element
Information about Tantalum-158:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:157.966368±0.000543amu #
    Excess Mass (Δ):-31.328000±0.505000MeV #
    Binding Energy:1249.485000±0.505000MeV #
    β- Decay Energy:-7.052000±0.863000MeV #
"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: 36.8 ms ( 0.0368 sec., λ = 18.8355 s-1)
  • Mode of decay:
    α
    to
    154
    71
    Lu
      (Q = 6.210 MeV)   Branch ratio: 93.00 %
  • Mode of decay: E.C. to
    158
    72
    Hf
      (Q = 10.900 MeV)   Branch ratio: 7.00 %
  • Mode of decay:
    α
    to
    154
    71
    Lu

  • Possible parent nuclides:
    α from
    162
    75
    Re
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)