86-Rn-200  basic  element

86-radon-200 Atomic Mass: 199.9956770 +- 0.0001940 amu # Excess Mass: -4027.000 +- 180.000 keV # Binding Energy: 1551009.000 +- 180.000 keV # Beta Decay Energy: B- -10080.000 +- 296.000 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: 0.96 s Mode of decay: Alpha to Po-196 Branch ratio: ~98.00 % Decay energy: 7.043 MeV Mode of decay: EC to At-200 Branch ratio: ~2.00 % Decay energy: 5.000 MeV Possible parent nuclides: Alpha from Ra-204 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)