element
Information about Argon-31:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:31.012126±0.000221amu #
    Excess Mass (Δ):11.296000±0.206000MeV #
    Binding Energy:224.833000±0.206000MeV #
"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: 2+,3/2+)
  • Half life: 15 ms ( 0.015 sec., λ = 46.2098 s-1)
  • Mode of decay: E.C. to
    31
    17
    Cl
      (Q = 18.360 MeV)
  • Mode of decay: E.C. +
    1
    1
    p+ to
    30
    16
    S
      (Q = 18.070 MeV)   Branch ratio: 55.00 %
  • Mode of decay: E.C. to
    31
    17
    Cl
      (Q = 18.360 MeV)   Branch ratio: 2.48 %
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)