68-Er-151



Spin
     Level energy(keV)   Spin & Parity       
     ----------------------------------------
       ground state      (7/2-)                
       2.58600E+03       (27/2-)               
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)
     150.937448567 ± 0.000017681 (amu)  [mass excess = -58266.284 ± 16.470 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
     -7488.567 ± 25.648 (keV) 
Strong Gamma-rays from Decay of Er-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 
  ----------------------------------------------------------
        256.5            17.06         EC 
        638.3            32.8          EC 
        667.2            16.73         EC 
  ----------------------------------------------------------
        288.7            86.27         IT 
       1098.9            86.37         IT 
       1140.2            86.97         IT 
        296.9             3.7          EC 
        597.4             4.4          EC 
        789.3             5.1          EC 
  ----------------------------------------------------------
       1099.9             --           IT 
       1140.2             --           IT 
       1244.1             --           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           23.5 S 20        
       EC           0.58 S 2         
       IT           0.58 S 2         
Evaluated Data Libraries
     Links to the libraries. 

Parent Nuclides by Reactions in JENDL-4.0