Basic Info

Fission Yield


element
Information about Selenium-87:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:86.928521±0.000042amu
    Excess Mass (Δ):-66.582484±0.039234MeV
    Binding Energy:742.187552±0.039234MeV
    β- Decay Energy:7.275000±0.035000MeV
"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: 5.29 s ( 5.29 sec., λ = 0.13103 s-1)
  • Mode of decay:
    β-
    to
    87
    35
    Br
      (Q = 7.280 MeV)
  • Mode of decay: β- +
    1
    0
    n to
    86
    35
    Br
      (Q = 0.990 MeV)   Branch ratio: 0.36 %
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)