Basic Info

Fission Yield


element
Information about Samarium-159:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:158.933200±0.000320amu #
    Excess Mass (Δ):-62.224000±0.298000MeV #
    Binding Energy:1297.058000±0.298000MeV #
    β- Decay Energy:3.834000±0.298000MeV #
"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: 11.37 s ( 11.37 sec., λ = 0.0609628 s-1)
  • Mode of decay:
    β-
    to
    159
    63
    Eu
      (Q = 3.800 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)