36-Kr-91



Spin
     Level energy(keV)   Spin & Parity       
     ----------------------------------------
       ground state      5/2(+)                
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)
     90.923806311 ± 0.000002400 (amu)  [mass excess = -70973.964 ± 2.236 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
     6771.161 ± 8.121 (keV) 
Strong Gamma-rays from Decay of Kr- 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 
  ----------------------------------------------------------
        108.79           43.5          B- 
        506.59           19.14         B- 
        612.87            7.7          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-           8.57 S 4         
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)
    -----------------------------------------------------------
     Kr- 91    U-235   Thermal   3.151190e-02   3.151190e-04 
     Kr- 91    U-235   Fast      2.910220e-02   1.164090e-03 
     Kr- 91    U-235   High      1.651320e-02   1.321050e-03 
     Kr- 91    U-238   Fast      2.617940e-02   2.879730e-03 
     Kr- 91    U-238   High      2.094950e-02   1.675960e-03 
     Kr- 91   Pu-239   Thermal   6.968030e-03   1.393610e-04 
     Kr- 91   Pu-239   Fast      9.384650e-03   6.006170e-03 
     Kr- 91   Pu-239   High      6.009080e-03   3.845810e-03 
     Kr- 91   Pu-241   Thermal   9.248140e-03   3.699260e-04 
     Kr- 91   Pu-241   Fast      1.135960e-02   3.635060e-03 
    -----------------------------------------------------------
    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)
    -----------------------------------------------------------
     Kr- 91    U-235   Thermal   3.342660e-02   3.454630e-04 
     Kr- 91    U-235   Fast      3.028600e-02   8.549330e-04 
     Kr- 91    U-235   High      1.783110e-02   1.070400e-03 
     Kr- 91    U-238   Fast      3.325800e-02   2.026470e-03 
     Kr- 91    U-238   High      2.508130e-02   1.015880e-03 
     Kr- 91   Pu-239   Thermal   7.138330e-03   1.428890e-04 
     Kr- 91   Pu-239   Fast      9.667370e-03   4.353550e-03 
     Kr- 91   Pu-239   High      6.397810e-03   2.882610e-03 
     Kr- 91   Pu-241   Thermal   9.749050e-03   3.906930e-04 
     Kr- 91   Pu-241   Fast      1.217950e-02   2.808910e-03 
    -----------------------------------------------------------
    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