Parent nuclei | Daughter nuclei | Energy (keV) | Photon/disintegration |
226Ra | 214Pb | 295.09 | 0.201 |
351.87 | 0.383 | ||
214Bi | 609.31 | 0.499 | |
1120.27 | 0.162 | ||
1764.5 | 0.16 | ||
232Th | 228Ac | 338.42 | 0.130 |
911.16 | 0.303 | ||
968.97 | 0.183 | ||
212Pb | 238.58 | 0.437 | |
212Bi | 727.25 | 0.081 | |
208Tl | 583.1 | 0.332 | |
860.4 | 0.045 | ||
40K | 40Ar | 1460.8 | 0.105 |
137Cs | 137mBa | 661.66 | 0.85 |