element
Information about Cesium-127:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:126.907418±0.000009amu
    Excess Mass (Δ):-86.239937±0.008745MeV
    Binding Energy:1068.268496±0.008746MeV
    β- Decay Energy:-3.450000±0.100000MeV
"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: 1/2+
  • Half life: 6.25 h ( 22500 sec., λ = 3.08065×10-05 s-1)
  • Mode of decay:
    E.C.
    to
    127
    54
    Xe
      (Q = 2.085 MeV)

  • Possible parent nuclides:
    E.C. from
    127
    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
06.2 h1/2+ +1.459(7) [133Cs]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.