Abstract
The Compressed Baryonic Matter experiment (CBM) aims at studying the area of the QCD phase diagram at high net baryon densities and moderate temperatures. It is predicted by the Three-Fluid Hydrodynamics-based Event Simulator (THESEUS) that one of the signatures of the phase transition is a change in shape of the mid-rapidity curvature and yield. In this contribution we present the CBM performance for proton (y) and transverse mass (m T ) spectra. The results are obtained for Au+Au collisions at 3.5-12A GeV/c produced by THESEUS model. The CBM detector response is simulated with the GEANT3 engine and reconstruction is done using the CbmRoot framework. Protons are identified with Time-of-Flight technique using 2 different approaches. The obtained spectra are corrected for detector biases using the UrQMD event generator. Results are compared with simulated values. Sources of systematic biases are discussed. The CBM detector is sensitive to the difference between 1st order EoS and hadron gas and crossover in the framework of the THESEUS model.
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