27-Co-57
 basic
 XS graphs

 element
27-cobalt-57

  • Atomic Mass: 56.9362962 +- 0.0000015 amu
  • Excess Mass: -59339.666 +- 1.389 keV
  • Binding Energy: 498281.524 +- 1.390 keV
  • Beta Decay Energy: B- -3264.191 +- 2.620 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: 271.79 d
  • Mode of decay: Electron capture to Fe-57
    • Decay energy: 0.836 MeV

  • Possible parent nuclides:
    Electron capture from Ni-57
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
0271 d7/2- +4.720(10) [60Co]NMR/ONJP C10 3651 (77)/Phca 57 1 (72)
4.719(12) [59Co]NMR/MEZP 270 233 (74)
4.78(6) [60Co]NMR/ONCzJP B36 1331 (86)
+0.52(9) [59Co]NMR/ONPhca 57 1 (72)
137819 ps3/2- +3.0(6) [60Co]IPADZP 233 477 (70)
N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published.  2000 Courtesy of T. Burrows at BNL/NNDC.