element
Information about Cesium-126:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:125.909448±0.000013amu
    Excess Mass (Δ):-84.348676±0.012341MeV
    Binding Energy:1058.305913±0.012343MeV
    β- Decay Energy:-1.673143±0.018433MeV
"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.
Radioactive Decay Data:

  • Spin: 1+
  • Half life: 1.63 min ( 97.8 sec., λ = 0.00708739 s-1)
  • Mode of decay:
    E.C.
    to
    126
    54
    Xe
      (Q = 4.826 MeV)

  • Possible parent nuclides:
    E.C. from
    126
    56
    Ba
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
01.64 m1+ +0.777(4) [133Cs]ABLSNP A468 1 (87)
+0.779(8) [133Cs]ABNP A292 144 (77)
-0.68(2) st ABLSNP A468 1 (87)
N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published.  2000 Courtesy of T. Burrows at BNL/NNDC.