99-Es-256
basic
element
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99-einsteinium-256
- Atomic Mass: 256.0935920 +- 0.0001080 amu #
- Excess Mass: 87180.000 +- 100.000 keV #
- Binding Energy: 1901626.000 +- 100.000 keV #
- Beta Decay Energy: B- 1700.000 +- 100.000 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: (1+)
- Half life: 25.4 min
- Mode of decay: Beta to Fm-256
Meta state at 0.000 Mev
- Spin: (8+)
- Half life: ~7.6 h
- Mode of decay: Beta to Fm-256
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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