|
Nuclide |
Half-life |
Decay Mode |
Gamma Energy |
# of Photons/100 Disintegrations |
| C-11 | 20.4 min | b+ emitter | 511 keV | 200 % |
| C-14 | 5730 yr | b- emitter | --- | --- |
| Co-57 | 270.9 d | EC | 122 keV | 200 % |
| Cr-51 | 28 d | EC | 320 keV | 9 |
| Cs-137 | 30 yr | b- | 662 keV | 85 |
| F-18 | 1.83 hr | b+ | 511 keV | 200 |
| Fe-52 | 8.3 hr | b+ (56%) EC (44%) |
165 keV 511 keV |
100 112 |
| Fe-59 | 45 d | b- | 1,099 1,292 |
56 43 |
| Ga-67 | 79.2 h | EC | 94 keV 184 keV 296 keV |
40 24 22 |
| Ge-68 | 68 min | b+ | 511 keV | 178 |
| H-3 | 12.3 yr | b- | --- | --- |
| I-123 | 13.3 h | b+ | 159 keV | 83 |
| I-125 | 60 d | EC | 35 keV 27-32 (X-rays) |
7 140 |
| I-131 | 8.08 d | b- | 364.5 keV | 82 |
| In-111 | 67 h | EC | 173 keV 247 keV |
89 94 |
| In-113m | 1.67 h | IT | 393 keV | 64 |
| Kr-81m | 13 s | IT | 191 keV | 67 |
| Mo-99 | 67 hr | b- | 181 keV 740 keV 780 keV |
6 12 4 |
| O-15 | 2.05 min | b+ | 511 keV | 190 |
| P-32 | 14.3 d | b- | --- | --- |
| Rb-82 | 75 sec | b+ | 511 keV | 190 |
| Re-186 | 3.8 d | b-(92%) EC (8%) |
137 keV | 9 |
| Sm-153 | 1.9 d | b- | 70 keV 103 keV |
5 28 |
| Sr-89 | 52 d | b- | --- | --- |
| Tc-99m | 6.02 h | IT | 140.5 keV | 90 |
| Tl-201 | 73 h | EC |
135 keV 167 keV |
2 8 71 Hg X-rays |
| Xe-127 | 36.4 d | EC | 172 keV 203 keV 375 keV |
24 68 16 |
| Xe-133 | 5.3 d | b- | 81 keV | 37 |
