39-Y-89



Spin
     Level energy(keV)   Spin & Parity       
     ----------------------------------------
       ground state      1/2-                  
       9.08960E+02       9/2+                  
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)
     88.905840348 ± 0.000002397 (amu)  [mass excess = -87709.151 ± 2.233 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
     -2832.760 ± 2.776 (keV) 
Strong Gamma-rays from Decay of Y- 89 (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 
  ----------------------------------------------------------
        908.96           99.16         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 
       IT           15.663 S 5       
Cross Sections (taken from JENDL-4.0)
     Table of cross sections, Y-89.
     Figures of cross sections, Y-89:  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=  2 (Elastic scattering)
     Y - 89 (Z= 39, A= 89), MT=  4 (Inelastic scattering)
     Y - 90 (Z= 39, A= 90), MT= 16 (n,2n)
     Y - 91 (Z= 39, A= 91), MT= 17 (n,3n)
     Zr- 90 (Z= 40, A= 90), MT= 28 (n,np)
     Zr- 90 (Z= 40, A= 90), MT=104 (n,d)
     Zr- 91 (Z= 40, A= 91), MT= 32 (n,nd)
     Zr- 91 (Z= 40, A= 91), MT=105 (n,t)
     Zr- 92 (Z= 40, A= 92), MT= 33 (n,nt)
     Nb- 93 (Z= 41, A= 93), 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- 89    U-235   Thermal   4.354670e-10   2.786990e-10 
      Y- 89    U-235   Fast      1.361350e-10   8.712620e-11 
      Y- 89    U-235   High      5.834240e-08   3.733920e-08 
      Y- 89    U-238   Fast      5.426750e-12   3.473110e-12 
      Y- 89    U-238   High      6.110650e-10   3.910820e-10 
      Y- 89   Pu-239   Thermal   1.612790e-08   1.032190e-08 
      Y- 89   Pu-239   Fast      6.293950e-09   4.028130e-09 
      Y- 89   Pu-239   High      2.177570e-07   1.393650e-07 
      Y- 89   Pu-241   Thermal   3.087460e-10   1.975970e-10 
      Y- 89   Pu-241   Fast      1.116360e-10   7.144710e-11 
    -----------------------------------------------------------
      Y- 89m   U-235   Thermal   1.880850e-09   1.203740e-09 
      Y- 89m   U-235   Fast      6.741920e-10   4.314830e-10 
      Y- 89m   U-235   High      4.625720e-07   2.960450e-07 
      Y- 89m   U-238   Fast      2.687530e-11   1.720020e-11 
      Y- 89m   U-238   High      4.844880e-09   3.100720e-09 
      Y- 89m  Pu-239   Thermal   6.965860e-08   4.458160e-08 
      Y- 89m  Pu-239   Fast      3.117000e-08   1.994870e-08 
      Y- 89m  Pu-239   High      1.726500e-06   1.104960e-06 
      Y- 89m  Pu-241   Thermal   1.333520e-09   8.534520e-10 
      Y- 89m  Pu-241   Fast      5.528640e-10   3.538330e-10 
    -----------------------------------------------------------
    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- 89    U-235   Thermal   4.725010e-02   4.795440e-04 
      Y- 89    U-235   Fast      4.363980e-02   6.199340e-04 
      Y- 89    U-235   High      4.127890e-02   1.155530e-03 
      Y- 89    U-238   Fast      2.761730e-02   3.866050e-04 
      Y- 89    U-238   High      2.924200e-02   5.849970e-04 
      Y- 89   Pu-239   Thermal   1.722490e-02   3.445740e-04 
      Y- 89   Pu-239   Fast      1.724760e-02   3.451100e-04 
      Y- 89   Pu-239   High      2.069450e-02   8.274640e-04 
      Y- 89   Pu-241   Thermal   1.233130e-02   3.452600e-04 
      Y- 89   Pu-241   Fast      1.280870e-02   7.694140e-04 
    -----------------------------------------------------------
      Y- 89m   U-235   Thermal   7.089400e-06   2.360200e-06 
      Y- 89m   U-235   Fast      6.546640e-06   2.177540e-06 
      Y- 89m   U-235   High      6.654440e-06   2.126780e-06 
      Y- 89m   U-238   Fast      4.142620e-06   1.383140e-06 
      Y- 89m   U-238   High      4.391140e-06   1.463440e-06 
      Y- 89m  Pu-239   Thermal   2.653390e-06   8.698960e-07 
      Y- 89m  Pu-239   Fast      2.618300e-06   8.596670e-07 
      Y- 89m  Pu-239   High      4.831880e-06   1.997830e-06 
      Y- 89m  Pu-241   Thermal   1.851030e-06   6.229700e-07 
      Y- 89m  Pu-241   Fast      1.921850e-06   7.614080e-07 
    -----------------------------------------------------------
    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