57-La-148



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)
     147.932679400 ± 0.000020900 (amu)  [mass excess = -62708.735 ± 19.468 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
     7689.645 ± 22.458 (keV) 
Strong Gamma-rays from Decay of La-148 (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 
  ----------------------------------------------------------
        158.47           55.6          B- 
        760.30            8.56         B- 
        989.85            9.34         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-           1.26 S 8         
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)
    -----------------------------------------------------------
     La-148    U-235   Thermal   3.357740e-03   2.148960e-03 
     La-148    U-235   Fast      4.214280e-03   2.697140e-03 
     La-148    U-235   High      1.494700e-03   9.566070e-04 
     La-148    U-238   Fast      1.090270e-02   6.977750e-03 
     La-148    U-238   High      7.658030e-03   4.901140e-03 
     La-148   Pu-239   Thermal   1.170370e-03   7.490340e-04 
     La-148   Pu-239   Fast      1.721520e-03   1.101770e-03 
     La-148   Pu-239   High      6.190910e-04   3.962190e-04 
     La-148   Pu-241   Thermal   7.249230e-03   4.639510e-03 
     La-148   Pu-241   Fast      5.388760e-03   3.448810e-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)
    -----------------------------------------------------------
     La-148    U-235   Thermal   3.579410e-03   2.290820e-03 
     La-148    U-235   Fast      4.600150e-03   2.944100e-03 
     La-148    U-235   High      1.534580e-03   9.806850e-04 
     La-148    U-238   Fast      1.341880e-02   6.037450e-03 
     La-148    U-238   High      8.461510e-03   3.803920e-03 
     La-148   Pu-239   Thermal   1.196820e-03   7.659610e-04 
     La-148   Pu-239   Fast      1.761820e-03   1.127560e-03 
     La-148   Pu-239   High      6.291190e-04   4.023740e-04 
     La-148   Pu-241   Thermal   7.752450e-03   3.488110e-03 
     La-148   Pu-241   Fast      5.753160e-03   2.590910e-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