Abstract
We investigate a mechanism of energy deposition through dynamical pair production in ultrarelativistic collisions. This mechanism arises because of the time dependence of the color charges created at the early stage of the reaction. We argue that such a mechanism may become comparable with that of Schwinger at high energies (about 1 TeV per nucleon CM). We discuss the production rates of heavy flavors and their energy dependence. We point out that this mechanism should be kept in mind when discussing signatures of a quark-gluon plasma formation.
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