element
Information about Tantalum-161:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:160.958373±0.000059amu
    Excess Mass (Δ):-38.775302±0.054581MeV
    Binding Energy:1281.146476±0.054581MeV
    β- Decay Energy:-8.119000±0.311000MeV #
"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: 2.89 s ( 2.89 sec., λ = 0.239843 s-1)
  • Mode of decay: E.C. to
    161
    72
    Hf
      (Q = 7.490 MeV)   Branch ratio: ~95.00 %
  • Mode of decay:
    α
    to
    157
    71
    Lu
      (Q = 5.280 MeV)   Branch ratio: ~5.00 %

  • Possible parent nuclides:
    α from
    165
    75
    Re
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)