element
Information about Gold-201:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:200.971641±0.000005amu
    Excess Mass (Δ):-26.416385±0.004302MeV
    Binding Energy:1586.946350±0.004310MeV
    β- Decay Energy:1.262699±0.003161MeV
"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: 3/2+
  • Half life: 26 min ( 1560 sec., λ = 0.000444325 s-1)
  • Mode of decay:
    β-
    to
    201
    80
    Hg
      (Q = 1.275 MeV)

  • Possible parent nuclides:
    β- from
    201
    78
    Pt
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)