83-Bi-191  basic  element

83-bismuth-191 Atomic Mass: 190.9860530 +- 0.0004300 amu # Excess Mass: -12991.000 +- 401.000 keV # Binding Energy: 1489679.000 +- 401.000 keV # Beta Decay Energy: B- -8011.000 +- 500.000 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: (9/2-) Half life: 12 s Mode of decay: Alpha to Tl-187 Branch ratio: 60.00 % Decay energy: 6.781 MeV Mode of decay: EC to Pb-191 Branch ratio: 40.00 % Decay energy: 7.300 MeV Meta state at 0.242 Mev Spin: (1/2+) Half life: 150 ms Mode of decay: Alpha to Tl-187 Branch ratio: 75.00 % Decay energy: 7.023 MeV Mode of decay: EC to Pb-191 Branch ratio: <=25.00 % Decay energy: 7.542 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)