34-Se-67  basic  element

34-selenium-67 Atomic Mass: 66.9500900 +- 0.0002100 amu # Excess Mass: -46491.000 +- 196.000 keV # Binding Energy: 560669.000 +- 196.000 keV # Beta Decay Energy: B- -13693.000 +- 540.000 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: 60 ms Mode of decay: Electron capture to As-67 Decay energy: 10.150 MeV Mode of decay: EC + Proton to Ge-66 Branch ratio: 0.50 % Decay energy: 7.840 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)