54-Xe-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)
     141.929973098 ± 0.000002900 (amu)  [mass excess = -65229.639 ± 2.701 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
     5288.192 ± 7.838 (keV) 
Strong Gamma-rays from Decay of Xe-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 
  ----------------------------------------------------------
        538.24         *769.           B- 
        571.26         *1000.          B- 
        657.05         *791.           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-           1.22 S 2         
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)
    -----------------------------------------------------------
     Xe-142    U-235   Thermal   4.335130e-03   2.601080e-04 
     Xe-142    U-235   Fast      5.655690e-03   3.619650e-03 
     Xe-142    U-235   High      9.100670e-04   5.824430e-04 
     Xe-142    U-238   Fast      1.527940e-02   4.889420e-03 
     Xe-142    U-238   High      4.826870e-03   2.896120e-04 
     Xe-142   Pu-239   Thermal   1.409540e-03   1.127630e-04 
     Xe-142   Pu-239   Fast      9.659640e-04   6.182170e-04 
     Xe-142   Pu-239   High      2.254060e-04   1.442600e-04 
     Xe-142   Pu-241   Thermal   5.461160e-03   6.007260e-04 
     Xe-142   Pu-241   Fast      5.295590e-03   3.389180e-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)
    -----------------------------------------------------------
     Xe-142    U-235   Thermal   4.386030e-03   2.636040e-04 
     Xe-142    U-235   Fast      5.675350e-03   2.559100e-03 
     Xe-142    U-235   High      9.163970e-04   5.855870e-04 
     Xe-142    U-238   Fast      1.564470e-02   3.596160e-03 
     Xe-142    U-238   High      4.933050e-03   1.971700e-04 
     Xe-142   Pu-239   Thermal   1.431050e-03   8.586250e-05 
     Xe-142   Pu-239   Fast      9.676780e-04   6.193140e-04 
     Xe-142   Pu-239   High      2.264690e-04   1.448380e-04 
     Xe-142   Pu-241   Thermal   5.537180e-03   4.428460e-04 
     Xe-142   Pu-241   Fast      5.323750e-03   2.397360e-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