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Symposium över medicinsk isotopdiagnostik - Svensk Förening för ...

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Tabell 2, Approximativ sönderfallstabell <strong>för</strong> 1 1 25<br />

Main processes<br />

Data utilized for<br />

the calculations<br />

Electron capture:<br />

ECL/ECK = 0.23±0,03<br />

Neglecting ECM gives:<br />

Isomeric transition:<br />

Internal conversion<br />

cxK= 11. 7; cxK/ cxL =7 .3 ;Ml<br />

Assuming cxL/cxM = 3 gives:<br />

Unconverted ga.rmnarays<br />

l/(Ecx + 1)<br />

ICK = aK/(aK+aL+aM+l)<br />

ICL<br />

ICM<br />

L vacancies induced<br />

by K vacancies<br />

Total vacancies in<br />

K and L<br />

Fluorescence:<br />

K fluorescense total<br />

K ex X-rays<br />

K fl X-rays<br />

L X-rays, total<br />

Other X-rays<br />

Auger electrons:<br />

From K vacancies<br />

From L<br />

From other vacancies<br />

Il<br />

Vacancies<br />

per<br />

decay<br />

in shells<br />

K L<br />

.82 .18<br />

,79<br />

.11<br />

1.50<br />

Approximate<br />

intensities<br />

%<br />

7<br />

79<br />

11<br />

3<br />

139<br />

106-139<br />

35-0<br />

24<br />

22<br />

155<br />

(The sum of Kex and K S intensities is about 139 %).<br />

Energy<br />

or<br />

energy<br />

limits<br />

keV<br />

35<br />

3<br />

30<br />

34<br />

26.8-27,5<br />

30.8-31.8<br />

3.3-4.9<br />

< 1.0<br />

21.9-31.8<br />

2.3-4.9<br />

< 1.0<br />

P1.·<br />

Kind<br />

of<br />

irradiat<br />

ion<br />

y<br />

e<br />

e<br />

e<br />

X<br />

X<br />

X<br />

X<br />

e<br />

e<br />

e

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