element
|
Information about Einsteinium-251:
 |  |  | | | Wikipedia | Neutron Cross Sections | X-Ray Transitions | X-Ray Attenuation |
Mass-Energy Data:
| Atomic Mass: | 251.079984 | ± | 0.000007 | amu |
| Excess Mass (Δ): | 74.504225 | ± | 0.006099 | MeV |
| Binding Energy: | 1873.944813 | ± | 0.006108 | MeV |
| β- Decay Energy: | -1.474438 | ± | 0.006828 | 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: (3/2-)
- Half life: 33 h ( 118800 sec., λ = 5.83457×10-06 s-1)
- Mode of decay:
E.C. to
(Q = 0.376 MeV)
Branch ratio: 99.51 %
- Mode of decay:
α to
(Q = 6.597 MeV)
Branch ratio: 0.49 %
- 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)
|