98-Cf-256  basic  element

98-californium-256 Atomic Mass: 256.0934400 +- 0.0003200 amu # Excess Mass: 87039.000 +- 298.000 keV # Binding Energy: 1902549.000 +- 298.000 keV # Beta Decay Energy: B- -141.000 +- 314.000 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: 12.3 min Mode of decay: SF Mode of decay: Beta to Es-256 Branch ratio: <1.00 % Mode of decay: Alpha to Cm-252 Branch ratio: ~1.0E-6 % Decay energy: 5.600 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)