element
Information about Cesium-119:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:118.922371±0.000015amu
    Excess Mass (Δ):-72.311049±0.014099MeV
    Binding Energy:989.769026±0.014100MeV
    β- Decay Energy:-8.086343±1.019977MeV
"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: 9/2+
  • Half life: 43.0 s ( 43 sec., λ = 0.0161197 s-1)
  • Mode of decay:
    E.C.
    to
    119
    54
    Xe
      (Q = 6.330 MeV)
    Meta state at 0.000 Mev
  • Spin: 3/2(+) 43.0
  • Half life: 30.4 s ( 30.4 sec., λ = 0.0228009 s-1)
  • Mode of decay:
    E.C.
    to
    119
    54
    Xe
      (Q = 6.330 MeV)

  • Possible parent nuclides:
    E.C. +
    1
    1
    p+ from
    120
    57
    La
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
(0)36 s9/2+ +5.46(3) [133Cs]ABLSNP A468 1 (87)
+2.8(1) st ABLSNP A468 1 (87)
(0)28 s3/2+ +0.838(5) [133Cs]ABLSNP A468 1 (87)
+0.9(1) 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.