85-At-195  basic  element

85-astatine-195 Atomic Mass: 194.9965540 +- 0.0004330 amu # Excess Mass: -3210.000 +- 404.000 keV # Binding Energy: 1510618.000 +- 404.000 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: Unknown Mode of decay: Alpha to Bi-191 Branch ratio: >75.00 % Decay energy: 7.400 MeV Mode of decay: EC to Po-195 Branch ratio: <25.00 % Decay energy: 8.000 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)