Abstract
This report features the simulation studies of dielectron decays with the compressed baryonic matter experiment in the regime of high net-baryon densities and moderate temperatures. The corresponding region in the QCD phase-diagram is completely unexplored with leptonic channels and could provide essential insight into potential phase transitions to a QGP-phase or chiral symmetry restoration. At CBM energies there is undisturbed access to the decay channel of prompt thermal photons into dielectron pairs in the intermediate mass range between 1.1 and 2.5 GeV/c. Due to the rare character of such electromagnetic probes, very high statistics and a powerful particle identification are crucial. With the combination of a RICH detector and the TRD, CBM will measure these signals with a sufficient significance, as will be demonstrated in this work.
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