element
Information about Californium-248:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:248.072178±0.000006amu
    Excess Mass (Δ):67.233439±0.005442MeV
    Binding Energy:1857.783984±0.005453MeV
    β- Decay Energy:-3.055000±0.053000MeV #
"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: 333.5 days ( 2.88144×10+07 sec., λ = 2.40556×10-08 s-1)
  • Mode of decay:
    α
    to
    244
    96
    Cm
      (Q = 6.361 MeV)
  • Mode of decay: SF   Branch ratio: 0.0029 %

  • Possible parent nuclides:
    β- from
    248
    97
    Bk
    α from
    252
    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)