26-Fe-53



Spin
     Level energy(keV)   Spin & Parity       
     ----------------------------------------
       ground state      7/2-                  
       3.04040E+03       19/2-                 
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)
     52.945306428 ± 0.000001832 (amu)  [mass excess = -50946.734 ± 1.707 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
     -8288.106 ± 0.443 (keV) 
Strong Gamma-rays from Decay of Fe- 53 (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 
  ----------------------------------------------------------
        377.9            42.           EC 
       1619.9             0.5          EC 
       2273.5             0.38         EC 
  ----------------------------------------------------------
        701.1           100.           IT 
       1011.5            86.           IT 
       1328.1            87.           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           8.51 M 2         
       IT           2.54 M 2         
Evaluated Data Libraries
     Links to the libraries. 

Parent Nuclides by Reactions in JENDL-4.0
     Fe- 54 (Z= 26, A= 54), MT= 16 (n,2n)