101-Md-257
basic
element
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101-mendelevium-257
- Atomic Mass: 257.0955346 +- 0.0000035 amu
- Excess Mass: 88989.933 +- 3.298 keV
- Binding Energy: 1906322.335 +- 3.316 keV
- Beta Decay Energy: B- -1227.835 +- 30.793 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: (7/2-)
- Half life: 5.3 h
- Mode of decay: Electron capture to Fm-257
- Branch ratio: 90.00 %
- Decay energy: 0.406 MeV
- Mode of decay: Alpha to Es-253
- Branch ratio: 10.00 %
- Decay energy: 7.558 MeV
- Mode of decay: SF
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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