Basic Info
n-XS summary
element
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Information about Fermium-255:
 |  |  | | | Wikipedia | Neutron Cross Sections | X-Ray Transitions | X-Ray Attenuation |
Mass-Energy Data:
| Atomic Mass: | 255.089955 | ± | 0.000005 | amu |
| Excess Mass (Δ): | 83.792964 | ± | 0.004885 | MeV |
| Binding Energy: | 1896.159012 | ± | 0.004897 | MeV |
| β- Decay Energy: | -1.043022 | ± | 0.008137 | 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: 7/2+
- Half life: 20.07 h ( 72252 sec., λ = 9.59347×10-06 s-1)
- Mode of decay:
α to
(Q = 7.241 MeV)
- Mode of decay: SF
(Q = 4 0.000 MeV)
Branch ratio: 0.000024 %
- Possible parent nuclides:
- β- from
- 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)
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