element
Information about Lanthanum-125:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:124.920670±0.000320amu #
    Excess Mass (Δ):-73.895000±0.298000MeV #
    Binding Energy:1038.217000±0.298000MeV #
    β- Decay Energy:-7.331000±0.499000MeV #
"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: 11/2-)
  • Half life: 76 s ( 76 sec., λ = 0.00912036 s-1)
  • Mode of decay:
    E.C.
    to
    125
    56
    Ba
      (Q = 5.600 MeV)

  • Possible parent nuclides:
    E.C. from
    125
    58
    Ce
    E.C. +
    1
    1
    p+ from
    126
    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)