102-No-254
basic
element
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102-nobelium-254
- Atomic Mass: 254.0909487 +- 0.0000190 amu
- Excess Mass: 84718.198 +- 17.660 keV
- Binding Energy: 1885597.748 +- 17.663 keV
- Beta Decay Energy: B- -5252.000 +- 337.000 keV #
"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.
- Spin: 0+
- Half life: 55 s
- Mode of decay: Alpha to Fm-250
- Branch ratio: 90.00 %
- Decay energy: 8.226 MeV
- Mode of decay: EC to Md-254
- Branch ratio: 10.00 %
- Decay energy: 1.140 MeV
- Mode of decay: SF
Meta state at 0.500 Mev
- Half life: 0.28 s
- Mode of decay: IT to No-254
- Branch ratio: >80.00 %
- Decay energy: 0.500 MeV
- Mode of decay: SF
- Branch ratio: >=0.20 %
- Decay energy: 0.500 MeV
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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