Level energy(keV)   Spin & Parity       
       ground state      (3/2+)                
       3.52000E+01       (11/2-)               
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)
     128.913464711 ± 0.000020804 (amu)  [mass excess = -80607.102 ± 19.379 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
     4022.234 ± 28.746 (keV) 
Strong Gamma-rays from Decay of Sn-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 
        760.8            15.6          B- 
       1128.44           46.28         B- 
       1161.31           52.           B- 
        645.2            87.5          B- 
        913.5             5.51         B- 
       1252.2             4.02         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-           2.23 M 4         
       B-           6.9 M 1          
Evaluated Data Libraries
     Links to the libraries. 

Parent Nuclides by Reactions in JENDL-4.0
     Te-132 (Z= 52, A=132), MT=107 (n,α)

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)
     Sn-129    U-235   Thermal   1.246790e-03   1.371460e-04 
     Sn-129    U-235   Fast      1.943870e-03   8.747430e-04 
     Sn-129    U-235   High      2.540150e-03   8.128460e-04 
     Sn-129    U-238   Fast      2.223800e-03   1.000710e-03 
     Sn-129    U-238   High      2.156150e-03   1.379940e-03 
     Sn-129   Pu-239   Thermal   2.870060e-03   1.836840e-03 
     Sn-129   Pu-239   Fast      2.832440e-03   1.812760e-03 
     Sn-129   Pu-239   High      1.601410e-03   1.024900e-03 
     Sn-129   Pu-241   Thermal   2.019940e-03   1.292770e-03 
     Sn-129   Pu-241   Fast      2.548850e-03   1.631260e-03 
     Sn-129m   U-235   Thermal   3.008460e-03   1.805080e-04 
     Sn-129m   U-235   Fast      5.447270e-03   3.486260e-03 
     Sn-129m   U-235   High      1.165070e-02   7.456400e-03 
     Sn-129m   U-238   Fast      6.231720e-03   3.988300e-03 
     Sn-129m   U-238   High      9.889380e-03   6.329200e-03 
     Sn-129m  Pu-239   Thermal   6.925370e-03   4.432250e-03 
     Sn-129m  Pu-239   Fast      7.937290e-03   5.079880e-03 
     Sn-129m  Pu-239   High      7.345000e-03   4.700790e-03 
     Sn-129m  Pu-241   Thermal   4.874060e-03   3.119400e-03 
     Sn-129m  Pu-241   Fast      7.142590e-03   4.571250e-03 
    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)
     Sn-129    U-235   Thermal   1.719240e-03   1.501940e-04 
     Sn-129    U-235   Fast      2.240590e-03   7.291700e-04 
     Sn-129    U-235   High      4.004140e-03   9.689790e-04 
     Sn-129    U-238   Fast      3.428710e-03   1.143370e-03 
     Sn-129    U-238   High      4.796890e-03   2.304370e-03 
     Sn-129   Pu-239   Thermal   2.962100e-03   1.337370e-03 
     Sn-129   Pu-239   Fast      2.947430e-03   1.331950e-03 
     Sn-129   Pu-239   High      2.163970e-03   1.002790e-03 
     Sn-129   Pu-241   Thermal   2.220370e-03   1.421040e-03 
     Sn-129   Pu-241   Fast      2.812370e-03   1.279140e-03 
     Sn-129m   U-235   Thermal   3.074240e-03   1.312760e-04 
     Sn-129m   U-235   Fast      5.496950e-03   3.499340e-03 
     Sn-129m   U-235   High      1.183430e-02   7.450590e-03 
     Sn-129m   U-238   Fast      6.380770e-03   3.994400e-03 
     Sn-129m   U-238   High      1.024500e-02   6.344960e-03 
     Sn-129m  Pu-239   Thermal   6.941750e-03   4.435130e-03 
     Sn-129m  Pu-239   Fast      7.957750e-03   5.083270e-03 
     Sn-129m  Pu-239   High      7.416160e-03   4.699580e-03 
     Sn-129m  Pu-241   Thermal   4.897890e-03   3.119680e-03 
     Sn-129m  Pu-241   Fast      7.174210e-03   4.575520e-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