Level energy(keV)   Spin & Parity       
       ground state      11/2-                 
       2.75000E+01       3/2+                  
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)
     124.907786395 ± 0.000001109 (amu)  [mass excess = -85896.420 ± 1.034 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
     2359.836 ± 2.611 (keV) 
Strong Gamma-rays from Decay of Sn-125 (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 
        331.94           97.3          B- 
        589.61            0.19         B- 
       1404.06            0.68         B- 
        385.9          * 46.           IT 
        791.6          * 55.           IT 
       1087.7          *100.           IT 
        822.48            4.28         B- 
       1067.10            9.7          B- 
       1089.15            4.59         B- 
        792.8          * 40.           IT 
        805.5          * 40.           IT 
       1087.5          * 81.           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 
       B-           9.52 M 5         
       B-           9.64 D 3         
Evaluated Data Libraries
     Links to the libraries. 

Parent Nuclides by Reactions in JENDL-4.0
     Sn-124 (Z= 50, A=124), MT=102 (n,γ)
     Sn-126 (Z= 50, A=126), MT= 16 (n,2n)
     Sb-125 (Z= 51, A=125), MT=103 (n,p)
     Sb-126 (Z= 51, A=126), MT= 28 (n,np)
     Sb-126 (Z= 51, A=126), MT=104 (n,d)
     Te-128 (Z= 52, A=128), MT=107 (n,α)
     Te-129 (Z= 52, A=129), 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)
     Sn-125    U-235   Thermal   1.341240e-04   1.072990e-05 
     Sn-125    U-235   Fast      2.262780e-04   1.448190e-04 
     Sn-125    U-235   High      4.706520e-03   1.506090e-03 
     Sn-125    U-238   Fast      6.761550e-05   4.327400e-05 
     Sn-125    U-238   High      1.001280e-03   6.408210e-04 
     Sn-125   Pu-239   Thermal   5.428120e-04   3.474000e-04 
     Sn-125   Pu-239   Fast      9.008950e-04   5.765730e-04 
     Sn-125   Pu-239   High      8.031320e-03   5.140040e-03 
     Sn-125   Pu-241   Thermal   1.354410e-04   8.668200e-05 
     Sn-125   Pu-241   Fast      5.716290e-04   3.658430e-04 
     Sn-125m   U-235   Thermal   5.558450e-05   8.893480e-06 
     Sn-125m   U-235   Fast      8.074790e-05   5.167870e-05 
     Sn-125m   U-235   High      1.026150e-03   6.567340e-04 
     Sn-125m   U-238   Fast      2.412870e-05   1.544240e-05 
     Sn-125m   U-238   High      2.183060e-04   1.397160e-04 
     Sn-125m  Pu-239   Thermal   2.249560e-04   1.439720e-04 
     Sn-125m  Pu-239   Fast      3.214860e-04   2.057510e-04 
     Sn-125m  Pu-239   High      1.751040e-03   1.120670e-03 
     Sn-125m  Pu-241   Thermal   5.613030e-05   3.592340e-05 
     Sn-125m  Pu-241   Fast      2.039870e-04   1.305510e-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)
     Sn-125    U-235   Thermal   1.455320e-04   6.429810e-05 
     Sn-125    U-235   Fast      2.600810e-04   1.170360e-04 
     Sn-125    U-235   High      5.475790e-03   3.285470e-04 
     Sn-125    U-238   Fast      9.975630e-05   5.985370e-06 
     Sn-125    U-238   High      1.866360e-03   1.119820e-04 
     Sn-125   Pu-239   Thermal   5.733410e-04   1.811620e-04 
     Sn-125   Pu-239   Fast      9.508570e-04   6.085480e-04 
     Sn-125   Pu-239   High      8.747060e-03   4.901140e-03 
     Sn-125   Pu-241   Thermal   1.600890e-04   9.605340e-06 
     Sn-125   Pu-241   Fast      6.384660e-04   4.086180e-04 
     Sn-125m   U-235   Thermal   1.938580e-04   6.408280e-05 
     Sn-125m   U-235   Fast      4.184370e-04   1.932900e-04 
     Sn-125m   U-235   High      8.814130e-03   4.248380e-03 
     Sn-125m   U-238   Fast      3.840630e-04   1.784340e-04 
     Sn-125m   U-238   High      1.007830e-02   4.677860e-03 
     Sn-125m  Pu-239   Thermal   5.364890e-04   2.897780e-04 
     Sn-125m  Pu-239   Fast      8.179460e-04   4.412540e-04 
     Sn-125m  Pu-239   High      8.690800e-03   4.000070e-03 
     Sn-125m  Pu-241   Thermal   3.087170e-04   1.437870e-04 
     Sn-125m  Pu-241   Fast      8.695600e-04   3.940820e-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