26-Fe-55



Spin
     Level energy(keV)   Spin & Parity       
     ----------------------------------------
       ground state      3/2-                  
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)
     54.938291994 ± 0.000000506 (amu)  [mass excess = -57480.637 ± 0.472 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
     -3451.379 ± 0.324 (keV) 
Strong Gamma-rays from Decay of Fe- 55 (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 
  ----------------------------------------------------------
        126.0           1.E-07         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           2.744 Y 9        
Evaluated Data Libraries
     Links to the libraries. 

Parent Nuclides by Reactions in JENDL-4.0
     Fe- 54 (Z= 26, A= 54), MT=102 (n,γ)
     Fe- 56 (Z= 26, A= 56), MT= 16 (n,2n)
     Ni- 58 (Z= 28, A= 58), MT=107 (n,α)
     Ni- 59 (Z= 28, A= 59), MT= 22 (n,nα)