Basic Info

n-XS summary


element
Information about Thorium-227:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:227.027699±0.000003amu
    Excess Mass (Δ):25.801317±0.002825MeV
    Binding Energy:1735.977154±0.002841MeV
    β- Decay Energy:-1.019327±0.007532MeV
"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: (1/2+)
  • Half life: 18.72 days ( 1.61741×10+06 sec., λ = 4.28554×10-07 s-1)
  • Mode of decay:
    α
    to
    223
    88
    Ra
      (Q = 6.146 MeV)

  • Possible parent nuclides:
    β- from
    227
    89
    Ac
    α from
    231
    92
    U
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)