62-Sm-156



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)
     155.925536067 ± 0.000010044 (amu)  [mass excess = -69362.706 ± 9.356 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
     722.442 ± 7.913 (keV) 
Strong Gamma-rays from Decay of Sm-156 (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 
  ----------------------------------------------------------
         87.6            23.52         B- 
        165.8            12.74         B- 
        204.0            20.58         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-           9.4 H 2          
Evaluated Data Libraries
     Links to the libraries. 

Parent Nuclides by Reactions in JENDL-4.0
     Eu-156 (Z= 63, A=156), MT=103 (n,p)
     Eu-157 (Z= 63, A=157), MT= 28 (n,np)
     Eu-157 (Z= 63, A=157), MT=104 (n,d)
     Gd-158 (Z= 64, A=158), MT=106 (n,3He)
     Gd-160 (Z= 64, A=160), 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)
    -----------------------------------------------------------
     Sm-156    U-235   Thermal   3.026190e-05   1.936750e-05 
     Sm-156    U-235   Fast      2.301250e-05   1.472800e-05 
     Sm-156    U-235   High      2.567220e-04   1.643020e-04 
     Sm-156    U-238   Fast      1.207450e-05   7.727680e-06 
     Sm-156    U-238   High      8.656430e-05   5.540110e-05 
     Sm-156   Pu-239   Thermal   4.455200e-04   2.851330e-04 
     Sm-156   Pu-239   Fast      6.452760e-04   4.129760e-04 
     Sm-156   Pu-239   High      1.162850e-03   7.442270e-04 
     Sm-156   Pu-241   Thermal   1.112180e-04   7.117940e-05 
     Sm-156   Pu-241   Fast      3.417930e-04   2.187480e-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-156    U-235   Thermal   1.481420e-04   1.187180e-05 
     Sm-156    U-235   Fast      2.020870e-04   5.684840e-06 
     Sm-156    U-235   High      5.465430e-04   8.732030e-05 
     Sm-156    U-238   Fast      7.605880e-04   3.041380e-05 
     Sm-156    U-238   High      1.143960e-03   6.857430e-05 
     Sm-156   Pu-239   Thermal   1.228170e-03   7.370090e-05 
     Sm-156   Pu-239   Fast      1.527190e-03   1.680140e-04 
     Sm-156   Pu-239   High      1.737890e-03   5.557640e-04 
     Sm-156   Pu-241   Thermal   1.720990e-03   6.882920e-05 
     Sm-156   Pu-241   Fast      2.438170e-03   1.098000e-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