element
Information about Cobalt-60:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:59.933822±0.000002amu
    Excess Mass (Δ):-61.644218±0.001422MeV
    Binding Energy:524.800045±0.001424MeV
    β- Decay Energy:2.823882±0.000481MeV
"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+
  • Half life: 1925.1 days ( 1.66329×10+08 sec., λ = 4.16734×10-09 s-1)
  • Mode of decay:
    β-
    to
    60
    28
    Ni
      (Q = 2.824 MeV)
    Meta state at 0.059 Mev
  • Spin: 2+ 1925.1
  • Half life: 10.467 min ( 628.02 sec., λ = 0.0011037 s-1)
  • Mode of decay: γ (IT)  (Q = 0.059 MeV)   Branch ratio: 99.76 %
  • Mode of decay:
    β-
    to
    60
    28
    Ni
      (Q = 2.883 MeV)   Branch ratio: 0.24 %

  • Possible parent nuclides:
    β- from
    60
    26
    Fe
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)
Magnetic Dipole Moments and Electric Quadrupole Moments
Ex(kev)T1/2Spin    m(nm)    Q(b)    Ref. Std.MethodReference
05.271 y5+ +3.799(8) [59Co]NMR/ONPhca 57 1 (72)
+0.44(5) [59Co]NMR/ONPhca 57 1 (72)
5910.5 m2+ +4.40(9) ABCf69Mntr 91 (69)
+0.3(4) ABCf69Mntr 91 (69)
N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published.  2000 Courtesy of T. Burrows at BNL/NNDC.