105-Db-260  basic  element

105-dubnium-260 Atomic Mass: 260.1114270 +- 0.0002480 amu # Excess Mass: 103794.000 +- 231.000 keV # Binding Energy: 1912603.000 +- 231.000 keV # Beta Decay Energy: B- -2802.000 +- 235.000 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. Half life: 1.52 s Mode of decay: Alpha to Lr-256 Branch ratio: >=90.00 % Decay energy: 9.370 MeV Mode of decay: SF Branch ratio: <=10.00 % Mode of decay: EC to Rf-260 Decay energy: 4.600 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)