59-Pr-140



Spin
     Level energy(keV)   Spin & Parity       
     ----------------------------------------
       ground state      1+                    
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)
     139.909080275 ± 0.000006853 (amu)  [mass excess = -84691.178 ± 6.384 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
     -437.406 ± 26.786 (keV) 
Strong Gamma-rays from Decay of Pr-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 
  ----------------------------------------------------------
        306.9             0.15         EC 
        751.8             0.03         EC 
       1596.1             0.49         EC 
  ----------------------------------------------------------
         98.5             --           IT 
        635.9             --           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 
       EC           3.39 M 1         
Evaluated Data Libraries
     Links to the libraries. 

Parent Nuclides by Reactions in JENDL-4.0
     Pr-141 (Z= 59, A=141), MT= 16 (n,2n)
     Nd-142 (Z= 60, A=142), MT= 32 (n,nd)
     Nd-142 (Z= 60, A=142), MT=105 (n,t)
     Sm-144 (Z= 62, A=144), MT=112 (n,pα)

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)
    -----------------------------------------------------------
     Pr-140    U-235   High      6.569010e-10   4.204160e-10 
     Pr-140    U-238   High      1.842010e-13   1.178890e-13 
     Pr-140   Pu-239   Thermal   3.769400e-12   2.412420e-12 
     Pr-140   Pu-239   Fast      3.539430e-12   2.265230e-12 
     Pr-140   Pu-239   High      3.172060e-08   2.030120e-08 
    -----------------------------------------------------------
    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)
    -----------------------------------------------------------
     Pr-140    U-235   High      6.569010e-10   4.197930e-10 
     Pr-140    U-238   High      1.842010e-13   1.177610e-13 
     Pr-140   Pu-239   Thermal   3.769400e-12   2.412420e-12 
     Pr-140   Pu-239   Fast      3.539430e-12   2.265230e-12 
     Pr-140   Pu-239   High      3.172060e-08   2.028800e-08 
    -----------------------------------------------------------
    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