55-Cs-134



Spin
     Level energy(keV)   Spin & Parity       
     ----------------------------------------
       ground state      4+                    
       1.38744E+02       8-                    
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)
     133.906718503 ± 0.000000017 (amu)  [mass excess = -86891.154 ± 0.016 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
     2058.901 ± 0.276 (keV) 
Strong Gamma-rays from Decay of Cs-134 (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 
  ----------------------------------------------------------
         11.24            1.08         IT 
        127.50           12.6          IT 
        138.73          4.E-03         IT 
  ----------------------------------------------------------
        569.33           15.37         B- 
        604.72           97.62         B- 
        795.86           85.46         B- 
        847.0           3.E-04         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-           2.0652 Y 4       
       IT           2.912 H 2        
Cross Sections (taken from JENDL-4.0)
     Table of cross sections, Cs-134.
     Figures of cross sections, Cs-134:  type-1:  type-2:  type-3.
       type-1: total, elastic and inelastic scattering, capture and fision cross sections
       type-2: same as type-1 but cross sections are averaged in 70 energy group intervals
       type-3: threshold reaction cross sections
Evaluated Data Libraries
     Links to the libraries. 

Parent Nuclides by Reactions in JENDL-4.0
     Cs-133 (Z= 55, A=133), MT=102 (n,γ)
     Cs-134 (Z= 55, A=134), MT=  2 (Elastic scattering)
     Cs-134 (Z= 55, A=134), MT=  4 (Inelastic scattering)
     Cs-135 (Z= 55, A=135), MT= 16 (n,2n)
     Cs-136 (Z= 55, A=136), MT= 17 (n,3n)
     Ba-134 (Z= 56, A=134), MT=103 (n,p)
     Ba-135 (Z= 56, A=135), MT= 28 (n,np)
     Ba-135 (Z= 56, A=135), MT=104 (n,d)
     Ba-136 (Z= 56, A=136), MT=105 (n,t)
     La-138 (Z= 57, A=138), MT= 22 (n,nα)

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-134    U-235   Thermal   4.433900e-08   2.837700e-08 
     Cs-134    U-235   Fast      2.665700e-08   1.706050e-08 
     Cs-134    U-235   High      3.510850e-05   2.246940e-05 
     Cs-134    U-238   Fast      3.425080e-09   2.192050e-09 
     Cs-134    U-238   High      7.921590e-07   5.069840e-07 
     Cs-134   Pu-239   Thermal   3.858590e-06   2.469490e-06 
     Cs-134   Pu-239   Fast      3.513330e-06   2.248530e-06 
     Cs-134   Pu-239   High      1.705880e-04   1.091760e-04 
     Cs-134   Pu-241   Thermal   1.336540e-07   8.553820e-08 
     Cs-134   Pu-241   Fast      1.318710e-07   8.439730e-08 
    -----------------------------------------------------------
     Cs-134m   U-235   Thermal   3.263840e-08   2.088860e-08 
     Cs-134m   U-235   Fast      2.363920e-08   1.512910e-08 
     Cs-134m   U-235   High      5.584620e-05   3.574150e-05 
     Cs-134m   U-238   Fast      3.037330e-09   1.943890e-09 
     Cs-134m   U-238   High      1.260070e-06   8.064460e-07 
     Cs-134m  Pu-239   Thermal   2.840350e-06   1.817820e-06 
     Cs-134m  Pu-239   Fast      3.115590e-06   1.993980e-06 
     Cs-134m  Pu-239   High      2.713490e-04   1.736630e-04 
     Cs-134m  Pu-241   Thermal   9.838390e-08   6.296560e-08 
     Cs-134m  Pu-241   Fast      1.169420e-07   7.484290e-08 
    -----------------------------------------------------------
    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-134    U-235   Thermal   7.697750e-08   4.926550e-08 
     Cs-134    U-235   Fast      5.029620e-08   3.218950e-08 
     Cs-134    U-235   High      9.095480e-05   5.255560e-05 
     Cs-134    U-238   Fast      6.462410e-09   4.135950e-09 
     Cs-134    U-238   High      2.052230e-06   1.186140e-06 
     Cs-134   Pu-239   Thermal   6.698950e-06   4.287330e-06 
     Cs-134   Pu-239   Fast      6.628920e-06   4.242520e-06 
     Cs-134   Pu-239   High      4.419370e-04   2.555010e-04 
     Cs-134   Pu-241   Thermal   2.320380e-07   1.485040e-07 
     Cs-134   Pu-241   Fast      2.488130e-07   1.592400e-07 
    -----------------------------------------------------------
     Cs-134m   U-235   Thermal   3.263840e-08   2.088860e-08 
     Cs-134m   U-235   Fast      2.363920e-08   1.512910e-08 
     Cs-134m   U-235   High      5.584620e-05   3.568860e-05 
     Cs-134m   U-238   Fast      3.037330e-09   1.943180e-09 
     Cs-134m   U-238   High      1.260070e-06   8.055730e-07 
     Cs-134m  Pu-239   Thermal   2.840350e-06   1.817820e-06 
     Cs-134m  Pu-239   Fast      3.115590e-06   1.993980e-06 
     Cs-134m  Pu-239   High      2.713490e-04   1.735510e-04 
     Cs-134m  Pu-241   Thermal   9.838390e-08   6.295540e-08 
     Cs-134m  Pu-241   Fast      1.169420e-07   7.484290e-08 
    -----------------------------------------------------------
    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