54-Xe-140



Spin
     Level energy(keV)   Spin & Parity       
     ----------------------------------------
       ground state      0+                    
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)
     139.921645817 ± 0.000002500 (amu)  [mass excess = -72986.451 ± 2.329 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
     4063.879 ± 8.526 (keV) 
Strong Gamma-rays from Decay of Xe-140 (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 
  ----------------------------------------------------------
        805.52           20.           B- 
       1315.05            8.2          B- 
       1413.66           12.2          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-           13.60 S 10       
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)
    -----------------------------------------------------------
     Xe-140    U-235   Thermal   3.500430e-02   9.801210e-04 
     Xe-140    U-235   Fast      2.582150e-02   1.032870e-03 
     Xe-140    U-235   High      9.139120e-03   5.483470e-04 
     Xe-140    U-238   Fast      4.038890e-02   4.442780e-03 
     Xe-140    U-238   High      2.401140e-02   1.440680e-03 
     Xe-140   Pu-239   Thermal   1.540250e-02   4.312690e-04 
     Xe-140   Pu-239   Fast      1.618910e-02   5.180500e-03 
     Xe-140   Pu-239   High      4.035030e-03   2.582410e-03 
     Xe-140   Pu-241   Thermal   3.100620e-02   1.240250e-03 
     Xe-140   Pu-241   Fast      3.145300e-02   1.006490e-02 
    -----------------------------------------------------------
    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)
    -----------------------------------------------------------
     Xe-140    U-235   Thermal   3.647240e-02   7.337460e-04 
     Xe-140    U-235   Fast      2.687280e-02   7.561380e-04 
     Xe-140    U-235   High      9.358490e-03   3.740430e-04 
     Xe-140    U-238   Fast      4.898350e-02   2.938680e-03 
     Xe-140    U-238   High      2.739390e-02   1.095030e-03 
     Xe-140   Pu-239   Thermal   1.595750e-02   3.192210e-04 
     Xe-140   Pu-239   Fast      1.648570e-02   3.792330e-03 
     Xe-140   Pu-239   High      4.143910e-03   2.650460e-03 
     Xe-140   Pu-241   Thermal   3.298220e-02   9.234160e-04 
     Xe-140   Pu-241   Fast      3.320420e-02   7.643150e-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