element
Information about Thorium-219:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:219.015521±0.000054amu
    Excess Mass (Δ):14.457952±0.050636MeV
    Binding Energy:1682.749937±0.050636MeV
    β- Decay Energy:-4.060470±0.089285MeV
"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: 1.05 µs ( 1.05×10-06 sec., λ = 660140 s-1)
  • Mode of decay:
    α
    to
    215
    88
    Ra
      (Q = 9.510 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)