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HK: Fachverband Physik der Hadronen und Kerne

HK 25: Heavy Ion Collision and QCD Phases VII

HK 25.4: Vortrag

Dienstag, 15. März 2016, 17:30–17:45, S1/01 A4

Physics performance studies with the CBM-TRD — •Julian Book for the CBM collaboration — Institut für Kernphysik, Goethe-Universität Frankfurt am Main

The CBM Experiment at SIS100 will provide unique capabilities to study strongly interacting matter at extreme densities. It might allow to locate the chiral and deconfinement phase transition in this energy regime.
The electron-setup of the CBM experiment is composed of a ring-imaging Cherenkov detetcor (RICH), followed by four layers of transition radiation detectors (TRD) and a time-of-flight detector (TOF). They will provide the necessary particle identification to study low-mass vector mesons and thermal radiation in the intermediate mass range (1-3 GeV/c²) mediated via dielectron pairs at central rapdity (|y|<1.5). In addition, the TRD contributes to the analysis of J/ψ decaying into two electrons by suppression of pions, which will allow to study J/ψ production near threshold. The unique capabilities to identify fragments via the dE/dx-measurement provided by the TRD allows the investigation of hyper-nuclei such as the _ΛΛ⁶He.
After a brief description of the apparatus, the performance of the TRD in central Au+Au collisions at √s_NN=4.11 GeV and p+Au collsions at √s_NN=7.62 GeV will be shown.