73-Ta-172  basic  element

73-tantalum-172 Atomic Mass: 171.9447398 +- 0.0002006 amu Excess Mass: -51474.520 +- 186.845 keV Binding Energy: 1382630.245 +- 186.845 keV Beta Decay Energy: B- -2500.000 +- 200.000 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: (3+) Half life: 36.8 min Mode of decay: Electron capture to Hf-172 Decay energy: 4.920 MeV Possible parent nuclides: Electron capture from W-172 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)