64-Gd-153



Spin
     Level energy(keV)   Spin & Parity       
     ----------------------------------------
       ground state      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)
     152.921758027 ± 0.000001751 (amu)  [mass excess = -72881.928 ± 1.632 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
     -1568.987 ± 3.852 (keV) 
Strong Gamma-rays from Decay of Gd-153 (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 
  ----------------------------------------------------------
         69.67            2.42         EC 
         97.43           29.           EC 
        103.18           21.11         EC 
  ----------------------------------------------------------
         41.56            9.           IT 
         51.78            4.5          IT 
         93.34            0.99         IT 
  ----------------------------------------------------------
         41.56            9.           IT 
         51.78            4.5          IT 
         76.01           18.9          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           240.4 D 10       
Cross Sections (taken from JENDL-4.0)
     Table of cross sections, Gd-153.
     Figures of cross sections, Gd-153:  type-1:  type-2:  type-3.
       type-1: total, elastic and inelastic scattering, capture and fision cross sections
       type-2: same as type-1 but cross sections are averaged in 70 energy group intervals
       type-3: threshold reaction cross sections
Evaluated Data Libraries
     Links to the libraries. 

Parent Nuclides by Reactions in JENDL-4.0
     Gd-152 (Z= 64, A=152), MT=102 (n,γ)
     Gd-153 (Z= 64, A=153), MT=  2 (Elastic scattering)
     Gd-153 (Z= 64, A=153), MT=  4 (Inelastic scattering)
     Gd-154 (Z= 64, A=154), MT= 16 (n,2n)
     Gd-155 (Z= 64, A=155), MT= 17 (n,3n)
     Dy-154 (Z= 66, A=154), MT=111 (n,2p)
     Dy-156 (Z= 66, A=156), MT=107 (n,α)
     Dy-158 (Z= 66, A=158), MT= 24 (n,2nα)

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)
    -----------------------------------------------------------
     Gd-153    U-235   High      4.325930e-10   2.768600e-10 
     Gd-153    U-238   High      7.558230e-14   4.837270e-14 
     Gd-153   Pu-239   Thermal   2.169650e-12   1.388580e-12 
     Gd-153   Pu-239   Fast      5.019190e-12   3.212280e-12 
     Gd-153   Pu-239   High      4.933200e-08   3.157250e-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)
    -----------------------------------------------------------
     Gd-153    U-235   High      4.325930e-10   2.764500e-10 
     Gd-153    U-238   High      7.558230e-14   4.832030e-14 
     Gd-153   Pu-239   Thermal   2.169650e-12   1.388580e-12 
     Gd-153   Pu-239   Fast      5.019190e-12   3.212280e-12 
     Gd-153   Pu-239   High      4.933200e-08   3.155200e-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