element
Information about Thorium-235:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:235.047504±0.000054amu
    Excess Mass (Δ):44.250076±0.050039MeV
    Binding Energy:1782.098978±0.050040MeV
    β- Decay Energy:1.926014±0.070721MeV
"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: 7.1 min ( 426 sec., λ = 0.00162711 s-1)
  • Mode of decay:
    β-
    to
    235
    91
    Pa
      (Q = 1.930 MeV)
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)