99-Es-242  basic  element

99-einsteinium-242 Atomic Mass: 242.0696990 +- 0.0003490 amu # Excess Mass: 64924.000 +- 325.000 keV # Binding Energy: 1810883.000 +- 325.000 keV # Beta Decay Energy: B- -3476.000 +- 516.000 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: 23.9 s Mode of decay: EC to Cf-242 Branch ratio: 0.60 % Decay energy: 5.600 MeV Mode of decay: Alpha to Bk-238 Decay energy: 8.220 MeV Mode of decay: EC to Cf-242 Decay energy: 5.600 MeV Mode of decay: ECF 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)