element
Information about Tantalum-185:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:184.955559±0.000015amu
    Excess Mass (Δ):-41.396439±0.014408MeV
    Binding Energy:1477.479360±0.014410MeV
    β- Decay Energy:1.992000±0.014142MeV
"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: (7/2+)
  • Half life: 49.4 min ( 2964 sec., λ = 0.000233855 s-1)
  • Mode of decay:
    β-
    to
    185
    74
    W
      (Q = 1.992 MeV)

  • Possible parent nuclides:
    β- from
    185
    72
    Hf
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)