105-Db-255  basic  element

105-dubnium-255 Atomic Mass: 255.1073980 +- 0.0004540 amu # Excess Mass: 100041.000 +- 423.000 keV # Binding Energy: 1876000.000 +- 423.000 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: 1.6 s Mode of decay: Alpha to Lr-251 Branch ratio: ~80.00 % Decay energy: 9.600 MeV Mode of decay: SF Branch ratio: ~20.00 % 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)