104-Rf-261
 basic

 element
104-rutherfordium-261

  • Atomic Mass: 261.1087520 +- 0.0001140 amu #
  • Excess Mass: 101302.000 +- 107.000 keV #
  • Binding Energy: 1923949.000 +- 107.000 keV #
  • Beta Decay Energy: B- -3125.000 +- 255.000 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: 65 s
  • Mode of decay: Alpha to No-257
    • Branch ratio: >80.00 %
    • Decay energy: 8.810 MeV
  • Mode of decay: EC to Lr-261
    • Branch ratio: <=10.00 %
    • Decay energy: 1.800 MeV
  • Mode of decay: SF
    • Branch ratio: <10.00 %
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)