34-Se-85



Spin
     Level energy(keV)   Spin & Parity       
     ----------------------------------------
       ground state      (5/2+)                
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)
     84.922260760 ± 0.000002804 (amu)  [mass excess = -72413.635 ± 2.613 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
     6161.833 ± 4.031 (keV) 
Strong Gamma-rays from Decay of Se- 85 (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 
  ----------------------------------------------------------
        345.2            46.           B- 
       1427.2             7.04         B- 
       3396.6             7.41         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-           31.7 S 9         
Evaluated Data Libraries
     Links to the libraries. 

Parent Nuclides by Reactions in JENDL-4.0 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- 85    U-235   Thermal   8.920190e-03   4.036830e-03 
     Se- 85    U-235   Fast      1.063020e-02   4.810700e-03 
     Se- 85    U-235   High      9.956400e-03   4.505780e-03 
     Se- 85    U-238   Fast      4.827120e-03   2.184980e-03 
     Se- 85    U-238   High      6.664100e-03   3.015990e-03 
     Se- 85   Pu-239   Thermal   4.057840e-03   1.836480e-03 
     Se- 85   Pu-239   Fast      3.790430e-03   1.715350e-03 
     Se- 85   Pu-239   High      5.505770e-03   2.491640e-03 
     Se- 85   Pu-241   Thermal   2.859860e-03   1.294230e-03 
     Se- 85   Pu-241   Fast      3.347470e-03   1.514910e-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)
    -----------------------------------------------------------
     Se- 85    U-235   Thermal   1.062330e-02   6.188250e-03 
     Se- 85    U-235   Fast      1.175630e-02   6.084800e-03 
     Se- 85    U-235   High      1.138540e-02   6.482980e-03 
     Se- 85    U-238   Fast      7.122700e-03   3.327260e-03 
     Se- 85    U-238   High      8.511890e-03   4.749660e-03 
     Se- 85   Pu-239   Thermal   4.137120e-03   2.429400e-03 
     Se- 85   Pu-239   Fast      4.014480e-03   2.335060e-03 
     Se- 85   Pu-239   High      6.224140e-03   3.553660e-03 
     Se- 85   Pu-241   Thermal   3.097850e-03   1.790910e-03 
     Se- 85   Pu-241   Fast      3.823830e-03   2.176760e-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