55-Cs-142



Spin
     Level energy(keV)   Spin & Parity       
     ----------------------------------------
       ground state      0-                    
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)
     141.924295991 ± 0.000007898 (amu)  [mass excess = -70517.830 ± 7.358 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
     7324.904 ± 8.542 (keV) 
Strong Gamma-rays from Decay of Cs-142 (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 
  ----------------------------------------------------------
        359.60           27.2          B- 
        966.89            8.98         B- 
       1326.46           12.92         B- 
  ----------------------------------------------------------
     *: 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-           1.684 S 14       
Evaluated Data Libraries
     Links to the libraries. 

Parent Nuclides by Reactions in JENDL-4.0 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-142    U-235   Thermal   2.274670e-02   6.369060e-04 
     Cs-142    U-235   Fast      2.260950e-02   1.356570e-03 
     Cs-142    U-235   High      1.326170e-02   4.243760e-03 
     Cs-142    U-238   Fast      2.280640e-02   7.298040e-03 
     Cs-142    U-238   High      2.384070e-02   7.629020e-03 
     Cs-142   Pu-239   Thermal   1.396410e-02   3.211730e-03 
     Cs-142   Pu-239   Fast      1.272880e-02   4.073200e-03 
     Cs-142   Pu-239   High      5.202800e-03   3.329800e-03 
     Cs-142   Pu-241   Thermal   2.687850e-02   8.601100e-03 
     Cs-142   Pu-241   Fast      2.296720e-02   7.349500e-03 
    -----------------------------------------------------------
    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-142    U-235   Thermal   2.711700e-02   7.627920e-04 
     Cs-142    U-235   Fast      2.826420e-02   1.702020e-03 
     Cs-142    U-235   High      1.417480e-02   3.256540e-03 
     Cs-142    U-238   Fast      3.840090e-02   6.161580e-03 
     Cs-142    U-238   High      2.875760e-02   6.619640e-03 
     Cs-142   Pu-239   Thermal   1.538990e-02   2.463210e-03 
     Cs-142   Pu-239   Fast      1.369290e-02   3.150560e-03 
     Cs-142   Pu-239   High      5.428440e-03   2.441620e-03 
     Cs-142   Pu-241   Thermal   3.239680e-02   7.456490e-03 
     Cs-142   Pu-241   Fast      2.827250e-02   6.513940e-03 
    -----------------------------------------------------------
    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