79-Au-204  basic  element

79-gold-204 Atomic Mass: 203.9777050 +- 0.0002150 amu # Excess Mass: -20767.000 +- 200.000 keV # Binding Energy: 1605511.000 +- 200.000 keV # Beta Decay Energy: B- 3940.000 +- 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: (2-) Half life: 39.8 s Mode of decay: Beta to Hg-204 Decay energy: 3.800 MeV 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)