element
Information about Zirconium-81:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:80.936815±0.000318amu
    Excess Mass (Δ):-58.856164±0.296624MeV
    Binding Energy:681.339175±0.296624MeV
    β- Decay Energy:-11.397000±0.498000MeV #
"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: 15 s ( 15 sec., λ = 0.0462098 s-1)
  • Mode of decay: E.C. to
    81
    39
    Y
      (Q = 7.200 MeV)
  • Mode of decay: E.C. +
    1
    1
    p+ to
    80
    38
    Sr
      (Q = 4.200 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)