element
Information about Tungsten-159:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:158.972280±0.000642amu #
    Excess Mass (Δ):-25.821000±0.598000MeV #
    Binding Energy:1251.267000±0.598000MeV #
"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: 7.3 ms ( 0.0073 sec., λ = 94.9517 s-1)
  • Mode of decay:
    α
    to
    155
    72
    Hf
      (Q = 6.440 MeV)   Branch ratio: ~99.50 %
  • Mode of decay: E.C. to
    159
    73
    Ta
      (Q = 8.700 MeV)   Branch ratio: ~0.50 %

  • Possible parent nuclides:
    1
    1
    p+ emission from
    160
    75
    Re
    α from
    163
    76
    Os
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)