element
Information about Hafnium-158:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:157.954647±0.000109amu #
    Excess Mass (Δ):-42.246000±0.101000MeV #
    Binding Energy:1261.186000±0.101000MeV #
    β- Decay Energy:-10.919000±0.516000MeV #
"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: 0+
  • Half life: 2.86 s ( 2.86 sec., λ = 0.242359 s-1)
  • Mode of decay: E.C. to
    158
    71
    Lu
      (Q = 5.100 MeV)   Branch ratio: 56.00 %
  • Mode of decay:
    α
    to
    154
    70
    Yb
      (Q = 5.403 MeV)   Branch ratio: 44.00 %

  • Possible parent nuclides:
    α from
    162
    74
    W
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)