81
33
As


Basic Info

Fission Yield

element 		Information about Arsenic-81:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation
    Mass-Energy Data:

    Atomic Mass:80.922133±0.000006amu
    Excess Mass (Δ):-72.532741±0.005547MeV
    Binding Energy:700.492226±0.005548MeV
    β- Decay Energy:3.856341±0.005307MeV
"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: 3/2-
  • Half life: 33.3 s ( 33.3 sec., λ = 0.0208152 s-1)
  • Mode of decay:
    β-
     to
    81
    34
    Se
       (Q = 3.856 MeV)

  • Possible parent nuclides:
    β- from
    81
    32
    Ge
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)