84-Po-190  basic  element

84-polonium-190 Atomic Mass: 189.9951100 +- 0.0005050 amu # Excess Mass: -4555.000 +- 470.000 keV # Binding Energy: 1472389.000 +- 470.000 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: 2.0 ms Mode of decay: Alpha to Pb-186 Decay energy: 7.643 MeV Mode of decay: EC to Bi-190 Branch ratio: 0.10 % Decay energy: 6.100 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)