element
Information about Actinium-214:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:214.006893±0.000058amu
    Excess Mass (Δ):6.420855±0.054490MeV
    Binding Energy:1651.212774±0.054491MeV
    β- Decay Energy:-4.246000±0.108000MeV #
"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: 8.2 s ( 8.2 sec., λ = 0.0845301 s-1)
  • Mode of decay:
    α
    to
    210
    87
    Fr
      (Q = 7.350 MeV)   Branch ratio: >=89.00 %
  • Mode of decay:
    E.C.
    to
    214
    88
    Ra
      (Q = 6.340 MeV)   Branch ratio: <=11.00 %

  • Possible parent nuclides:
    α from
    218
    91
    Pa
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)