100-Fm-248  basic  element

100-fermium-248 Atomic Mass: 248.0771844 +- 0.0000127 amu Excess Mass: 71896.805 +- 11.791 keV Binding Energy: 1851555.911 +- 11.795 keV Beta Decay Energy: B- -5332.000 +- 238.000 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: 36 s Mode of decay: Alpha to Cf-244 Branch ratio: 99.00 % Decay energy: 8.002 MeV Mode of decay: EC to Es-248 Branch ratio: ~1.00 % Decay energy: 1.600 MeV Mode of decay: SF Branch ratio: ~0.05 % Possible parent nuclides: Alpha from No-252 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)