Level energy(keV)   Spin & Parity       
       ground state      7/2+                  
       2.07801E+02       1/2-                  
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)
     166.932054617 ± 0.000002180 (amu)  [mass excess = -63290.716 ± 2.031 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
     -746.662 ± 1.524 (keV) 
Strong Gamma-rays from Decay of Er-167 (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 
        207.80           42.4          IT 
     *: 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 
       IT           2.269 S 6        
Cross Sections (taken from JENDL-4.0)
     Table of cross sections, Er-167.
     Figures of cross sections, Er-167:  type-1:  type-2:  type-3.
       type-1: total, elastic and inelastic scattering, capture and fision cross sections
       type-2: same as type-1 but cross sections are averaged in 70 energy group intervals
       type-3: threshold reaction cross sections
Evaluated Data Libraries
     Links to the libraries. 

Parent Nuclides by Reactions in JENDL-4.0
     Er-166 (Z= 68, A=166), MT=102 (n,γ)
     Er-167 (Z= 68, A=167), MT=  2 (Elastic scattering)
     Er-167 (Z= 68, A=167), MT=  4 (Inelastic scattering)
     Er-168 (Z= 68, A=168), MT= 16 (n,2n)
     Tm-169 (Z= 69, A=169), MT= 32 (n,nd)
     Tm-169 (Z= 69, A=169), MT= 41 (n,2np)
     Tm-169 (Z= 69, A=169), MT=105 (n,t)
     Yb-170 (Z= 70, A=170), MT=107 (n,α)
     Yb-171 (Z= 70, A=171), 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)
     Er-167    U-235   Thermal   9.521820e-15   6.093970e-15 
     Er-167    U-235   Fast      3.991210e-15   3.192970e-15 
     Er-167    U-235   High      3.676730e-09   2.353110e-09 
     Er-167    U-238   Fast      1.326860e-14   1.061490e-14 
     Er-167    U-238   High      6.566910e-12   4.202830e-12 
     Er-167   Pu-239   Thermal   1.046310e-11   6.696350e-12 
     Er-167   Pu-239   Fast      4.458670e-10   2.853550e-10 
     Er-167   Pu-239   High      5.303300e-08   3.394110e-08 
     Er-167   Pu-241   Thermal   1.612590e-16   1.290070e-16 
     Er-167   Pu-241   Fast      7.614750e-12   4.873440e-12 
     Er-167m   U-235   Thermal   2.040240e-15   1.632190e-15 
     Er-167m   U-235   Fast      5.339710e-16   4.271770e-16 
     Er-167m   U-235   High      3.067260e-10   1.963050e-10 
     Er-167m   U-238   Fast      1.775160e-15   1.420130e-15 
     Er-167m   U-238   High      5.478360e-13   3.506150e-13 
     Er-167m  Pu-239   Thermal   1.605060e-12   1.027240e-12 
     Er-167m  Pu-239   Fast      5.965110e-11   3.817670e-11 
     Er-167m  Pu-239   High      4.424210e-09   2.831490e-09 
     Er-167m  Pu-241   Thermal   2.473760e-17   1.979000e-17 
     Er-167m  Pu-241   Fast      1.018750e-12   6.520020e-13 
    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)
     Er-167    U-235   Thermal   2.467630e-09   7.903470e-10 
     Er-167    U-235   Fast      3.835130e-09   8.856160e-10 
     Er-167    U-235   High      1.855540e-06   2.035560e-07 
     Er-167    U-238   Fast      4.353320e-07   6.960120e-08 
     Er-167    U-238   High      3.698690e-06   5.904670e-07 
     Er-167   Pu-239   Thermal   1.520870e-07   4.863950e-08 
     Er-167   Pu-239   Fast      2.668230e-06   8.543870e-07 
     Er-167   Pu-239   High      2.742340e-06   4.383440e-07 
     Er-167   Pu-241   Thermal   1.035990e-09   3.328240e-10 
     Er-167   Pu-241   Fast      3.104110e-06   9.952170e-07 
     Er-167m   U-235   Thermal   2.961160e-10   1.215180e-10 
     Er-167m   U-235   Fast      4.602160e-10   1.888730e-10 
     Er-167m   U-235   High      2.225010e-07   9.130650e-08 
     Er-167m   U-238   Fast      5.223980e-08   1.328460e-08 
     Er-167m   U-238   High      4.438420e-07   1.821370e-07 
     Er-167m  Pu-239   Thermal   1.825070e-08   7.489470e-09 
     Er-167m  Pu-239   Fast      3.201870e-07   1.313960e-07 
     Er-167m  Pu-239   High      3.270890e-07   1.342350e-07 
     Er-167m  Pu-241   Thermal   1.243190e-10   5.102050e-11 
     Er-167m  Pu-241   Fast      3.724930e-07   1.528640e-07 
    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