53-I-125



Spin
     Level energy(keV)   Spin & Parity       
     ----------------------------------------
       ground state      5/2+                  
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)
     124.904629353 ± 0.000001615 (amu)  [mass excess = -88837.185 ± 1.505 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
     -1644.173 ± 2.199 (keV) 
Strong Gamma-rays from Decay of I-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 
  ----------------------------------------------------------
         35.49            6.68         EC 
  ----------------------------------------------------------
     *: 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 
       EC           59.400 D 10      
Evaluated Data Libraries
     Links to the libraries. 

Parent Nuclides by Reactions in JENDL-4.0
     I -127 (Z= 53, A=127), MT= 17 (n,3n)
     Xe-126 (Z= 54, A=126), MT= 28 (n,np)
     Xe-126 (Z= 54, A=126), MT=104 (n,d)

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)
    -----------------------------------------------------------
      I-125    U-235   High      2.112890e-09   1.352260e-09 
      I-125    U-238   Fast      9.983720e-14   6.389580e-14 
      I-125    U-238   High      2.793040e-12   1.787550e-12 
      I-125   Pu-239   High      2.241450e-07   1.434530e-07 
    -----------------------------------------------------------
    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)
    -----------------------------------------------------------
      I-125    U-235   High      2.113040e-09   1.350250e-09 
      I-125    U-238   Fast      9.983720e-14   6.387240e-14 
      I-125    U-238   High      2.793040e-12   1.785610e-12 
      I-125   Pu-239   High      2.242360e-07   1.433600e-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