NC<br />

−i<br />

g<br />

′<br />

g<br />

= tan θW<br />

<br />

1 1<br />

+<br />

g2 g ′2 = 1<br />

e2 (j<br />

cos θW<br />

3 µ − sin 2 θWj em<br />

µ )Z µ = −i<br />

cos θW<br />

j NC<br />

µ = j3 µ − sin 2 θWj em<br />

µ<br />

µØÐÓÙÖÒØÐØÖÓÑÒØÕÙj em<br />

g<br />

j NC<br />

µ Z µ ,Ó:<br />

<br />

+<br />

+1/2 φ = √2 1 (φ1 + iφ2)<br />

φ =<br />

−1/2 φ0 = 1<br />

φ4×ÓÒØ××ÐÖ×ÖÐ×<br />

√ (φ3 + iφ4)<br />

2<br />

φ1, ... ,<br />

φ + φ0ÓÒØ×Ö×ÐØÖÕÙ× ,<br />

+1.<br />

g2 /4π ≃ 1/30 ; g ′2 /4π ≃ 1/100 ; e2 /4π ≃ 1/137 ; sin 2 90Î<br />

0.231ÔÓÙÖÐÒÖÕÙÚÐÒØ<br />

θW ≃<br />

MZ ≃


ÑÔ×Ø×ÙÔÔÓ×ÚÓÖÙÒÑÓÝÒÒÒÓÒÒÙÐÐÒ×ÐÚØÓÒØÐ ÓÜφ1 = λ )<br />

ÚÓ×ØÓÒÖÒØÐ×ÓÓÙÐØÒØÖÑ××ÓÒÑÓÙÐØ×Ô× Ò×ÙÚÒØÐÔÖÓÙÖÖØÙ§ÓÒÚÐÓÔÔφ(x)ÙØÓÙÖÐØØ <br />

<br />

<br />

ÐÚ<br />

, Ó:<br />

Ä×ØÖÓ×Ö×ÐÖØÒ×ÐÖ××ÖØÖÓÙÚÒØÒ×Ð×ÓÑÔÓ×ÒØ× ÈÖÙÒÓÜÙÕÙØÙÙÒØÖÐØÙÖÔ××ØÓÑÔÒ×<br />

ξ3(x)Ó×ÓÒ×ÓÐ×ØÓÒ ÓÒÐÑÒÖÐ×ØÖÓ×ÓÑÔÓ×ÒØ×ξ1(x), ξ2(x), ÔÓÐÖ×ØÓÒÐÓÒØÙÒÐ×ÑÔ×W ±ØZÒ×ØØÙÐÄÖÒÒ <br />

<br />

φ2 = φ4 = 0 ; φ3 = µ<br />

〈0|φ|0〉 = φÚ= 1<br />

√<br />

2<br />

0µ<br />

λ<br />

φ(x) = 1 <br />

0µ<br />

iξ(x) · τ<br />

√ exp<br />

2 + H(x)<br />

λ 2 µ<br />

ξ3(x)]×ÓÒØ×ÑÔ×ÖÐ×ÑÓÝÒÒ×ÒÙÐÐ×Ò×<br />

<br />

λ<br />

H(x)Ø[ξ1(x), ξ2(x),<br />

×ØÐÓÖÑ LH,W ±µ ,Z µ ,A µ =<br />

(τ1, τ2, τ3)×ÓÒØÐ×ÑØÖ×ÈÙÐ<br />

+<br />

1<br />

2 (∂µH)(∂ µ H) + 1<br />

2 (2µ2 )H 2<br />

<br />

− 1<br />

2 (FW −)µν(FW +) µν + 1<br />

2<br />

<br />

g µ<br />

λ<br />

2 (W−)µ(W+) ν<br />

<br />

+ − 1<br />

4 ZµνZ µν + 1<br />

<br />

µ<br />

2 (g<br />

2 2λ<br />

2 + g ′2 )ZµZ µ<br />

<br />

+ − 1<br />

<br />

′µν<br />

FµνF + ....... , Ó:<br />

4<br />

Fµν ∂µAν − ∂νAµ<br />

