74-W-166  basic  element

74-tungsten-166 Atomic Mass: 165.9550199 +- 0.0000130 amu Excess Mass: -41898.691 +- 12.114 keV Binding Energy: 1323844.125 +- 12.116 keV Beta Decay Energy: B- -10044.000 +- 142.000 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: 0+ Half life: 18.8 s Mode of decay: Electron capture to Ta-166 Branch ratio: 99.97 % Decay energy: 4.200 MeV Mode of decay: Alpha to Hf-162 Branch ratio: 0.04 % Decay energy: 4.857 MeV Possible parent nuclides: Alpha from Os-170 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)