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nuclear decay information about LNF radioisotopes |
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Radionuclide |
Decay mode |
Principal radiation Energy (MeV) |
Intensity of emission % |
Half -life |
NA-22 |
beta+ |
beta1max 0.545 gamma1 0.511 gamma2 1.275 |
90 180 100 |
26 y |
Mn-54 |
CE |
gamma 0.834 Cr Xrays |
100 |
312 d |
Fe-55 |
CE |
kalfa1 0.0059 Mn Xrays |
27.7 |
2.7 y |
Co-57 |
CE |
gamma1 0.122 gamma2 0.136 Fe Xrays |
85.6 10.6 |
271 d |
Co-60 |
beta- |
beta1max 0.314 gamma1 1.173 gamma2 1.332 |
99 100 100 |
5.27 y |
Sr-90+Y-90 |
beta- |
beta1max Sr-90 0.546 beta1max Y-90 2.27 |
100 100 |
28.1 y 64 h |
Ru-106+Rh-106 |
beta- |
beta1max Ru-106 0.039 beta1max Rh-106 3.5 gamma1 0.512 gamma2 0.622 |
100 100 21 10 |
372 d 30 s |
Ba-133 |
CE |
gamma1 0.080 gamma2 0.276 gamma3 0.302 gamma4 0.356 gamma5 0.382 |
32.8 7.3 18.6 62.3 8.8 |
10.5 y |
Cs-137 |
beta- |
beta1max 0.512 beta2max 1.173 gamma1 0.662 Ba Xrays e- 0.624 |
100 7 85 5.7 |
30.1 y |
Eu-152 |
beta - CE |
beta1max 1.48 gamma1 0.122 gamma2 0.344 gamma3 0.867 gamma4 0.964 gamma5 1.085 gamma6 1.408 |
28.4 26.6 4.2 14.6 9.9 20.8 |
13.6 y |
Am-241 |
alfa |
alfa1 5.49 alfa2 5.44 gamma 0.59 |
85 13 36 |
432.2 y |
Am-Be |
alfa |
gamma 0.59 n 4-5 |
36 |
432.2 y |
