element
Information about Gadolinium-137:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:136.944650±0.000640amu #
    Excess Mass (Δ):-51.558000±0.596000MeV #
    Binding Energy:1107.259000±0.596000MeV #
"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: 7 s ( 7 sec., λ = 0.099021 s-1)
  • Mode of decay: E.C. to
    137
    63
    Eu
      (Q = 8.800 MeV)
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)