71-Lu-155  basic  element

71-lutetium-155 Atomic Mass: 154.9542330 +- 0.0001440 amu # Excess Mass: -42632.000 +- 134.000 keV # Binding Energy: 1238140.000 +- 134.000 keV # Beta Decay Energy: B- -7943.000 +- 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. Spin: 2+,3/2+) Half life: 140 ms Mode of decay: Alpha to Tm-151 Mode of decay: EC to Yb-155 Meta state at 0.021 Mev Spin: 11/2-) Half life: 68 ms Mode of decay: Alpha to Tm-151 Branch ratio: 79.00 % Decay energy: 5.791 MeV Mode of decay: EC to Yb-155 Branch ratio: 21.00 % Decay energy: 7.991 MeV Meta state at 1.798 Mev Spin: 25/2-) Half life: 2.60 ms Mode of decay: Alpha to Tm-151 Branch ratio: ~100.00 % Decay energy: 7.568 MeV Possible parent nuclides: Alpha from Ta-159 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)