27-Co-72



Spin
     Level energy(keV)   Spin & Parity       
     ----------------------------------------
       ground state      0+                    
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)
     71.957290 ± 0.000430 (amu)  [mass excess = -39784 ± 401 (keV) ]
 	[These values were derived from systematical trend]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
     14442 ± 401 (keV) [derived from systematical trend] 
Strong Gamma-rays from Decay of Co- 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 
  ----------------------------------------------------------
        566.              --          B-,N
  ----------------------------------------------------------
        455.           * 54.           B- 
        845.           * 80.           B- 
       1096.           *100.           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-           59.9 MS 17       
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)
    -----------------------------------------------------------
     Co- 72    U-235   Thermal   5.790780e-10   3.706100e-10 
     Co- 72    U-235   Fast      6.007600e-09   3.844870e-09 
     Co- 72    U-235   High      6.098360e-07   3.902950e-07 
     Co- 72    U-238   Fast      1.280480e-08   8.195050e-09 
     Co- 72    U-238   High      3.093370e-07   1.979760e-07 
     Co- 72   Pu-239   Thermal   4.129350e-10   2.642790e-10 
     Co- 72   Pu-239   Fast      4.879210e-09   3.122700e-09 
     Co- 72   Pu-239   High      1.130730e-07   7.236690e-08 
     Co- 72   Pu-241   Thermal   1.290210e-10   8.257330e-11 
     Co- 72   Pu-241   Fast      4.096920e-09   2.622030e-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)
    -----------------------------------------------------------
     Co- 72    U-235   Thermal   5.797920e-10   3.710670e-10 
     Co- 72    U-235   Fast      6.018280e-09   3.851700e-09 
     Co- 72    U-235   High      6.127600e-07   3.916370e-07 
     Co- 72    U-238   Fast      1.285640e-08   8.192240e-09 
     Co- 72    U-238   High      3.104980e-07   1.984020e-07 
     Co- 72   Pu-239   Thermal   4.131630e-10   2.644250e-10 
     Co- 72   Pu-239   Fast      4.883750e-09   3.125600e-09 
     Co- 72   Pu-239   High      1.135870e-07   7.232240e-08 
     Co- 72   Pu-241   Thermal   1.290700e-10   8.255990e-11 
     Co- 72   Pu-241   Fast      4.102290e-09   2.624000e-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