element
Information about Curium-238:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:238.053016±0.000039amu
    Excess Mass (Δ):49.384356±0.036662MeV
    Binding Energy:1796.484545±0.036663MeV
    β- Decay Energy:-4.890000±0.290000MeV #
"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: 2.4 h ( 8640 sec., λ = 8.02254×10-05 s-1)
  • Mode of decay:
    E.C.
    to
    238
    95
    Am
      (Q = 0.970 MeV)   Branch ratio: >=90.00 %
  • Mode of decay:
    α
    to
    234
    94
    Pu
      (Q = 6.620 MeV)   Branch ratio: <=10.00 %

  • Possible parent nuclides:
    α from
    242
    98
    Cf
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)