| Isotope | Gamma Ray Emissions | |
| Energy, Eγ [MeV] | Intensity, Iγ [%] | |
| Ba-133 | 0.0810 | 35.6 |
| Eu-152 | 0.1218 | 28.5 |
| Eu-152 | 0.2447 | 7.5 |
| Ba-133 | 0.2764 | 7.2 |
| Ba-133 | 0.3029 | 18.3 |
| Eu-152 | 0.3443 | 26.5 |
| Ba-133 | 0.3567 | 62.0 |
| Ba-133 | 0.3839 | 8.9 |
| Eu-152 | 0.4114 | 2.2 |
| Eu-152 | 0.4440 | 3.0 |
| Eu-152 | 0.7789 | 12.9 |
| Eu-152 | 0.8674 | 4.2 |
| Eu-152 | 0.9641 | 14.5 |
| Eu-152 | 1.086 | 10.1 |
| Eu-152 | 1.112 | 13.7 |
| Eu-152 | 1.408 | 20.9 |