55-Cs-132



Spin
     Level energy(keV)   Spin & Parity       
     ----------------------------------------
       ground state      2+                    
Mass (The Ame2012 atomic mass evaluation (II) by M.Wang, G.Audi, A.H.Wapstra, F.G.Kondev, M.MacCormick, X.Xu, and B.Pfeiffer Chinese Physics C36 p. 1603-2014, December 2012)
     131.906433914 ± 0.000002147 (amu)  [mass excess = -87156.248 ± 2.000 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
     1278.742 ± 2.261 (keV) 
Strong Gamma-rays from Decay of Cs-132 (Compiled from ENSDF as of March 2011)
  [ Intensities before May 23th of 2013 were values when total intensity of the decay mode was 100(%) and a branching ratio of each decay mode was not multiplied. ]
   γ-ray energy(keV)  Intensity(%)  Decay mode 
  ----------------------------------------------------------
        464.47            1.58         B- 
        567.16            0.22         B- 
       1031.66            0.13         B- 
  ----------------------------------------------------------
        505.79            0.73         EC 
        630.19            0.95         EC 
        667.71           97.59         EC 
  ----------------------------------------------------------
     *: relative, ~ approximate, ? calculated or estimatted 
     >: greater than or equal to, <: less than or equal to  
  [ Intensities; total intensity of the nuclide is 100(%). ]
Decay data(Chart of the Nuclides 2014)
     Decay mode     Half-life 
       B-           6.479 D 7        
       EC           6.480 D 6        
Evaluated Data Libraries
     Links to the libraries. 

Parent Nuclides by Reactions in JENDL-4.0
     Cs-133 (Z= 55, A=133), MT= 16 (n,2n)
     Cs-134 (Z= 55, A=134), MT= 17 (n,3n)
     Ba-132 (Z= 56, A=132), MT=103 (n,p)
     Ba-134 (Z= 56, A=134), MT=105 (n,t)

Fission Yields for Fission Products in JENDL-4.0 Fission Yield Data

   - Neutron-induced Fission Yields (from main actinide nuclides) - Independent Fission Yield -
     Product  Nuclide  Energy   Fission Yield  Uncertainty(1σ)
    -----------------------------------------------------------
     Cs-132    U-235   Thermal   7.368270e-10   4.715690e-10 
     Cs-132    U-235   Fast      2.614600e-12   1.673350e-12 
     Cs-132    U-235   High      4.375990e-07   2.800640e-07 
     Cs-132    U-238   Fast      2.851060e-13   1.824680e-13 
     Cs-132    U-238   High      1.511650e-09   9.674530e-10 
     Cs-132   Pu-239   Thermal   2.979530e-09   1.906900e-09 
     Cs-132   Pu-239   Fast      2.599570e-09   1.663730e-09 
     Cs-132   Pu-239   High      5.923840e-06   3.791260e-06 
     Cs-132   Pu-241   Thermal   2.320380e-11   1.485040e-11 
     Cs-132   Pu-241   Fast      2.737940e-11   1.752280e-11 
    -----------------------------------------------------------
    Thermal=0.0253eV, Fast=500keV(Fast reactor spectrum), High=14MeV
   - Neutron-induced Fission Yields (from main actinide nuclides) - Cumulative Fission Yield -
     Product  Nuclide  Energy   Fission Yield  Uncertainty(1σ)
    -----------------------------------------------------------
     Cs-132    U-235   Thermal   7.368270e-10   4.715690e-10 
     Cs-132    U-235   Fast      2.614600e-12   1.673350e-12 
     Cs-132    U-235   High      4.375990e-07   2.796490e-07 
     Cs-132    U-238   Fast      2.851060e-13   1.824010e-13 
     Cs-132    U-238   High      1.511650e-09   9.664050e-10 
     Cs-132   Pu-239   Thermal   2.979530e-09   1.906900e-09 
     Cs-132   Pu-239   Fast      2.599570e-09   1.663730e-09 
     Cs-132   Pu-239   High      5.923840e-06   3.788800e-06 
     Cs-132   Pu-241   Thermal   2.320380e-11   1.484800e-11 
     Cs-132   Pu-241   Fast      2.737940e-11   1.752280e-11 
    -----------------------------------------------------------
    Thermal=0.0253eV, Fast=500keV(Fast reactor spectrum), High=14MeV
      → Neutron-induced and Spontaneous Fission Yields of all nuclides in JENDL-4.0 Fission Yield Data