99-Es-246  basic  element

99-einsteinium-246 Atomic Mass: 246.0729650 +- 0.0002400 amu # Excess Mass: 67966.000 +- 224.000 keV # Binding Energy: 1840126.000 +- 224.000 keV # Beta Decay Energy: B- -2158.000 +- 227.000 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: 7.7 min Mode of decay: EC to Cf-246 Branch ratio: 90.10 % Decay energy: 3.880 MeV Mode of decay: Alpha to Bk-242 Branch ratio: 9.90 % Decay energy: 7.740 MeV Mode of decay: EC to Cf-246 Branch ratio: 0.0030 % Decay energy: 3.880 MeV Possible parent nuclides: Alpha from Md-250 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)