I need the best empirical equation to calculate the microscopic removal cross section (for fast neutrons) from the total microscopic cross section ?

03 April 2020 0 8K Report

I've read many papers and till now I've found 3 empirical equations but I need the closest one to the experimental results. Another thing, I need to know if I should take the average of the energies of the fast neutrons (from 1 to 12 MeV) or I just need to pick one representative energy like (8 MeV) as mentioned in some papers! Thanks in advance.

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