Level energy(keV)   Spin & Parity       
       ground state      7/2+                  
       1.85105E+03       (19/2-)               
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)
     128.909146665 ± 0.000022792 (amu)  [mass excess = -84629.337 ± 21.231 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
     2375.500 ± 21.213 (keV) 
Strong Gamma-rays from Decay of Sb-129 (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 
        722.6          * 14.25         IT 
       1128.44         * 15.           IT 
        684.              --           B- 
        758.              --           B- 
        761.              --           B- 
        544.7            17.93         B- 
        812.8            43.           B- 
        914.6            20.04         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-           17.7 M 1         
       B-           4.40 H 1         
       IT           17.7 M 1         
Evaluated Data Libraries
     Links to the libraries. 

Parent Nuclides by Reactions in JENDL-4.0
     Te-129 (Z= 52, A=129), MT=103 (n,p)
     Te-130 (Z= 52, A=130), MT= 28 (n,np)
     Te-130 (Z= 52, A=130), MT=104 (n,d)
     Cs-136 (Z= 55, A=136), MT=108 (n,2α)
     Cs-137 (Z= 55, A=137), MT= 29 (n,n2α)

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)
     Sb-129    U-235   Thermal   2.466990e-04   1.110140e-04 
     Sb-129    U-235   Fast      2.005990e-04   1.283840e-04 
     Sb-129    U-235   High      2.824370e-03   6.496080e-04 
     Sb-129    U-238   Fast      1.071690e-04   6.858810e-05 
     Sb-129    U-238   High      1.000620e-03   6.403990e-04 
     Sb-129   Pu-239   Thermal   1.467510e-03   9.392040e-04 
     Sb-129   Pu-239   Fast      1.190990e-03   7.622320e-04 
     Sb-129   Pu-239   High      3.300720e-03   1.056230e-03 
     Sb-129   Pu-241   Thermal   4.182570e-04   2.676840e-04 
     Sb-129   Pu-241   Fast      5.549960e-04   3.551980e-04 
     Sb-129m   U-235   Thermal   3.916890e-04   3.133520e-04 
     Sb-129m   U-235   Fast      4.213040e-04   3.370430e-04 
     Sb-129m   U-235   High      9.041730e-03   7.233380e-03 
     Sb-129m   U-238   Fast      1.606630e-04   1.285300e-04 
     Sb-129m   U-238   High      3.217990e-03   2.574390e-03 
     Sb-129m  Pu-239   Thermal   1.834930e-03   1.467940e-03 
     Sb-129m  Pu-239   Fast      1.953070e-03   1.562450e-03 
     Sb-129m  Pu-239   High      1.056660e-02   8.453320e-03 
     Sb-129m  Pu-241   Thermal   4.929450e-04   3.943560e-04 
     Sb-129m  Pu-241   Fast      8.490110e-04   6.792090e-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)
     Sb-129    U-235   Thermal   4.968280e-03   2.337730e-04 
     Sb-129    U-235   Fast      7.767720e-03   1.335140e-03 
     Sb-129    U-235   High      1.951610e-02   3.437990e-03 
     Sb-129    U-238   Fast      9.669560e-03   1.625210e-03 
     Sb-129    U-238   High      1.608980e-02   1.866110e-03 
     Sb-129   Pu-239   Thermal   1.135160e-02   1.173110e-03 
     Sb-129   Pu-239   Fast      1.205090e-02   1.388960e-03 
     Sb-129   Pu-239   High      1.415070e-02   5.111670e-03 
     Sb-129   Pu-241   Thermal   7.402300e-03   3.525790e-03 
     Sb-129   Pu-241   Fast      1.036400e-02   2.588870e-03 
     Sb-129m   U-235   Thermal   5.454010e-04   3.133520e-04 
     Sb-129m   U-235   Fast      6.961510e-04   3.370430e-04 
     Sb-129m   U-235   High      9.633440e-03   7.233380e-03 
     Sb-129m   U-238   Fast      4.797010e-04   1.285300e-04 
     Sb-129m   U-238   High      3.730240e-03   2.574390e-03 
     Sb-129m  Pu-239   Thermal   2.182020e-03   1.467940e-03 
     Sb-129m  Pu-239   Fast      2.350950e-03   1.562450e-03 
     Sb-129m  Pu-239   High      1.093750e-02   8.453320e-03 
     Sb-129m  Pu-241   Thermal   7.378390e-04   3.943560e-04 
     Sb-129m  Pu-241   Fast      1.207720e-03   6.792090e-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