71-Lu-158  basic  element

71-lutetium-158 Atomic Mass: 157.9491690 +- 0.0001320 amu # Excess Mass: -47349.000 +- 123.000 keV # Binding Energy: 1267070.000 +- 123.000 keV # Beta Decay Energy: B- -5102.070 +- 72.400 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: 10.6 s Mode of decay: Electron capture to Yb-158 Branch ratio: 99.09 % Decay energy: 8.670 MeV Mode of decay: Alpha to Tm-154 Branch ratio: 0.91 % Decay energy: 4.790 MeV Possible parent nuclides: Alpha from Ta-162 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)