64-Gd-151



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)
     150.920355950 ± 0.000003481 (amu)  [mass excess = -74187.955 ± 3.243 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
     -2565.008 ± 3.763 (keV) 
Strong Gamma-rays from Decay of Gd-151 (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 
  ----------------------------------------------------------
        153.60            6.2          EC 
        174.70            2.96         EC 
        243.29            5.6          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           123.9 D 10       
Evaluated Data Libraries
     Links to the libraries. 

Parent Nuclides by Reactions in JENDL-4.0
     Gd-152 (Z= 64, A=152), MT= 16 (n,2n)
     Gd-153 (Z= 64, A=153), MT= 17 (n,3n)
     Dy-154 (Z= 66, A=154), MT=107 (n,α)
     Dy-156 (Z= 66, A=156), 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-151    U-235   High      4.065570e-13   2.601970e-13 
     Gd-151   Pu-239   High      1.530990e-10   9.798350e-11 
    -----------------------------------------------------------
    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-151    U-235   High      4.065570e-13   2.598120e-13 
     Gd-151   Pu-239   High      1.530990e-10   9.792000e-11 
    -----------------------------------------------------------
    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