98-Cf-247  basic  element

98-californium-247 Atomic Mass: 247.0709920 +- 0.0000088 amu Excess Mass: 66128.652 +- 8.159 keV Binding Energy: 1850817.448 +- 8.166 keV Beta Decay Energy: B- -2476.000 +- 31.000 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: (7/2+) Half life: 3.11 h Mode of decay: Electron capture to Bk-247 Branch ratio: 99.97 % Decay energy: 0.646 MeV Mode of decay: Alpha to Cm-243 Branch ratio: 0.04 % Decay energy: 6.527 MeV Possible parent nuclides: Electron capture from Es-247 Alpha from Fm-251 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)