63-Eu-148



Spin
     Level energy(keV)   Spin & Parity       
     ----------------------------------------
       ground state      5-                    
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)
     147.918089243 ± 0.000010769 (amu)  [mass excess = -76299.378 ± 10.032 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
     -30.057 ± 10.037 (keV) 
Strong Gamma-rays from Decay of Eu-148 (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 
  ----------------------------------------------------------
        550.28           98.5          EC 
        611.29           20.49         EC 
        629.99           71.9          EC 
  ----------------------------------------------------------
        232.8            61.88         IT 
        396.2            29.24         IT 
        475.6            68.           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           54.5 D 5         
Evaluated Data Libraries
     Links to the libraries. 

Parent Nuclides by Reactions in JENDL-4.0