55-Cs-139
 basic
 fission yield

 element
55-cesium-139

  • Atomic Mass: 138.9133579 +- 0.0000046 amu
  • Excess Mass: -80706.565 +- 4.316 keV
  • Binding Energy: 1159590.998 +- 4.320 keV
  • Beta Decay Energy: B- 4212.716 +- 3.122 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: 7/2+
  • Half life: 9.27 min
  • Mode of decay: Beta to Ba-139
    • Decay energy: 4.213 MeV

  • Possible parent nuclides:
    Beta from Xe-139
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
09.4 m7/2+ +2.696(4) [133Cs]CFBLSZP A289 227 (79)
+2.70(1) [133Cs]ABLSNP A367 1 (81)
+2.70(3) [133Cs]ABPS 19 516 (79)
-0.075(11) st CFBLSZP A289 227 (79)
-0.06(3) st ABLSNP A367 1 (81)
N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published.  2000 Courtesy of T. Burrows at BNL/NNDC.