element
Information about Actinium-234:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:234.048420±0.000430amu #
    Excess Mass (Δ):45.103000±0.401000MeV #
    Binding Energy:1773.957000±0.401000MeV #
    β- Decay Energy:4.494000±0.401000MeV #
"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: 44 s ( 44 sec., λ = 0.0157533 s-1)
  • Mode of decay:
    β-
    to
    234
    90
    Th
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)