Abstract
The intranuclear cascade-evaporation model of a high-energy nucleon-meson transport code has been used to calculate neutron production from nonelastic interactions of 585 MeV protons with C, Al, Fe, Nb, In, Ta, Pb, and U targets at emission angles of 30/sup 0/, 90/sup 0/, and 150/sup 0/. These model predictions are compared with measurements of the double differential cross sections d/sup 2/sigma/d..cap omega..dT/sub n/ of neutrons with kinetic energies between 0.9 and 585 MeV. In general, the model predicts approximately the correct neutron production in the evaporation region, whereas in the high energy region (E/sub n/approx. >20 MeV) systematic discrepancies between measurements and model predictions occur. These increase rapidly with increasing neutron energy and increasing emission angle.
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