104-Rf-263  basic  element

104-rutherfordium-263 Atomic Mass: 263.1125400 +- 0.0001980 amu # Excess Mass: 104830.000 +- 185.000 keV # Binding Energy: 1936563.000 +- 185.000 keV # Beta Decay Energy: B- -2364.000 +- 250.000 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: (3/2+) Half life: 10 min Mode of decay: Alpha to No-259 Branch ratio: 30.00 % Decay energy: 8.300 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)