element
Information about Americium-234:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:234.047794±0.000223amu #
    Excess Mass (Δ):44.520000±0.207000MeV #
    Binding Energy:1769.846000±0.207000MeV #
    β- Decay Energy:-2.279000±0.363000MeV #
"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: 2.32 min ( 139.2 sec., λ = 0.00497951 s-1)
  • Mode of decay:
    E.C.
    to
    234
    94
    Pu
      (Q = 4.170 MeV)   Branch ratio: 99.96 %
  • Mode of decay:
    α
    to
    230
    93
    Np
      (Q = 6.870 MeV)   Branch ratio: 0.04 %
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)