35-Br-91



Spin
     Level energy(keV)   Spin & Parity       
     ----------------------------------------
       ground state                            
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)
     90.934398619 ± 0.000003804 (amu)  [mass excess = -61107.293 ± 3.544 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
     9866.671 ± 4.190 (keV) 
Strong Gamma-rays from Decay of Br- 91 (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 
  ----------------------------------------------------------
        262.7          *100.           B- 
        364.8          * 40.           B- 
        803.3          * 80.           B- 
  ----------------------------------------------------------
     *: 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 
       B-           0.541 S 5        
Evaluated Data Libraries
     Links to the libraries. 

Parent Nuclides by Reactions in JENDL-4.0 Fission Yields for Fission Products in JENDL-4.0 Fission Yield Data

   - Neutron-induced Fission Yields (from main actinide nuclides) - Independent Fission Yield -
     Product  Nuclide  Energy   Fission Yield  Uncertainty(1σ)
    -----------------------------------------------------------
     Br- 91    U-235   Thermal   2.233640e-03   2.457010e-04 
     Br- 91    U-235   Fast      1.359530e-03   8.700950e-04 
     Br- 91    U-235   High      1.482450e-03   9.487690e-04 
     Br- 91    U-238   Fast      7.593230e-03   4.859670e-03 
     Br- 91    U-238   High      4.461630e-03   2.855440e-03 
     Br- 91   Pu-239   Thermal   1.983390e-04   1.269370e-04 
     Br- 91   Pu-239   Fast      3.264170e-04   2.089070e-04 
     Br- 91   Pu-239   High      4.313400e-04   2.760570e-04 
     Br- 91   Pu-241   Thermal   5.621110e-04   3.597510e-04 
     Br- 91   Pu-241   Fast      9.200380e-04   5.888240e-04 
    -----------------------------------------------------------
    Thermal=0.0253eV, Fast=500keV(Fast reactor spectrum), High=14MeV
   - Neutron-induced Fission Yields (from main actinide nuclides) - Cumulative Fission Yield -
     Product  Nuclide  Energy   Fission Yield  Uncertainty(1σ)
    -----------------------------------------------------------
     Br- 91    U-235   Thermal   2.238830e-03   2.466490e-04 
     Br- 91    U-235   Fast      1.366990e-03   8.748730e-04 
     Br- 91    U-235   High      1.493810e-03   9.543970e-04 
     Br- 91    U-238   Fast      7.740060e-03   3.479690e-03 
     Br- 91    U-238   High      4.529820e-03   2.894590e-03 
     Br- 91   Pu-239   Thermal   1.987900e-04   6.347900e-05 
     Br- 91   Pu-239   Fast      3.272750e-04   2.094560e-04 
     Br- 91   Pu-239   High      4.344310e-04   2.777860e-04 
     Br- 91   Pu-241   Thermal   5.641080e-04   3.609340e-04 
     Br- 91   Pu-241   Fast      9.253850e-04   5.922460e-04 
    -----------------------------------------------------------
    Thermal=0.0253eV, Fast=500keV(Fast reactor spectrum), High=14MeV
      → Neutron-induced and Spontaneous Fission Yields of all nuclides in JENDL-4.0 Fission Yield Data