64-Gd-143



Spin
     Level energy(keV)   Spin & Parity       
     ----------------------------------------
       ground state      (1/2)+                
       1.52600E+02       (11/2-)               
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)
     142.926750682 ± 0.000215032 (amu)  [mass excess = -68231.300 ± 200.301 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
     -7812.117 ± 206.750 (keV) 
Strong Gamma-rays from Decay of Gd-143 (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 
  ----------------------------------------------------------
        271.94           84.3          EC 
        588.00           15.68         EC 
        798.89           10.71         EC 
  ----------------------------------------------------------
        204.77           19.37         EC 
        258.81           74.8          EC 
        463.7             9.87         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           110.0 S 14       
       EC           39 S 2           
Evaluated Data Libraries
     Links to the libraries. 

Parent Nuclides by Reactions in JENDL-4.0