The energy dependence of the in-medium $ηN$ cross section evaluated from $η$-photoproduction

M. Effenberger, A. Sibirtsev

Published 1997-10-23Version 1

Within the Glauber formalism and a BUU transport model we analyze the $\eta$-photoproduction data from nuclei and evaluate the in-medium $\eta N$ cross section. Our results indicate that the $\eta N$ cross section is almost independent of the $\eta$ energy up to 200 MeV.