71-Lu-159  basic  element

71-lutetium-159 Atomic Mass: 158.9466151 +- 0.0000533 amu Excess Mass: -49727.694 +- 49.640 keV Binding Energy: 1277520.929 +- 49.641 keV Beta Decay Energy: B- -6882.000 +- 306.000 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: 12.1 s Mode of decay: Electron capture to Yb-159 Decay energy: 5.990 MeV Mode of decay: Alpha to Tm-155 Branch ratio: 0.04 % Decay energy: 4.530 MeV Possible parent nuclides: Alpha from Ta-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)