26-Fe-55
 basic
 XS graphs

 element
26-iron-55

Iron-55 is used to analyze electroplating solutions.
  • Atomic Mass: 54.9382980 +- 0.0000014 amu
  • Excess Mass: -57475.007 +- 1.347 keV
  • Binding Energy: 481056.573 +- 1.349 keV
  • Beta Decay Energy: B- -3451.296 +- 0.428 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: 3/2-
  • Half life: 2.73 years
  • Mode of decay: Electron capture to Mn-55
    • Decay energy: 0.231 MeV

  • Possible parent nuclides:
    Electron capture from Co-55
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
9318.3 ps5/2- +2.7(12) TDPADCJP 51 707 (73)
13172.1 ps7/2- +2(2) IPADCJP 51 707 (73)
140838.3 ps7/2- -2.4(5) TDPADCJP 51 707 (73)
N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published.  2000 Courtesy of T. Burrows at BNL/NNDC.