CALCULATION AND EVALUATION OF CROSS-SECTIONS AND KERMA FACTORS FOR NEUTRONS UP TO 100 MEV ON O-16 AND N-14

We present evaluations of the interaction of neutrons with energies be tween 20 and 100 MeV with oxygen and nitrogen nuclei, which follows fr om our previous work on carbon. Our aim is to accurately represent int egrated cross sections, inclusive emission spectra, and kerma factors, in a data library that can be used in radiation transport calculation s. We apply the Feshbach-Kerman-Koonin-GNASN nuclear model code, which includes Hauser-Feshbach, pre-equilibrium, and direct reaction mechan isms, and use experimental measurements to optimize the calculations. We determine total, elastic, and nonelastic cross sections; angle-ener gy-correlated emission spectra for light ejectiles with A less than or equal to 4 and gamma rays; and average energy depositions. Our result s for charged-particle emission spectra agree well with measurements o f Subramanian et al. We compare kerma factors derived from our evaluat ed cross sections with experimental data, providing an integral benchm arking of our work.