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1556 Appendix B
Isotope
t 1/2 DecayMode(s) Energy(MeV) Percent
-Ray Energy(MeV)
Percent
EC
2.28 100%
0.265 68%
0.280 20%
others
1.08 9%
0.514 100%
0.142 100%
0.392 100%
18.8 d
64.8 d 28.8 y 64.1 h 6.02 h 99.5 min 13.0 h 8.040 d
32.3 h
30.17 y 12.79 d
2.696 d 64.1 h 138.38 d
0.69 9%
1.77 91%
0.248 7%
0.607 93%
others
0.546 100%
IT
IT
EC
EC
EC
0.159
0.364 85%
others
0.0400 35%
0.372 32%
0.411 25%
others
0.662 95%
0.030 25%
0.044 65%
0.537 24%
0.511 95%
1.17 5%
1.035
1.161
4.68 5%
4.87 95%
4.68
4.22 23%
4.27 77%
numerous
4.96 (max.)
others
0.412
5.41 100%
0.0733 100%
0.186 100%
numerous
<0.400%
0.050 23%
numerous
<0.250%
5.19 11%
73%
5.23 15%
0.013 15%
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