FW ∓)µν∂µ(W∓)ν ÇÒÒÓÒ×ÖÚÒ× Ð×ÔØÖÑ×××Ð×ÔÖØÓÒ×ÙÑÓÐ×ÓÒØ Ñ××ÓÒÖÒÒØÐÓ×ÓÒÀ×ØÐ×Ó×ÓÒ×ÙÒÕÙÓÒÖÒ ÕÙÐ×ØÖÑ×ÒÖ×ÒØÕÙ×ØÒÖ×<br />

− ∂ν(W∓)µ<br />

Zµν ∂µZν − ∂νZµ<br />

MW ± = 1<br />

2 gµ<br />

λ ; MZ = 1<br />

2 (g2 + g ′2 ) 1 µ<br />

2<br />

λ ; ÜÖ ÄÜÔÖ××ÓÒÓÑÔÐØÙÄÖÒÒÔÙØ×ØÖÓÙÚÖÒ×ÐÐØØÖØÙÖ×ÔÐ×ÚÓÖÔÖ ÓÜ×ØÒÖÔÔÓÖØÚÐÓÒ×ÖÚØÓÒÐÖÐØÖÕÙ ÓÙÐØÖÓÛÒØÖØÓÒ×ÈÊÒØÓÒÑÖÍÒÚÈÖ××<br />

Ó:<br />

ÄØÙÖ1 2Ò×ÐÜÔÖ××ÓÒM W ×ÒØ×W µ<br />

<br />

iÒ× ±×ÓÑÔÖÒ×ÓÒÚÐÓÔÔÒØÖÑ×ÓÑÔÓ


MW ±<br />

g<br />

MZ (g2+g ′2 ) 1/2 = cos θW<br />

MH (2µ 2 ) 1/2 ÒÓÑÒÒØ Ø ØÒÙØÐ×ÒØÓÒÓØÒØ<br />

µ<br />

λ = (√2 GF) −1<br />

2 = ( √ 2 · 1.166 · 10 −5 ) −1<br />

ÄÑÓÐÒØÔÖÓÒØÖÙÙÒÔÖØÓÒ×ÙÖÐ×ÚÐÙÖ×µØλÔÖ××<br />

2<br />

×ÔÖÑÒØØÒÓÒ×ÕÙÒ×ÙÖÐÑ××( 2µ 2 Ç×ÖÚÓÒ×ÔÖÐÐÙÖ×ÕÙÐÑÔÐØÖÓÑÒØÕÙÒ×ØÔÖ×ÒØÒ× )ÙÓ×ÓÒÀ×<br />

ÄÜ×ØÒÙÔÓØÓÒ×Ò×Ñ×××ØÙÒÓÒ×ÕÙÒÙÓÜ<br />

= 0) ÕÙÔÖ×ÓÑÔÓ×ÒØÒÖÖØÕÙ(Mγ ÄØØÙÚÒÙØÖÒ×Ò×ØØÐÕÙT3 = −1 2 , YW = +1)<br />

QφÚ= T3 + YW ÁÐ×ØÒÚÖÒØ×ÓÙ×ÐØÖÒ×ÓÖÑØÓÒ <br />

φÚ <br />

φÚ= 0<br />

2<br />

ÐÔÓØÓÒÖ×Ø×Ò×Ñ××Ä×ØÖÓ×ÙØÖ×ÒÖØÙÖ×Ö×ÒØÐ×ÝÑØÖØÐ×<br />

U(1)ÑφÚ= exp(ieQα(x))φÚ=<br />

Ó×ÓÒ×××Ó×ÚÒÒÒØÑ×××<br />

ÔÓÙÖØÓÙØÚÐÙÖα(x)<br />

ÑÑÖ×ÙÒ×ØÖÓ×ÑÐÐ×ÐÔØÓÒ×ÓÒ×ØØÙÒØÙÒÓÙÐØ×Ó×ÔÒ ÓÒ×ÖÓÒ×ØÓÙØÓÖÐ××ÐÔØÓÒ×ÊÔÔÐÓÒק ÓÙÔÐÒØÖÑÔÀ×ØÑÔ×ÖÑÓÒÕÙÐ×<br />

= ÐÙÖχL νℓ ℓ− <br />

= ℓ LØÙÒ×ÒÙÐØ×Ó×ÔÒÐÖÓØÖχR −<br />

ℓ− = e− ÄÖÒÒ , µ LH,ÐÔØÓÒ=−gℓ[(χ LφÚχR) + (χRφÚχL)] = − gℓ<br />

<br />

µ<br />

√2<br />

λ (χ φÚ ÓÒ×ØÒØÓÙÔÐÖØÖÖ <br />

LχR + χRχL) + H(χLχR + χRχL) gℓ <br />

√2<br />

1 0µ<br />

λ +H(x) Ø φÚ= 1 <br />

<br />

√<br />

µ<br />

0 + H(x)<br />

2 λ<br />

≃ 246Î<br />

T,YW×ÙÐÐÓÑÒ×ÓÒQ U(1)Ñ×ØÒØÙÒ×ÓÙ×ÖÓÙÔËÍL×U(1)YW×ÕÙØÖÒÖØÙÖ× ×Ø×Ø ÑÔÐÕÙÒØÕÙ<br />

−ÄÓÙÔÐÙÑÔÀ×ÔÔÓÖØÙÒÓÒØÖÙØÓÒÙ RÓ<br />

<br />

−ÓÙτ<br />

,Ó:


