104-Rf-254  basic  element

104-rutherfordium-254 Atomic Mass: 254.1001660 +- 0.0003070 amu # Excess Mass: 93304.000 +- 286.000 keV # Binding Energy: 1875447.000 +- 286.000 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: 0.5 ms Mode of decay: SF Mode of decay: Alpha to No-250 Branch ratio: ~0.30 % Decay energy: 9.300 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)