105-Db-263  basic  element

105-dubnium-263 Atomic Mass: 263.1150780 +- 0.0001810 amu # Excess Mass: 107194.000 +- 168.000 keV # Binding Energy: 1933417.000 +- 168.000 keV # Beta Decay Energy: B- -3014.000 +- 209.000 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: 27 s Mode of decay: SF Branch ratio: ~57.00 % Decay energy: 9.030 MeV Mode of decay: Alpha to Lr-259 Branch ratio: ~43.00 % Decay energy: 9.030 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)