element
Information about Tungsten-161:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:160.967089±0.000329amu #
    Excess Mass (Δ):-30.656000±0.306000MeV #
    Binding Energy:1272.245000±0.306000MeV #
    β- Decay Energy:-9.847000±0.674000MeV #
"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: 410 ms ( 0.41 sec., λ = 1.6906 s-1)
  • Mode of decay:
    α
    to
    157
    72
    Hf
      (Q = 5.920 MeV)   Branch ratio: ~82.00 %
  • Mode of decay: E.C. to
    161
    73
    Ta
      (Q = 8.100 MeV)   Branch ratio: ~18.00 %

  • Possible parent nuclides:
    α from
    165
    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)