39-Y-90



Spin
     Level energy(keV)   Spin & Parity       
     ----------------------------------------
       ground state      2-                    
       6.82040E+02       7+                    
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)
     89.907143942 ± 0.000002397 (amu)  [mass excess = -86494.860 ± 2.233 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
     2278.698 ± 1.647 (keV) 
Strong Gamma-rays from Decay of Y- 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 
  ----------------------------------------------------------
        202.53           97.25         IT 
        479.51           90.74         IT 
        681.8             0.32         IT 
       2318.97          2.E-03         B- 
  ----------------------------------------------------------
       1760.70            --           B- 
       2186.24          1.E-06         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-           3.19 H 1         
       B-           64.00 H 21       
       IT           3.19 H 6         
Cross Sections (taken from JENDL-4.0)
     Table of cross sections, Y-90.
     Figures of cross sections, Y-90:  type-1:  type-2:  type-3.
       type-1: total, elastic and inelastic scattering, capture and fision cross sections
       type-2: same as type-1 but cross sections are averaged in 70 energy group intervals
       type-3: threshold reaction cross sections
Evaluated Data Libraries
     Links to the libraries. 

Parent Nuclides by Reactions in JENDL-4.0
     Y - 89 (Z= 39, A= 89), MT=102 (n,γ)
     Y - 90 (Z= 39, A= 90), MT=  2 (Elastic scattering)
     Y - 90 (Z= 39, A= 90), MT=  4 (Inelastic scattering)
     Y - 91 (Z= 39, A= 91), MT= 16 (n,2n)
     Zr- 90 (Z= 40, A= 90), MT=103 (n,p)
     Zr- 91 (Z= 40, A= 91), MT= 28 (n,np)
     Zr- 91 (Z= 40, A= 91), MT=104 (n,d)
     Zr- 92 (Z= 40, A= 92), MT= 32 (n,nd)
     Zr- 92 (Z= 40, A= 92), MT=105 (n,t)
     Nb- 93 (Z= 41, A= 93), MT=107 (n,α)
     Nb- 94 (Z= 41, A= 94), MT= 22 (n,nα)

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)
    -----------------------------------------------------------
      Y- 90    U-235   Thermal   3.698720e-08   2.367180e-08 
      Y- 90    U-235   Fast      1.713120e-08   1.096400e-08 
      Y- 90    U-235   High      2.629870e-06   1.683110e-06 
      Y- 90    U-238   Fast      9.091610e-10   5.818620e-10 
      Y- 90    U-238   High      3.889230e-08   2.489110e-08 
      Y- 90   Pu-239   Thermal   7.969640e-07   5.100570e-07 
      Y- 90   Pu-239   Fast      3.642170e-07   2.330990e-07 
      Y- 90   Pu-239   High      5.344050e-06   3.420190e-06 
      Y- 90   Pu-241   Thermal   2.879080e-08   1.842610e-08 
      Y- 90   Pu-241   Fast      1.083790e-08   6.936220e-09 
    -----------------------------------------------------------
      Y- 90m   U-235   Thermal   5.257020e-08   3.364500e-08 
      Y- 90m   U-235   Fast      2.867420e-08   1.835150e-08 
      Y- 90m   U-235   High      7.524060e-06   4.815390e-06 
      Y- 90m   U-238   Fast      1.521750e-09   9.739180e-10 
      Y- 90m   U-238   High      1.112710e-07   7.121350e-08 
      Y- 90m  Pu-239   Thermal   1.132730e-06   7.249480e-07 
      Y- 90m  Pu-239   Fast      6.096250e-07   3.901610e-07 
      Y- 90m  Pu-239   High      1.528930e-05   9.785170e-06 
      Y- 90m  Pu-241   Thermal   4.092050e-08   2.618910e-08 
      Y- 90m  Pu-241   Fast      1.814040e-08   1.160980e-08 
    -----------------------------------------------------------
    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)
    -----------------------------------------------------------
      Y- 90    U-235   Thermal   5.772090e-02   5.865150e-04 
      Y- 90    U-235   Fast      5.452160e-02   4.035280e-04 
      Y- 90    U-235   High      4.599230e-02   1.838290e-03 
      Y- 90    U-238   Fast      3.246620e-02   4.545850e-04 
      Y- 90    U-238   High      3.191430e-02   1.275970e-03 
      Y- 90   Pu-239   Thermal   2.103390e-02   4.209390e-04 
      Y- 90   Pu-239   Fast      2.047910e-02   1.434940e-04 
      Y- 90   Pu-239   High      2.103750e-02   3.363640e-03 
      Y- 90   Pu-241   Thermal   1.535540e-02   2.150330e-04 
      Y- 90   Pu-241   Fast      1.549330e-02   6.205710e-04 
    -----------------------------------------------------------
      Y- 90m   U-235   Thermal   5.257020e-08   3.364500e-08 
      Y- 90m   U-235   Fast      2.867420e-08   1.835150e-08 
      Y- 90m   U-235   High      7.524060e-06   4.808260e-06 
      Y- 90m   U-238   Fast      1.521750e-09   9.735620e-10 
      Y- 90m   U-238   High      1.112710e-07   7.113640e-08 
      Y- 90m  Pu-239   Thermal   1.132730e-06   7.249480e-07 
      Y- 90m  Pu-239   Fast      6.096250e-07   3.901610e-07 
      Y- 90m  Pu-239   High      1.528930e-05   9.778830e-06 
      Y- 90m  Pu-241   Thermal   4.092050e-08   2.618490e-08 
      Y- 90m  Pu-241   Fast      1.814040e-08   1.160980e-08 
    -----------------------------------------------------------
    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