58-Ce-146



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)
     145.918802412 ± 0.000017503 (amu)  [mass excess = -75635.066 ± 16.304 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
     1045.660 ± 32.519 (keV) 
Strong Gamma-rays from Decay of Ce-146 (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 
  ----------------------------------------------------------
        218.23           20.79         B- 
        264.56            8.99         B- 
        316.74           56.2          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-           13.52 M 13       
Evaluated Data Libraries
     Links to the libraries. 

Parent Nuclides by Reactions in JENDL-4.0
     Nd-148 (Z= 60, A=148), MT=106 (n,3He)
     Nd-150 (Z= 60, A=150), 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)
    -----------------------------------------------------------
     Ce-146    U-235   Thermal   5.820460e-03   6.402510e-04 
     Ce-146    U-235   Fast      4.259230e-03   2.725920e-03 
     Ce-146    U-235   High      8.510450e-03   5.446680e-03 
     Ce-146    U-238   Fast      8.708550e-04   5.573470e-04 
     Ce-146    U-238   High      2.189170e-03   1.401070e-03 
     Ce-146   Pu-239   Thermal   1.037640e-02   3.320440e-03 
     Ce-146   Pu-239   Fast      1.075290e-02   2.473170e-03 
     Ce-146   Pu-239   High      9.079830e-03   5.811090e-03 
     Ce-146   Pu-241   Thermal   2.931170e-03   1.875940e-03 
     Ce-146   Pu-241   Fast      4.444760e-03   2.844640e-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)
    -----------------------------------------------------------
     Ce-146    U-235   Thermal   2.989970e-02   4.203520e-04 
     Ce-146    U-235   Fast      2.915020e-02   5.856350e-04 
     Ce-146    U-235   High      2.117130e-02   6.764110e-03 
     Ce-146    U-238   Fast      3.453540e-02   9.681130e-04 
     Ce-146    U-238   High      2.440920e-02   1.461970e-03 
     Ce-146   Pu-239   Thermal   2.438440e-02   3.414010e-04 
     Ce-146   Pu-239   Fast      2.423420e-02   9.694220e-04 
     Ce-146   Pu-239   High      1.512980e-02   4.838050e-03 
     Ce-146   Pu-241   Thermal   2.766970e-02   7.744590e-04 
     Ce-146   Pu-241   Fast      2.801690e-02   1.120860e-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