Abstract

Excitation functions, neutron spectra, and angular distributions in the (p,n) reaction on isotopes of 56Fe, 57Fe, 90Zr, and 94Zr have been measured in the proton energy range of (7–11) MeV. The measurements were performed on the pulsed tandem accelerator EGP‐15 of IPPE by time‐of‐flight fast neutron spectrometer. Analyses of the measured data have been carried out in the framework of statistical equilibrium and pre‐equilibrium models of nuclear reactions. The contribution of non‐equilibrium emission has been studied. The nuclear level densities of 56Co, 57Co 90Nb, 94Nb, and their energy dependences have been determined.

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