90-Th-210  basic  element

90-thorium-210 Atomic Mass: 210.0150300 +- 0.0001650 amu # Excess Mass: 14001.000 +- 153.000 keV # Binding Energy: 1610565.000 +- 153.000 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. Spin: 0+ Half life: 9 ms Mode of decay: Alpha to Ra-206 Branch ratio: ~100.00 % Decay energy: 8.053 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)