26-Fe-57
 basic
 n-XS summary
 XS graphs

 element
26-iron-57

  • Atomic Mass: 56.9353987 +- 0.0000015 amu
  • Excess Mass: -60175.708 +- 1.357 keV
  • Binding Energy: 499899.919 +- 1.359 keV
  • Beta Decay Energy: B- -836.042 +- 0.424 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.
  • Atomic Percent Abundance: 2.119%
  • Spin: 1/2-
  • Stable Isotope

  • Possible parent nuclides:
    Beta from Mn-57
    Electron capture from Co-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
0stable1/2- +0.09044(7) ENDORPR 139 A991 (65)
+0.09062300(9) [2H]NZNat 29a 1763 (74)
+0.0907638(1) [2H]NZNat 29a 1763 (74)
1498 ns3/2- -0.1549(2) [57Fe]MEPR 140 A875 (65)/PR 128 2207 (62)
0.14(2) RBRASP 56 (7) 201 (92)
+0.082(8) st "ME, R"PRL 46 1611 (81)
+0.209(5) "ME, R"JPCR 1093 (76)
1368.80 ns5/2- +0.935(10) TDPADPS 20 163 (79)
3676.9 ps3/2- <0.6 IMPACNP A137 658 (69)
N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published.  2000 Courtesy of T. Burrows at BNL/NNDC.