Atomic Mass | Mass Excess |
273.149222668802 amu | 139.0 MeV |
Level energy (MeV) | Spin & parity | Half-life | Mode of decay | Branch ratio (%) | Decay energy (MeV) |
Ground state | (3/2+) | ~0.18 MS | A | 100 | 11.52 |
.2 | (13/2-) | ~120 MS | A | 100 | 11.72 |
There is no gamma-rays or the intensities are so weak!