89-Ac-214  basic  element

89-actinium-214 Atomic Mass: 214.0068931 +- 0.0000585 amu Excess Mass: 6420.855 +- 54.490 keV Binding Energy: 1651212.774 +- 54.491 keV Beta Decay Energy: B- -4246.000 +- 108.000 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: 8.2 s Mode of decay: Alpha to Fr-210 Branch ratio: >=89.00 % Decay energy: 7.350 MeV Mode of decay: Electron capture to Ra-214 Branch ratio: <=11.00 % Decay energy: 6.340 MeV Possible parent nuclides: Alpha from Pa-218 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)