106-Sg-261  basic  element

106-seaborgium-261 Atomic Mass: 261.1161990 +- 0.0002950 amu # Excess Mass: 108238.000 +- 275.000 keV # Binding Energy: 1915447.000 +- 275.000 keV # Beta Decay Energy: B- -5218.000 +- 364.000 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: 0.23 s Mode of decay: Alpha to Rf-257 Branch ratio: >90.00 % Decay energy: 9.810 MeV Mode of decay: SF Branch ratio: <10.00 % 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)