ENERGY DEPENDENCE OF NUCLEAR SUPPRESSION IN THE FRAGMENTATION REGION

Energy dependence of nuclear shadowing and nuclear absorption is discussed in the framework of the Glauber–Gribov model and the AGK cutting rules. We calculate gluon shadowing using recent data on diffractive structure functions from HERA. Phenomenological implications for light particle production at SPS and RHIC are described and compared to charged particle production at mid- and forward rapidities. Comparison of the suppression at these energies leaves nevertheless little room for additional suppression phenomena.