33-As-72



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)
     71.926752294 ± 0.000004383 (amu)  [mass excess = -68229.798 ± 4.083 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
     -361.618 ± 4.528 (keV) 
Strong Gamma-rays from Decay of As- 72 (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 
  ----------------------------------------------------------
        629.92            8.07         EC 
        833.99           81.           EC 
       1464.00            1.13         EC 
  ----------------------------------------------------------
     *: 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 
       EC           26.0 H 1         
Evaluated Data Libraries
     Links to the libraries. 

Parent Nuclides by Reactions in JENDL-4.0
     Se- 74 (Z= 34, A= 74), MT= 32 (n,nd)
     Se- 74 (Z= 34, A= 74), 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)
    -----------------------------------------------------------
     As- 72    U-235   High      7.710570e-13   4.934760e-13 
     As- 72    U-238   High      2.562790e-14   1.640190e-14 
     As- 72   Pu-239   Thermal   1.649740e-14   1.055840e-14 
     As- 72   Pu-239   Fast      1.449760e-14   9.278500e-15 
     As- 72   Pu-239   High      7.374780e-12   4.719860e-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)
    -----------------------------------------------------------
     As- 72    U-235   High      7.710570e-13   4.927450e-13 
     As- 72    U-238   High      2.562790e-14   1.638410e-14 
     As- 72   Pu-239   Thermal   1.649740e-14   1.055840e-14 
     As- 72   Pu-239   Fast      1.449760e-14   9.278500e-15 
     As- 72   Pu-239   High      7.374780e-12   4.719860e-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