33-As-76



Spin
     Level energy(keV)   Spin & Parity       
     ----------------------------------------
       ground state      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)
     75.922392015 ± 0.000000951 (amu)  [mass excess = -72291.372 ± 0.886 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
     2960.578 ± 0.886 (keV) 
Strong Gamma-rays from Decay of As- 76 (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 
  ----------------------------------------------------------
        559.10           45.           B- 
        657.05            6.17         B- 
       1216.08            3.42         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-           26.24 H 9        
Evaluated Data Libraries
     Links to the libraries. 

Parent Nuclides by Reactions in JENDL-4.0
     As- 75 (Z= 33, A= 75), MT=102 (n,γ)
     Se- 76 (Z= 34, A= 76), MT=103 (n,p)
     Se- 77 (Z= 34, A= 77), MT= 28 (n,np)
     Se- 77 (Z= 34, A= 77), MT=104 (n,d)
     Se- 78 (Z= 34, A= 78), MT=105 (n,t)
     Br- 79 (Z= 35, A= 79), MT=107 (n,α)

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)
    -----------------------------------------------------------
     As- 76    U-235   Thermal   1.647370e-09   1.054330e-09 
     As- 76    U-235   Fast      5.468710e-09   3.499970e-09 
     As- 76    U-235   High      3.214410e-07   2.057220e-07 
     As- 76    U-238   Fast      5.602090e-11   3.585330e-11 
     As- 76    U-238   High      4.064430e-08   2.601230e-08 
     As- 76   Pu-239   Thermal   5.529130e-08   3.538650e-08 
     As- 76   Pu-239   Fast      4.839210e-08   3.097100e-08 
     As- 76   Pu-239   High      6.053930e-07   3.874510e-07 
     As- 76   Pu-241   Thermal   5.500890e-09   3.520570e-09 
     As- 76   Pu-241   Fast      6.864840e-09   4.393500e-09 
    -----------------------------------------------------------
    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)
    -----------------------------------------------------------
     As- 76    U-235   Thermal   1.647370e-09   1.054330e-09 
     As- 76    U-235   Fast      5.468710e-09   3.499970e-09 
     As- 76    U-235   High      3.214410e-07   2.054180e-07 
     As- 76    U-238   Fast      5.602090e-11   3.584020e-11 
     As- 76    U-238   High      4.064430e-08   2.598410e-08 
     As- 76   Pu-239   Thermal   5.529130e-08   3.538650e-08 
     As- 76   Pu-239   Fast      4.839210e-08   3.097100e-08 
     As- 76   Pu-239   High      6.053930e-07   3.872000e-07 
     As- 76   Pu-241   Thermal   5.500890e-09   3.520000e-09 
     As- 76   Pu-241   Fast      6.864840e-09   4.393500e-09 
    -----------------------------------------------------------
    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