34-Se-79



Spin
     Level energy(keV)   Spin & Parity       
     ----------------------------------------
       ground state      7/2+                  
       9.57700E+01       1/2-                  
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)
     78.918499287 ± 0.000000241 (amu)  [mass excess = -75917.425 ± 0.225 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
     150.630 ± 1.302 (keV) 
Strong Gamma-rays from Decay of Se- 79 (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 
  ----------------------------------------------------------
         95.73            9.62         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-           2.95E+5 Y 38     
       IT           3.92 M 1         
Cross Sections (taken from JENDL-4.0)
     Table of cross sections, Se-79.
     Figures of cross sections, Se-79:  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
     Se- 78 (Z= 34, A= 78), MT=102 (n,γ)
     Se- 79 (Z= 34, A= 79), MT=  2 (Elastic scattering)
     Se- 79 (Z= 34, A= 79), MT=  4 (Inelastic scattering)
     Se- 80 (Z= 34, A= 80), MT= 16 (n,2n)
     Br- 79 (Z= 35, A= 79), MT=103 (n,p)
     Br- 81 (Z= 35, A= 81), MT= 32 (n,nd)
     Br- 81 (Z= 35, A= 81), MT=105 (n,t)
     Kr- 82 (Z= 36, A= 82), MT=107 (n,α)
     Kr- 83 (Z= 36, A= 83), 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)
    -----------------------------------------------------------
     Se- 79    U-235   Thermal   1.095010e-07   7.008070e-08 
     Se- 79    U-235   Fast      1.380130e-07   8.832810e-08 
     Se- 79    U-235   High      3.329210e-06   2.130700e-06 
     Se- 79    U-238   Fast      6.908630e-09   4.421530e-09 
     Se- 79    U-238   High      5.336130e-07   3.415120e-07 
     Se- 79   Pu-239   Thermal   1.982520e-06   1.268810e-06 
     Se- 79   Pu-239   Fast      1.462120e-06   9.357570e-07 
     Se- 79   Pu-239   High      5.382730e-06   3.444950e-06 
     Se- 79   Pu-241   Thermal   1.743820e-07   1.116040e-07 
     Se- 79   Pu-241   Fast      1.282350e-07   8.207010e-08 
    -----------------------------------------------------------
     Se- 79m   U-235   Thermal   1.679770e-08   1.075060e-08 
     Se- 79m   U-235   Fast      1.846430e-08   1.181720e-08 
     Se- 79m   U-235   High      2.777350e-07   1.777510e-07 
     Se- 79m   U-238   Fast      9.242840e-10   5.915420e-10 
     Se- 79m   U-238   High      4.451600e-08   2.849020e-08 
     Se- 79m  Pu-239   Thermal   3.041240e-07   1.946400e-07 
     Se- 79m  Pu-239   Fast      1.956120e-07   1.251920e-07 
     Se- 79m  Pu-239   High      4.490470e-07   2.873900e-07 
     Se- 79m  Pu-241   Thermal   2.675060e-08   1.712040e-08 
     Se- 79m  Pu-241   Fast      1.715610e-08   1.097990e-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)
    -----------------------------------------------------------
     Se- 79    U-235   Thermal   4.467130e-04   3.578770e-05 
     Se- 79    U-235   Fast      9.069400e-04   2.089750e-04 
     Se- 79    U-235   High      1.682380e-03   3.862520e-04 
     Se- 79    U-238   Fast      3.272080e-04   1.045550e-04 
     Se- 79    U-238   High      1.335150e-03   4.265120e-04 
     Se- 79   Pu-239   Thermal   4.364530e-04   1.746000e-05 
     Se- 79   Pu-239   Fast      6.076530e-04   9.723230e-05 
     Se- 79   Pu-239   High      8.636460e-04   1.984430e-04 
     Se- 79   Pu-241   Thermal   1.496190e-04   3.440560e-05 
     Se- 79   Pu-241   Fast      3.584450e-04   8.248750e-05 
    -----------------------------------------------------------
     Se- 79m   U-235   Thermal   4.372250e-04   3.713310e-05 
     Se- 79m   U-235   Fast      8.877600e-04   2.914280e-04 
     Se- 79m   U-235   High      1.643790e-03   5.372920e-04 
     Se- 79m   U-238   Fast      3.203300e-04   1.471680e-04 
     Se- 79m   U-238   High      1.306590e-03   6.000860e-04 
     Se- 79m  Pu-239   Thermal   4.253530e-04   3.595070e-05 
     Se- 79m  Pu-239   Fast      5.934650e-04   1.944200e-04 
     Se- 79m  Pu-239   High      8.402490e-04   2.749230e-04 
     Se- 79m  Pu-241   Thermal   1.463060e-04   4.791590e-05 
     Se- 79m  Pu-241   Fast      3.507930e-04   1.149820e-04 
    -----------------------------------------------------------
    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