66-Dy-166



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)
     165.932813863 ± 0.000002067 (amu)  [mass excess = -62583.483 ± 1.926 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
     487.112 ± 0.939 (keV) 
Strong Gamma-rays from Decay of Dy-166 (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 
  ----------------------------------------------------------
         28.23            1.13         B- 
         54.24            0.81         B- 
         82.47           13.8          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-           81.6 H 1         
Evaluated Data Libraries
     Links to the libraries. 

Parent Nuclides by Reactions in JENDL-4.0
     Er-170 (Z= 68, A=170), 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)
    -----------------------------------------------------------
     Dy-166    U-235   Thermal   3.973670e-10   2.543150e-10 
     Dy-166    U-235   Fast      4.670360e-10   2.989030e-10 
     Dy-166    U-235   High      9.853500e-07   6.306250e-07 
     Dy-166    U-238   Fast      2.610980e-09   1.671020e-09 
     Dy-166    U-238   High      1.771930e-07   1.134030e-07 
     Dy-166   Pu-239   Thermal   1.479770e-07   9.470510e-08 
     Dy-166   Pu-239   Fast      1.849700e-06   1.183810e-06 
     Dy-166   Pu-239   High      2.641710e-06   1.690700e-06 
     Dy-166   Pu-241   Thermal   7.611220e-11   4.871190e-11 
     Dy-166   Pu-241   Fast      3.867090e-07   2.474940e-07 
    -----------------------------------------------------------
    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)
    -----------------------------------------------------------
     Dy-166    U-235   Thermal   3.617300e-09   1.161590e-09 
     Dy-166    U-235   Fast      9.603140e-09   4.328990e-09 
     Dy-166    U-235   High      2.718720e-06   2.169630e-07 
     Dy-166    U-238   Fast      5.668710e-07   2.551520e-07 
     Dy-166    U-238   High      6.303000e-06   6.920250e-07 
     Dy-166   Pu-239   Thermal   6.642900e-07   1.062390e-07 
     Dy-166   Pu-239   Fast      6.311700e-06   2.839450e-06 
     Dy-166   Pu-239   High      4.362400e-06   1.962000e-06 
     Dy-166   Pu-241   Thermal   4.146310e-09   1.863010e-09 
     Dy-166   Pu-241   Fast      6.207850e-06   2.794500e-06 
    -----------------------------------------------------------
    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