element
Information about Californium-243:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:243.065421±0.000152amu #
    Excess Mass (Δ):60.939000±0.142000MeV #
    Binding Energy:1823.722000±0.142000MeV #
    β- Decay Energy:-3.921000±0.321000MeV #
"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: (1/2+)
  • Half life: 10.7 min ( 642 sec., λ = 0.00107967 s-1)
  • Mode of decay:
    E.C.
    to
    243
    97
    Bk
      (Q = 2.220 MeV)   Branch ratio: ~86.00 %
  • Mode of decay:
    α
    to
    239
    96
    Cm
      (Q = 7.390 MeV)   Branch ratio: ~14.00 %

  • Possible parent nuclides:
    E.C. from
    243
    99
    Es
    α from
    247
    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)