element
Information about Cerium-125:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:124.928540±0.000430amu #
    Excess Mass (Δ):-66.565000±0.401000MeV #
    Binding Energy:1030.103000±0.401000MeV #
    β- Decay Energy:-8.654000±0.643000MeV #
"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: (5/2+)
  • Half life: 9.0 s ( 9 sec., λ = 0.0770164 s-1)
  • Mode of decay:
    E.C.
    to
    125
    57
    La
      (Q = 7.300 MeV)
  • Mode of decay: E.C. +
    1
    1
    p+ to
    124
    56
    Ba
      (Q = 5.200 MeV)

  • Possible parent nuclides:
    E.C. from
    125
    59
    Pr
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)