58-Ce-151



Spin
     Level energy(keV)   Spin & Parity       
     ----------------------------------------
       ground state      (5/2+)                
       ground state(+X)                        
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)
     150.934272200 ± 0.000019000 (amu)  [mass excess = -61225.051 ± 17.698 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
     5554.420 ± 21.191 (keV) 
Strong Gamma-rays from Decay of Ce-151 (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 
  ----------------------------------------------------------
         35.1          *450.           B- 
         38.9          *146.           B- 
        636.8          *100.           B- 
  ----------------------------------------------------------
         84.79            --           B- 
         96.8             --           B- 
        118.57            --           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-           1.76 S 6         
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)
    -----------------------------------------------------------
     Ce-151    U-235   Thermal   9.887460e-04   6.327970e-04 
     Ce-151    U-235   Fast      1.364140e-03   8.730450e-04 
     Ce-151    U-235   High      2.153260e-04   1.378080e-04 
     Ce-151    U-238   Fast      4.561120e-03   2.919120e-03 
     Ce-151    U-238   High      2.712370e-03   1.735920e-03 
     Ce-151   Pu-239   Thermal   6.313100e-04   4.040380e-04 
     Ce-151   Pu-239   Fast      6.186200e-04   3.959170e-04 
     Ce-151   Pu-239   High      1.476860e-04   9.451890e-05 
     Ce-151   Pu-241   Thermal   3.017470e-03   1.931180e-03 
     Ce-151   Pu-241   Fast      2.569300e-03   1.644350e-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-151    U-235   Thermal   9.987940e-04   6.392270e-04 
     Ce-151    U-235   Fast      1.387260e-03   8.878460e-04 
     Ce-151    U-235   High      2.184530e-04   1.396450e-04 
     Ce-151    U-238   Fast      4.999980e-03   3.199990e-03 
     Ce-151    U-238   High      2.885480e-03   1.846710e-03 
     Ce-151   Pu-239   Thermal   6.359990e-04   4.070400e-04 
     Ce-151   Pu-239   Fast      6.227210e-04   3.985410e-04 
     Ce-151   Pu-239   High      1.490380e-04   9.534720e-05 
     Ce-151   Pu-241   Thermal   3.096770e-03   1.981930e-03 
     Ce-151   Pu-241   Fast      2.621160e-03   1.677540e-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