element
Information about Tantalum-165:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:164.950817±0.000239amu #
    Excess Mass (Δ):-45.813000±0.222000MeV #
    Binding Energy:1320.470000±0.222000MeV #
    β- Decay Energy:-7.004000±0.239000MeV #
"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: 31.0 s ( 31 sec., λ = 0.0223596 s-1)
  • Mode of decay:
    E.C.
    to
    165
    72
    Hf
      (Q = 5.800 MeV)

  • Possible parent nuclides:
    E.C. from
    165
    74
    W
    α from
    169
    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)