element
Information about Protactinium-225:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:225.026115±0.000076amu
    Excess Mass (Δ):24.326123±0.071062MeV
    Binding Energy:1720.527350±0.071062MeV
    β- Decay Energy:-3.045237±0.087417MeV
"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: 1.7 s ( 1.7 sec., λ = 0.407734 s-1)
  • Mode of decay:
    α
    to
    221
    89
    Ac
      (Q = 7.390 MeV)

  • Possible parent nuclides:
    α from
    229
    93
    Np
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)