element
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Information about Fermium-254:
 |  |  | | | Wikipedia | Neutron Cross Sections | X-Ray Transitions | X-Ray Attenuation |
Mass-Energy Data:
| Atomic Mass: | 254.086848 | ± | 0.000003 | amu |
| Excess Mass (Δ): | 80.898188 | ± | 0.003001 | MeV |
| Binding Energy: | 1890.982465 | ± | 0.003021 | MeV |
| β- Decay Energy: | -2.680000 | ± | 0.100000 | 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: 0+
- Half life: 3.240 h ( 11664 sec., λ = 5.94262×10-05 s-1)
- Mode of decay:
α to
(Q = 7.307 MeV)
Branch ratio: 99.94 %
- Mode of decay: SF
Branch ratio: 0.06 %
- Possible parent nuclides:
- β- 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)
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