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Bochum 2018 – scientific programme

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HK: Fachverband Physik der Hadronen und Kerne

HK 12: Instrumentation IV

HK 12.1: Group Report

Monday, February 26, 2018, 16:30–17:00, Audimax H1

Status of the Transition Radiation Detector for the CBM Experiment — •Philipp Kähler for the CBM collaboration — Institut für Kernphysik, WWU Münster, Germany

The Transition Radiation Detector (TRD) will be part of the Compressed Baryonic Matter (CBM) experiment at FAIR. Multi-Wire Proportional Chambers (MWPCs) for this detector are challenged to record interaction rates up to 10 MHz in heavy-ion collisions, which will result in particle rates at the TRD plane of up to 120 kHz cm−2: the MWPCs will therefore be built in a fast design with signal collection times below 300 ns.

The physics case, the finalised technical detector design and the latest evolution of the self-triggered read-out chain will be summarised. In 2017, testbeam measurements have been performed in DESY II electron beam and in the high-rate environment of the Gamma Irradiation Facility (GIF++) at CERN. Results from these tests will be presented and their implications discussed. This work is supported by BMBF.

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