27-Co-55
 basic
 XS graphs
 element
27-cobalt-55
  • Atomic Mass: 54.9420031 +- 0.0000015 amu
  • Excess Mass: -54023.711 +- 1.365 keV
  • Binding Energy: 476822.923 +- 1.367 keV
  • Beta Decay Energy: B- -8693.800 +- 11.019 keV
"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.
  • Spin: 7/2-
  • Half life: 17.53 h
  • Mode of decay: Electron capture to Fe-55
    • Decay energy: 3.451 MeV

  • Possible parent nuclides:
    Electron capture from Ni-55
    EC + P from Cu-56
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
017.5 h7/2- +4.822(3) NMR/ONNP A201 561 (73)/HFI 2 45 (76)
N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published.  2000 Courtesy of T. Burrows at BNL/NNDC.