element
|
Information about Uranium-231:
 |  |  | | | Wikipedia | Neutron Cross Sections | X-Ray Transitions | X-Ray Attenuation |
Mass-Energy Data:
| Atomic Mass: | 231.036289 | ± | 0.000004 | amu |
| Excess Mass (Δ): | 33.803128 | ± | 0.004121 | MeV |
| Binding Energy: | 1758.695928 | ± | 0.004132 | MeV |
| β- Decay Energy: | -1.810827 | ± | 0.050653 | MeV |
"The 1995 update to the atomic mass evaluation" by G.Audi and A.H.Wapstra,
Nuclear Physics A595 vol. 4 p.409-480, December 25, 1995.
Radioactive Decay Data:
- Spin: (5/2-)
- Half life: 4.2 days ( 362880 sec., λ = 1.91013×10-06 s-1)
- Mode of decay:
E.C. to
(Q = 0.360 MeV)
Meta state at 0.000 Mev
- Spin: 2+,5/2+)
4.2
- Half life: 4.2 days ( 362880 sec., λ = 1.91013×10-06 s-1)
- Mode of decay:
α to
(Q = 4 5.550 MeV)
Branch ratio: ~0.004 %
- Possible parent nuclides:
- E.C. from
- α from
R.R.Kinsey, et al.,The NUDAT/PCNUDAT Program for Nuclear Data,paper submitted to the 9 th International Symposium of Capture-Gamma_raySpectroscopy and Related Topics, Budapest, Hungary, Octover 1996.Data extracted from NUDAT database (Jan. 14/1999)
|