89-Ac-212  basic  element

89-actinium-212 Atomic Mass: 212.0078114 +- 0.0000997 amu Excess Mass: 7276.309 +- 92.828 keV Binding Energy: 1634214.673 +- 92.829 keV Beta Decay Energy: B- -4755.000 +- 168.000 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: 0.93 s Mode of decay: Alpha to Fr-208 Branch ratio: ~97.00 % Decay energy: 7.520 MeV Mode of decay: EC to Ra-212 Branch ratio: ~3.00 % Decay energy: 7.480 MeV Possible parent nuclides: Alpha from Pa-216 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)