Level energy(keV)   Spin & Parity       
       ground state      0-                    
       1.06900E+02       3-                    
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)
     89.914798453 ± 0.000006993 (amu)  [mass excess = -79364.730 ± 6.515 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
     6584.187 ± 6.606 (keV) 
Strong Gamma-rays from Decay of Rb- 90 (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 
        831.69           39.9          B- 
       1060.70            9.54         B- 
       4365.90            7.98         B- 
        831.69           94.09         B- 
       1375.36           16.65         B- 
       3317.00           14.3          B- 
        106.92            0.22         IT 
     *: 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-           158 S 5          
       B-           258 S 4          
       IT           258 S 4          
Evaluated Data Libraries
     Links to the libraries. 

Parent Nuclides by Reactions in JENDL-4.0
     Sr- 90 (Z= 38, A= 90), MT=103 (n,p)

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)
     Rb- 90    U-235   Thermal   1.620400e-03   9.722420e-05 
     Rb- 90    U-235   Fast      1.395670e-03   8.932310e-04 
     Rb- 90    U-235   High      1.720970e-03   1.101420e-03 
     Rb- 90    U-238   Fast      2.885130e-04   1.846480e-04 
     Rb- 90    U-238   High      4.909500e-04   3.142080e-04 
     Rb- 90   Pu-239   Thermal   1.430030e-03   9.152220e-04 
     Rb- 90   Pu-239   Fast      9.925090e-04   6.352060e-04 
     Rb- 90   Pu-239   High      9.904410e-04   6.338820e-04 
     Rb- 90   Pu-241   Thermal   6.092630e-04   3.899280e-04 
     Rb- 90   Pu-241   Fast      3.510030e-04   2.246420e-04 
     Rb- 90m   U-235   Thermal   6.819190e-03   4.364280e-03 
     Rb- 90m   U-235   Fast      6.766170e-03   4.330350e-03 
     Rb- 90m   U-235   High      1.350890e-02   4.322850e-03 
     Rb- 90m   U-238   Fast      1.398700e-03   8.951650e-04 
     Rb- 90m   U-238   High      3.853740e-03   2.466390e-03 
     Rb- 90m  Pu-239   Thermal   6.018060e-03   3.851550e-03 
     Rb- 90m  Pu-239   Fast      4.811640e-03   3.079450e-03 
     Rb- 90m  Pu-239   High      7.774520e-03   4.975700e-03 
     Rb- 90m  Pu-241   Thermal   2.563980e-03   1.640940e-03 
     Rb- 90m  Pu-241   Fast      1.701640e-03   1.089060e-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)
     Rb- 90    U-235   Thermal   4.457440e-02   9.087140e-04 
     Rb- 90    U-235   Fast      4.212070e-02   1.827460e-03 
     Rb- 90    U-235   High      2.817860e-02   4.570110e-03 
     Rb- 90    U-238   Fast      2.743660e-02   2.253430e-03 
     Rb- 90    U-238   High      2.480330e-02   1.537990e-03 
     Rb- 90   Pu-239   Thermal   1.270250e-02   2.063010e-03 
     Rb- 90   Pu-239   Fast      1.364900e-02   3.183110e-03 
     Rb- 90   Pu-239   High      1.096110e-02   3.550240e-03 
     Rb- 90   Pu-241   Thermal   1.133550e-02   9.296800e-04 
     Rb- 90   Pu-241   Fast      1.219240e-02   2.848330e-03 
     Rb- 90m   U-235   Thermal   1.274170e-02   5.509310e-03 
     Rb- 90m   U-235   Fast      1.238030e-02   3.829650e-03 
     Rb- 90m   U-235   High      1.712340e-02   3.869810e-03 
     Rb- 90m   U-238   Fast      5.152370e-03   1.574510e-03 
     Rb- 90m   U-238   High      7.205960e-03   4.409920e-03 
     Rb- 90m  Pu-239   Thermal   7.557090e-03   4.743110e-03 
     Rb- 90m  Pu-239   Fast      6.546630e-03   4.084910e-03 
     Rb- 90m  Pu-239   High      9.127000e-03   4.047210e-03 
     Rb- 90m  Pu-241   Thermal   4.039820e-03   2.496770e-03 
     Rb- 90m  Pu-241   Fast      3.334980e-03   1.438410e-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