53-I-123
 basic
 fission yield
 XS graphs

 element
53-iodine-123

Iodine-123 is widely used to diagnose thyroid disorders.
  • Atomic Mass: 122.9055979 +- 0.0000039 amu
  • Excess Mass: -87934.936 +- 3.627 keV
  • Binding Energy: 1039242.911 +- 3.631 keV
  • Beta Decay Energy: B- -2676.000 +- 15.000 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: 5/2+
  • Half life: 13.27 h
  • Mode of decay: Electron capture to Te-123
    • Decay energy: 1.242 MeV

  • Possible parent nuclides:
    Electron capture from Xe-123
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
013.3 h5/2+ 2.818(7) [131I]NMR/ONNP A323 1 (79)
266029 ns21/2+ +10.9(9) TDPADCf83Gron NP14 (83)
N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published.  2000 Courtesy of T. Burrows at BNL/NNDC.