100-Fm-257  basic  XS graphs  element

100-fermium-257 Atomic Mass: 257.0950986 +- 0.0000068 amu Excess Mass: 88583.794 +- 6.368 keV Binding Energy: 1907510.827 +- 6.377 keV Beta Decay Energy: B- -406.139 +- 6.642 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: (9/2+) Half life: 100.5 d Mode of decay: Alpha to Cf-253 Branch ratio: 99.79 % Decay energy: 6.864 MeV Mode of decay: SF Branch ratio: 0.21 % Possible parent nuclides: Electron capture from Md-257 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)