105-Db-261  basic  element

105-dubnium-261 Atomic Mass: 261.1121060 +- 0.0002480 amu # Excess Mass: 104426.000 +- 231.000 keV # Binding Energy: 1920042.000 +- 231.000 keV # Beta Decay Energy: B- -3812.000 +- 359.000 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: 1.8 s Mode of decay: Alpha to Lr-257 Branch ratio: >50.00 % Decay energy: 9.270 MeV Mode of decay: SF Branch ratio: <50.00 % 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)