57-La-142



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)
     141.914090890 ± 0.000006853 (amu)  [mass excess = -80023.821 ± 6.384 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
     4508.911 ± 5.845 (keV) 
Strong Gamma-rays from Decay of La-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 
  ----------------------------------------------------------
        641.28           47.4          B- 
       2397.8            13.27         B- 
       2542.7            10.           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-           91.1 M 5         
Evaluated Data Libraries
     Links to the libraries. 

Parent Nuclides by Reactions in JENDL-4.0
     Ce-142 (Z= 58, A=142), MT=103 (n,p)
     Ce-143 (Z= 58, A=143), MT= 28 (n,np)
     Ce-143 (Z= 58, A=143), MT=104 (n,d)
     Ce-144 (Z= 58, A=144), MT= 32 (n,nd)
     Ce-144 (Z= 58, A=144), 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)
    -----------------------------------------------------------
     La-142    U-235   Thermal   9.637060e-04   3.083860e-04 
     La-142    U-235   Fast      2.984730e-04   1.910230e-04 
     La-142    U-235   High      5.015250e-03   3.209760e-03 
     La-142    U-238   Fast      5.264960e-05   3.369570e-05 
     La-142    U-238   High      4.629040e-04   2.962580e-04 
     La-142   Pu-239   Thermal   2.992680e-03   1.915310e-03 
     La-142   Pu-239   Fast      2.722550e-03   1.742430e-03 
     La-142   Pu-239   High      8.246770e-03   3.711050e-03 
     La-142   Pu-241   Thermal   3.640590e-04   2.329980e-04 
     La-142   Pu-241   Fast      4.085730e-04   2.614860e-04 
    -----------------------------------------------------------
    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)
    -----------------------------------------------------------
     La-142    U-235   Thermal   5.838670e-02   8.248350e-04 
     La-142    U-235   Fast      5.529260e-02   7.863900e-04 
     La-142    U-235   High      4.198160e-02   4.611920e-03 
     La-142    U-238   Fast      4.576380e-02   9.219870e-04 
     La-142    U-238   High      4.060770e-02   1.137200e-03 
     La-142   Pu-239   Thermal   4.924470e-02   3.448840e-04 
     La-142   Pu-239   Fast      4.749760e-02   6.651510e-04 
     La-142   Pu-239   High      3.053190e-02   3.356460e-03 
     La-142   Pu-241   Thermal   4.745240e-02   9.495320e-04 
     La-142   Pu-241   Fast      4.628300e-02   1.854570e-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