81-Tl-184  basic  element

81-thallium-184 Atomic Mass: 183.9817600 +- 0.0003200 amu # Excess Mass: -16990.000 +- 298.000 keV # Binding Energy: 1438743.000 +- 298.000 keV # Beta Decay Energy: B- -5997.000 +- 357.000 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: (2+) Half life: 11 s Mode of decay: Electron capture to Hg-184 Branch ratio: 97.90 % Decay energy: 9.200 MeV Mode of decay: Alpha to Au-180 Branch ratio: 2.10 % Decay energy: 6.300 MeV Possible parent nuclides: Alpha from Bi-188 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)