81-Tl-180  basic  element

81-thallium-180 Atomic Mass: 179.9901940 +- 0.0004810 amu # Excess Mass: -9135.000 +- 448.000 keV # Binding Energy: 1398602.000 +- 448.000 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. Half life: 1.9 s Mode of decay: ECF Branch ratio: ~0.0001 % Mode of decay: Alpha to Au-176 Decay energy: 6.820 MeV Mode of decay: EC to Hg-180 Decay energy: 11.100 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)