Basic Info

Fission Yield


element
Information about Rubidium-99:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:98.945421±0.000163amu
    Excess Mass (Δ):-50.840361±0.152281MeV
    Binding Energy:820.954244±0.152281MeV
    β- Decay Energy:11.276271±0.110396MeV
"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: 50.3 ms ( 0.0503 sec., λ = 13.7803 s-1)
  • Mode of decay:
    β-
    to
    99
    38
    Sr
      (Q = 11.280 MeV)
  • Mode of decay: β- +
    1
    0
    n to
    98
    38
    Sr
      (Q = 7.720 MeV)   Branch ratio: 15.90 %
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)