Abstract

The dynamics of deconfinement and hadronization at high chemical potentials, i.e. in baryon rich matter, are discussed. Quark gluon plasma formation in the fragmentation regions is characterized by low temperatures. Condensation discontinuities are predicted which result in substantial entropy production during hadronization in the fragmentation regions, by far exceeding the entropy expected if deconfinement would not occur. This excess entropy may be useful for plasma diagnostics, since it is directly related to the coupling strength and nonperturbative effects in the deconfined phase. Energy densities of 1 – 2 GeV/fm 3 are obtained in stopping collisions of heavy nuclei at bombarding energies E lab = 5–10 GeV/n.

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