89-Ac-223  basic  element

89-actinium-223 Atomic Mass: 223.0191260 +- 0.0000080 amu Excess Mass: 17815.779 +- 7.414 keV Binding Energy: 1712459.754 +- 7.420 keV Beta Decay Energy: B- -1554.778 +- 11.596 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. Spin: (5/2-) Half life: 2.10 min Mode of decay: Alpha to Fr-219 Branch ratio: 99.00 % Decay energy: 6.783 MeV Mode of decay: EC to Ra-223 Branch ratio: 1.00 % Decay energy: 0.586 MeV Possible parent nuclides: Alpha from Pa-227 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)