element
Information about Hafnium-155:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:154.962760±0.000640amu #
    Excess Mass (Δ):-34.689000±0.596000MeV #
    Binding Energy:1229.414000±0.596000MeV #
"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: 0.89 s ( 0.89 sec., λ = 0.778817 s-1)
  • Mode of decay: E.C. to
    155
    71
    Lu
      (Q = 8.000 MeV)
  • Mode of decay: α to
    151
    70
    Yb
      (Q = 4.600 MeV)

  • Possible parent nuclides:
    1
    1
    p+ emission from
    156
    73
    Ta
    α from
    159
    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)