97-Bk-243  basic  element

97-berkelium-243 Atomic Mass: 243.0630016 +- 0.0000053 amu Excess Mass: 58685.576 +- 4.939 keV Binding Energy: 1826757.586 +- 4.950 keV Beta Decay Energy: B- -2254.000 +- 142.000 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: (3/2-) Half life: 4.5 h Mode of decay: Electron capture to Cm-243 Branch ratio: ~99.85 % Decay energy: 1.508 MeV Mode of decay: Alpha to Am-239 Branch ratio: ~0.15 % Decay energy: 6.874 MeV Possible parent nuclides: Electron capture from Cf-243 Alpha from Es-247 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)