ÄÐÔØÓÒÖÕÙÖØÙÒÑ×× <br />

mℓ<br />

ÖÓØÖÖ×Ø×Ò×Ñ×× ÔÖØÖ×Ñ×××Ñ×ÙÖ××ÐÔØÓÒ×Ö×<br />

λØÒØÓÒÒÙÓÒÚÓØÕÙÐÓÒ×ØÒØgℓÔÙØØÖØÖÑÒ<br />

Ð×ÙÜÑÑÖ×ÙÒ×ØÖÓ×ÑÐÐ×ÕÙÖ××ÓÒØÔÖ×ÒØ×Ò× Ä×ØÙØÓÒ×ØÔÐÙ×ÓÑÔÐÕÙÒ×Ð××ÕÙÖ×ÖÖÔÔÐÓÒ×ÕÙ ÊÑÖÕÙÓÒ×ÕÙÐÒÙØÖÒÓνℓÕÙÒÔ×ÓÑÔÓ×ÒØ×Ó×ÔÒÐ ÔÐÙ×ÐÔÖ×ÒØÙÒÓÙÔÐÙÓ×ÓÒÀ×ÓÒØÐÒØÒ×ØÚÙØgℓ<br />

Ð×ÓÓÙÐØÐÙÖØÒ×Ð×Ó×ÒÙÐØÐÖÓØÖÒÒÒÖÖ<br />

ÄÚÐÙÖµ<br />

ÙÒÑÔÀ×ÓÒÙÙÓÒØÐÓÖÑÒ×ÐÚ×Ø ×ØÖÑ×Ñ××ÔÓÙÖÐÑÑÖ×ÙÔÖÙÖÓÒ×ØÑÒÔÓ×ØÙÐÖÐÜ×ØÒ<br />

∗Ú= φÚ×ØÖÒ×ÓÖÑÒØÐÑÑÓÒ <br />

<br />

ÚÒØÓÒ××ØÐÑØÐÑÐÐ×ÕÙÖ×ÐÖ× ÄÓÒØÖÙØÓÒÙÄÖÒÒÙÙÓÙÔÐÒØÖÕÙÖ×ØÑÔÀ×<br />

2×ØÒÓÖ×Ø×Ø<br />

−1ØÐÐ×ÓÖØÕÙ ØØÓÒ×ØÖÙØÓÒÖÒØØÕÙφÚØ∼<br />

<br />

×ÓÙ×ËÍLÔÐÙ×ÓÒØØÖÙ∼<br />

= φÙÒÝÔÖÖYW + ÐÖÐØÓÒQ=T3 LH,ÕÙÖ= −<br />

gdØgu×ÓÒØ×ÓÒ×ØÒØ×ÓÙÔÐ<br />

ÙØÐ×ÔÓÙÖÐ×ÑÐÐ×ÐÔØÓÒ××ÐÓÒÑØÕÙÐ×ÒÙØÖÒÓ×ÓÒØÙÒÑ×× Ä×ØÖÑ×Ñ××ØÓÙÔÐÙÓ×ÓÒÀ×ÓÒØ×ÖØÖ×ØÕÙ× ÓÑÔÖÐ×ÐÐ×ØÖÓÙÚ×Ò×Ð×ØÙÖ×ÐÔØÓÒ×<br />

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YW<br />

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µ<br />

λ<br />

µ<br />

λ<br />

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0<br />

gd<br />

<br />

µ<br />

√2<br />

λ (χLd ′ R + d′ RχL) + H(χLd ′ R + d′ RχL) − gu<br />

<br />

µ<br />

√2<br />

λ (χ <br />

LuR + uRχL) + H(χLuR + uRχL)<br />

+ ....... , Ó:<br />

√2 = mℓ− µ<br />

λ


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λ<br />

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G ⊃ËÍ(3)C ⊗ËÍ(2)L ⊗Í(1)YW


g<br />

g : SU(<br />

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g : SU(<br />

2)<br />

g ’ :U( )<br />

1 Y<br />

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L<br />

C<br />

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Qα|ψ〉 = |φ〉,Ó:


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Q β = Q T β γ0 (TÔÓÙÖØÖÒ×ÔÓ×


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π + → π + π +<br />

e − → γ ∗ → qq


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q<br />

(JP = 0− )ØÐ×Ñ×ÓÒ×ÚØÙÖ×(J P (JP = 3<br />

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P = 1<br />

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Ω(JP = 3<br />

2<br />

P<br />

= 1 − ) <br />

= 1<br />

2


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U(1)Y

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