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HK: Fachverband Physik der Hadronen und Kerne

HK 39: Instrumentierung - Poster

HK 39.36: Poster

Wednesday, March 23, 2011, 14:00–16:00, Foyer Chemie

(contribution withdrawn) Performance studies on the CBM TRD using J/Ψ — •Weilin Yu — Institut für Kernphysik, Goethe-Universität, Max-von-Laue-Str.1, 60438 Frankfurt am Main

The Transition Radiation Detector (TRD) will be one of the key components of the CBM experiment. It will serve for particle tracking and for the identification of electrons and positrons. J/Ψ production in the dielectron channel is a unique physics process to study the performance of the TRD. In the framework of CBMRoot mixed samples of J/Ψ and background events are simulated in the detector setup. Then J/Ψ particles are reconstructed with the TRD and other tracking detectors in the same framework. The limit of the TRD hit resolution is studied using the ratio of reconstructed J/Ψ signal to background, which will hence provide useful information to determine the size of readout pads. Feasibility studies on triggering J/Ψ particles only with the TRD has also been performed using a stand-alone tracking method.