35-Br-74



Spin
     Level energy(keV)   Spin & Parity       
     ----------------------------------------
       ground state      (0-)                  
       1.38000E+01       4(+)                  
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)
     73.929910177 ± 0.000006265 (amu)  [mass excess = -65288.249 ± 5.836 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
     -2956.415 ± 6.173 (keV) 
Strong Gamma-rays from Decay of Br- 74 (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 
  ----------------------------------------------------------
        218.9            18.08         EC 
        634.2            14.1          EC 
        634.8            64.1          EC 
  ----------------------------------------------------------
        634.3            16.42         EC 
        634.8            91.2          EC 
        728.3            35.57         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           25.4 M 3         
       EC           46 M 2           
Evaluated Data Libraries
     Links to the libraries. 

Parent Nuclides by Reactions in JENDL-4.0