62-Sm-159



Spin
     Level energy(keV)   Spin & Parity       
     ----------------------------------------
       ground state      5/2-                  
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)
     158.933217226 ± 0.000006370 (amu)  [mass excess = -62207.753 ± 5.934 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
     3835.109 ± 7.335 (keV) 
Strong Gamma-rays from Decay of Sm-159 (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 
  ----------------------------------------------------------
        189.79           46.           B- 
        254.43            9.75         B- 
        861.97           18.22         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-           11.37 S 15       
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)
    -----------------------------------------------------------
     Sm-159    U-235   Thermal   7.408210e-06   4.741250e-06 
     Sm-159    U-235   Fast      2.158540e-05   1.381470e-05 
     Sm-159    U-235   High      4.452110e-05   2.849350e-05 
     Sm-159    U-238   Fast      3.863440e-05   2.472610e-05 
     Sm-159    U-238   High      1.444780e-04   9.246550e-05 
     Sm-159   Pu-239   Thermal   1.212210e-04   7.758130e-05 
     Sm-159   Pu-239   Fast      2.151150e-04   1.376740e-04 
     Sm-159   Pu-239   High      9.169950e-05   5.868770e-05 
     Sm-159   Pu-241   Thermal   3.098600e-04   1.983100e-04 
     Sm-159   Pu-241   Fast      4.475330e-04   2.864220e-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-159    U-235   Thermal   8.484200e-06   3.824760e-06 
     Sm-159    U-235   Fast      2.708120e-05   1.733190e-05 
     Sm-159    U-235   High      4.859630e-05   3.105580e-05 
     Sm-159    U-238   Fast      8.402310e-05   3.779570e-05 
     Sm-159    U-238   High      2.319680e-04   1.042740e-04 
     Sm-159   Pu-239   Thermal   1.335480e-04   8.547120e-05 
     Sm-159   Pu-239   Fast      2.322220e-04   1.486220e-04 
     Sm-159   Pu-239   High      9.585550e-05   6.130560e-05 
     Sm-159   Pu-241   Thermal   4.427680e-04   1.018210e-04 
     Sm-159   Pu-241   Fast      5.597110e-04   3.582160e-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