element
Information about Lutetium-158:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:157.949169±0.000132amu #
    Excess Mass (Δ):-47.349000±0.123000MeV #
    Binding Energy:1267.070000±0.123000MeV #
    β- Decay Energy:-5.102070±0.072400MeV
"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: 10.6 s ( 10.6 sec., λ = 0.0653912 s-1)
  • Mode of decay:
    E.C.
    to
    158
    70
    Yb
      (Q = 8.670 MeV)   Branch ratio: 99.09 %
  • Mode of decay:
    α
    to
    154
    69
    Tm
      (Q = 4.790 MeV)   Branch ratio: 0.91 %

  • Possible parent nuclides:
    α from
    162
    73
    Ta
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)