52-Te-137



Spin
     Level energy(keV)   Spin & Parity       
     ----------------------------------------
       ground state      (7/2-)                
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)
     136.925598852 ± 0.000002700 (amu)  [mass excess = -69304.222 ± 2.515 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
     7052.029 ± 8.753 (keV) 
Strong Gamma-rays from Decay of Te-137 (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 
  ----------------------------------------------------------
        243.3          *1000.          B- 
        469.1          *205.           B- 
        554.0          *336.           B- 
        578.6             --          B-,N
        630.7             --          B-,N
        738.2             --          B-,N
  ----------------------------------------------------------
     *: 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-           2.49 S 5         
Evaluated Data Libraries
     Links to the libraries. 

Parent Nuclides by Reactions in JENDL-4.0 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)
    -----------------------------------------------------------
     Te-137    U-235   Thermal   3.917900e-03   3.134320e-04 
     Te-137    U-235   Fast      1.604830e-03   1.027090e-03 
     Te-137    U-235   High      7.941180e-04   5.082360e-04 
     Te-137    U-238   Fast      1.568350e-02   5.018750e-03 
     Te-137    U-238   High      5.177810e-03   3.313790e-03 
     Te-137   Pu-239   Thermal   1.292940e-03   8.274860e-04 
     Te-137   Pu-239   Fast      1.152670e-03   7.377110e-04 
     Te-137   Pu-239   High      2.826230e-04   1.808790e-04 
     Te-137   Pu-241   Thermal   5.122420e-03   3.278350e-03 
     Te-137   Pu-241   Fast      5.454240e-03   3.490720e-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)
    -----------------------------------------------------------
     Te-137    U-235   Thermal   4.511790e-03   4.991250e-04 
     Te-137    U-235   Fast      1.611550e-03   1.031390e-03 
     Te-137    U-235   High      7.982460e-04   5.101830e-04 
     Te-137    U-238   Fast      1.599060e-02   3.678240e-03 
     Te-137    U-238   High      5.251440e-03   2.361400e-03 
     Te-137   Pu-239   Thermal   1.295140e-03   8.288930e-04 
     Te-137   Pu-239   Fast      1.154760e-03   7.390470e-04 
     Te-137   Pu-239   High      2.838170e-04   1.815420e-04 
     Te-137   Pu-241   Thermal   5.144260e-03   3.292140e-03 
     Te-137   Pu-241   Fast      5.479740e-03   2.468030e-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