Table 6.
Activities of radionuclides produced by the 100Mo(n,2n)99Mo reaction. b and Yγ are the γ-ray emission probability and the γ-ray yield, respectively
| Nuclides | Reaction | T1/2 (h) | Eγ (keV) | εγ (%) | b (%) | Yγ (cps) | EOI activity (Bq) |
|---|---|---|---|---|---|---|---|
| Measurement | |||||||
| 99mTc | 99Mo decay | 6.0 | 140.5 | 0.040 | 89.1 | 633.1 ± 1.4 | — |
| 99Mo | 100Mo(n,2n) | 65.9 | 181.1 | 0.036 | 6.0 | 53.8 ± 0.4 | (3.08 ± 0.11) × 106 |
| 739.5 | 0.012 | 12.1 | 41.5 ± 0.3 | (3.21 ± 0.12) × 106 | |||
| 777.9 | 0.012 | 4.3 | 14.2 ± 0.2 | (3.19 ± 0.13) × 106 | |||
| 97Zr | 100Mo(n,α) | 16.9 | 743.4 | 0.012 | 93.1 | 2.14 ± 0.09 | (31.5 ± 1.6) × 103 |
| 97Nb | 97Zr decay | 1.2 | 658.1 | 0.014 | 98.4 | 2.53 ± 0.10 | — |