Symposium över medicinsk isotopdiagnostik - Svensk Förening för ...
Symposium över medicinsk isotopdiagnostik - Svensk Förening för ...
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