Darmstadt 2008 – wissenschaftliches Programm

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HK: Fachverband Physik der Hadronen und Kerne

HK 26: Instrumentation und Anwendungen II

HK 26.2: Vortrag

Dienstag, 11. März 2008, 11:30–11:45, 2D

Performance of High-Rate TRD Prototypes for the CBM Experiment in Test Beam and Simulation — •Melanie Klein-Bösing for the CBM collaboration — Institut für Kernphysik, Münster

The goal of the future Compressed Baryonic Matter (CBM) experiment is to explore the QCD phase diagram in the region of high baryon densities not covered by other experiments. Among other detectors, it will employ a Transition Radiation Detector (TRD) for tracking of charged particles and electron identification.

To meet the demands for tracking and for electron identification at large particle densities and very high interaction rates, high efficiency TRD prototypes have been developed. These prototypes with double-sided pad plane electrodes based on Multiwire Proportional Chambers (MWPC) have been tested at GSI and implemented in the simulation framework of CBM.

Results of the performance in a test beam and in simulations will be shown. In addition, we will present a study of the performance of CBM for electron identification and dilepton reconstruction with this new detector layout.