100-FM-251
| Atomic Mass |
Mass Excess |
| 251.081566828438 amu |
75.979 MeV |
| Level energy (MeV) |
Spin & parity |
Half-life |
Mode of decay |
Branch ratio (%) |
Decay energy (MeV) |
| Ground state |
(9/2-) |
5.30 H 0.08 |
EC |
98.2 |
0 |
| Ground state |
(9/2-) |
5.30 H 0.08 |
A |
1.8 |
7.425 |
Strong Gamma-rays from Decay of FM-251
| Decay mode |
Half-life |
Gamma-ray energy (keV) |
Intensity (%) |
| EC |
5.30 H 0.08 |
8.3 |
98.20+- 0.13 |
| EC |
5.30 H 0.08 |
349.90 |
0.82+- 0.04 |
| EC |
5.30 H 0.08 |
405.60 |
0.99+- 0.05 |
| EC |
5.30 H 0.08 |
453.10 |
1.45+- 0.08 |
| EC |
5.30 H 0.08 |
833.30 |
0.63+- 0.04 |
| EC |
5.30 H 0.08 |
880.80 |
2.19+- 0.11 |