39-Y-88



Spin
     Level energy(keV)   Spin & Parity       
     ----------------------------------------
       ground state      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)
     87.909501563 ± 0.000001987 (amu)  [mass excess = -84298.751 ± 1.851 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
     -670.422 ± 5.739 (keV) 
Strong Gamma-rays from Decay of Y- 88 (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 
  ----------------------------------------------------------
        231.93           98.09         IT 
        442.62           98.27         IT 
  ----------------------------------------------------------
        392.87           97.3          IT 
  ----------------------------------------------------------
        898.04           93.68         B+ 
       1836.06           99.24         B+ 
       2734.0             0.71         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+           106.626 D 21     
       IT           13.97 MS 18      
Evaluated Data Libraries
     Links to the libraries. 

Parent Nuclides by Reactions in JENDL-4.0
     Y - 89 (Z= 39, A= 89), MT= 16 (n,2n)
     Y - 90 (Z= 39, A= 90), MT= 17 (n,3n)
     Zr- 90 (Z= 40, A= 90), MT= 32 (n,nd)
     Zr- 90 (Z= 40, A= 90), MT=105 (n,t)

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- 88    U-235   Thermal   1.697300e-11   1.086270e-11 
      Y- 88    U-235   Fast      7.265000e-12   4.649600e-12 
      Y- 88    U-235   High      2.092870e-08   1.339440e-08 
      Y- 88    U-238   Fast      2.090780e-13   1.338100e-13 
      Y- 88    U-238   High      9.440280e-11   6.041780e-11 
      Y- 88   Pu-239   Thermal   1.789720e-09   1.145420e-09 
      Y- 88   Pu-239   Fast      6.448960e-10   4.127330e-10 
      Y- 88   Pu-239   High      1.300840e-07   8.325400e-08 
      Y- 88   Pu-241   Thermal   2.470400e-11   1.581060e-11 
      Y- 88   Pu-241   Fast      6.245300e-12   3.996990e-12 
    -----------------------------------------------------------
    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- 88    U-235   Thermal   1.697300e-11   1.086270e-11 
      Y- 88    U-235   Fast      7.265000e-12   4.649600e-12 
      Y- 88    U-235   High      2.093080e-08   1.337450e-08 
      Y- 88    U-238   Fast      2.090780e-13   1.337610e-13 
      Y- 88    U-238   High      9.440280e-11   6.035240e-11 
      Y- 88   Pu-239   Thermal   1.789770e-09   1.145450e-09 
      Y- 88   Pu-239   Fast      6.449090e-10   4.127420e-10 
      Y- 88   Pu-239   High      1.301270e-07   8.320010e-08 
      Y- 88   Pu-241   Thermal   2.470400e-11   1.580800e-11 
      Y- 88   Pu-241   Fast      6.245300e-12   3.996990e-12 
    -----------------------------------------------------------
    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