element
Information about Lanthanum-126:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:125.919370±0.000320amu #
    Excess Mass (Δ):-75.106000±0.298000MeV #
    Binding Energy:1047.499000±0.298000MeV #
    β- Decay Energy:-4.406000±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:

  • Half life: 54 s ( 54 sec., λ = 0.0128361 s-1)
  • Mode of decay:
    E.C.
    to
    126
    56
    Ba
      (Q = 7.600 MeV)   Branch ratio: >0.00 %

  • Possible parent nuclides:
    E.C. from
    126
    58
    Ce
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)