element
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Information about Nobelium-255:
 |  |  | | | Wikipedia | Neutron Cross Sections | X-Ray Transitions | X-Ray Attenuation |
Mass-Energy Data:
| Atomic Mass: | 255.093232 | ± | 0.000013 | amu |
| Excess Mass (Δ): | 86.845454 | ± | 0.011836 | MeV |
| Binding Energy: | 1891.541815 | ± | 0.011841 | MeV |
| β- Decay Energy: | -3.295000 | ± | 0.207000 | 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: (1/2+)
- Half life: 3.1 min ( 186 sec., λ = 0.0037266 s-1)
- Mode of decay:
α to
(Q = 8.445 MeV)
Branch ratio: 61.40 %
- Mode of decay:
E.C. to
(Q = 2.012 MeV)
Branch ratio: 38.60 %
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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