element
Information about Californium-242:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:242.063689±0.000040amu
    Excess Mass (Δ):59.325645±0.036887MeV
    Binding Energy:1817.263841±0.036888MeV
    β- Decay Energy:-5.598000±0.327000MeV #
"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.
Radioactive Decay Data:

  • Spin: 0+
  • Half life: 3.7 min ( 222 sec., λ = 0.00312228 s-1)
  • Mode of decay:
    α
    to
    238
    96
    Cm
      (Q = 7.516 MeV)   Branch ratio: >0.00 %

  • Possible parent nuclides:
    α from
    246
    100
    Fm
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)