element
Information about Tantalum-169:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:168.945920±0.000220amu #
    Excess Mass (Δ):-50.375000±0.205000MeV #
    Binding Energy:1357.317000±0.205000MeV #
    β- Decay Energy:-5.439000±0.376000MeV #
"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: (5/2-)
  • Half life: 4.9 min ( 294 sec., λ = 0.00235764 s-1)
  • Mode of decay:
    E.C.
    to
    169
    72
    Hf
      (Q = 4.440 MeV)
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)