77-Ir-197  basic  element

77-iridium-197 Atomic Mass: 196.9696365 +- 0.0000219 amu Excess Mass: -28283.417 +- 20.435 keV Binding Energy: 1558092.798 +- 20.436 keV Beta Decay Energy: B- 2154.634 +- 20.224 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: 3/2+ Half life: 5.8 min Mode of decay: Beta to Pt-197 Decay energy: 2.155 MeV Meta state at 0.115 Mev Spin: 11/2- Half life: 8.9 min Mode of decay: Beta to Pt-197 Branch ratio: 99.75 % Decay energy: 2.270 MeV Mode of decay: IT to Ir-197 Branch ratio: 0.25 % Decay energy: 0.115 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)