62-Sm-158



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)
     157.929951004 ± 0.000005251 (amu)  [mass excess = -65250.220 ± 4.892 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
     2004.946 ± 10.369 (keV) 
Strong Gamma-rays from Decay of Sm-158 (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 
  ----------------------------------------------------------
        189.4            15.16         B- 
        324.5            10.6          B- 
        363.6            12.4          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-           5.30 M 3         
Evaluated Data Libraries
     Links to the libraries. 

Parent Nuclides by Reactions in JENDL-4.0
     Gd-160 (Z= 64, A=160), MT=106 (n,3He)

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)
    -----------------------------------------------------------
     Sm-158    U-235   Thermal   2.394190e-05   1.532280e-05 
     Sm-158    U-235   Fast      4.064600e-05   2.601350e-05 
     Sm-158    U-235   High      1.244210e-04   7.962920e-05 
     Sm-158    U-238   Fast      4.258590e-05   2.725500e-05 
     Sm-158    U-238   High      1.674030e-04   1.071370e-04 
     Sm-158   Pu-239   Thermal   2.929530e-04   1.874910e-04 
     Sm-158   Pu-239   Fast      4.660150e-04   2.982490e-04 
     Sm-158   Pu-239   High      2.492920e-04   1.595460e-04 
     Sm-158   Pu-241   Thermal   4.132670e-04   2.644910e-04 
     Sm-158   Pu-241   Fast      6.759120e-04   4.325840e-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)
    -----------------------------------------------------------
     Sm-158    U-235   Thermal   3.150920e-05   1.009860e-05 
     Sm-158    U-235   Fast      6.342300e-05   2.859760e-05 
     Sm-158    U-235   High      1.507800e-04   9.635420e-05 
     Sm-158    U-238   Fast      1.841650e-04   8.284100e-05 
     Sm-158    U-238   High      4.124170e-04   1.853880e-04 
     Sm-158   Pu-239   Thermal   3.590050e-04   2.297630e-04 
     Sm-158   Pu-239   Fast      5.502630e-04   3.521690e-04 
     Sm-158   Pu-239   High      2.741330e-04   1.753340e-04 
     Sm-158   Pu-241   Thermal   9.047910e-04   4.070880e-04 
     Sm-158   Pu-241   Fast      1.076560e-03   4.848180e-04 
    -----------------------------------------------------------
    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