73-Ta-159  basic  element

73-tantalum-159 Atomic Mass: 158.9629140 +- 0.0001330 amu # Excess Mass: -34545.000 +- 124.000 keV # Binding Energy: 1260774.000 +- 124.000 keV # Beta Decay Energy: B- -8724.000 +- 611.000 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. Half life: 0.57 s Mode of decay: Alpha to Lu-155 Branch ratio: 80.00 % Decay energy: 5.750 MeV Mode of decay: EC to Hf-159 Branch ratio: 20.00 % Decay energy: 8.490 MeV Possible parent nuclides: Alpha from Re-163 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)