Ultrarelativistic nucleus-nucleus collisions in dynamical model of independent quark-gluon strings

A dynamical model of independent quark-gluon strings is formulated for heavy-ion collisions at ultrarelativistic energies. The formation and fragmentation of the strings are described in terms of the dual parton model. The consideration of the nuclear interaction is based on the Monte-Carlo solution of a coupled system of relativistic Boltzmann-like kinetic equation including the finite formation time for hadrons. Evolution of energy and baryonic densities is discussed for central O+Au collisions. The calculated characteristics for both the central and fragmentation rapidity region are compared with the recent CERN experimental data to compare the contributions of various nuclear effects