54-Xe-125
 basic
 fission yield
 XS graphs

 element
54-xenon-125

  • Atomic Mass: 124.9063982 +- 0.0000021 amu
  • Excess Mass: -87189.468 +- 1.992 keV
  • Binding Energy: 1053857.735 +- 1.999 keV
  • Beta Decay Energy: B- -3098.740 +- 7.935 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: (1/2)+
  • Half life: 16.9 h
  • Mode of decay: Electron capture to I-125
    • Decay energy: 1.652 MeV

    Meta state at 0.253 Mev
  • Spin: (9/2)-
  • Half life: 57 s
  • Mode of decay: IT
    • Decay energy: 0.253 MeV

  • Possible parent nuclides:
    Electron capture from Cs-125
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
017.1 h1/2+ -0.269(3) d [129Xe]CFBLSPC Neugart (90)
25357 s9/2- -0.7453(8) d [129Xe]CFBLSPC Neugart (90)
+0.424(15) [131Xe]CFBLSPC Neugart (90)
296140 ns7/2+ +0.93(4) TDPADZP A314 17 (83)
1.40(15) TDPADZP A314 17 (83)
N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published.  2000 Courtesy of T. Burrows at BNL/NNDC.