34-Se-73



Spin
     Level energy(keV)   Spin & Parity       
     ----------------------------------------
       ground state      9/2+                  
       2.57100E+01       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)
     72.926754882 ± 0.000007969 (amu)  [mass excess = -68227.388 ± 7.424 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
     -4579.803 ± 10.388 (keV) 
Strong Gamma-rays from Decay of Se- 73 (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 
  ----------------------------------------------------------
         25.71            0.01         IT 
  ----------------------------------------------------------
         67.07           69.84         EC 
        361.2            97.           EC 
     ~  510.              0.27         EC 
  ----------------------------------------------------------
         67.07            2.59         EC 
         84.0             2.03         EC 
        253.70            2.36         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           39.8 M 13        
       EC           7.15 H 8         
       IT           39.8 M 13        
Evaluated Data Libraries
     Links to the libraries. 

Parent Nuclides by Reactions in JENDL-4.0
     Se- 74 (Z= 34, A= 74), MT= 16 (n,2n)