85-At-223  basic  element

85-astatine-223 Atomic Mass: 223.0253400 +- 0.0004300 amu # Excess Mass: 23604.000 +- 401.000 keV # Binding Energy: 1709801.000 +- 401.000 keV # Beta Decay Energy: B- 3307.000 +- 499.000 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: 50 s Mode of decay: Beta to Rn-223 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)