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München 2019 – scientific programme

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HK: Fachverband Physik der Hadronen und Kerne

HK 63: Instrumentation XIV

HK 63.6: Talk

Friday, March 22, 2019, 15:30–15:45, HS 12

CBM-TRD high-rate detector tests at the CERN-GIF — •Philipp Kähler for the CBM collaboration — Institut für Kernphysik, Münster, Germany

The Compressed Baryonic Matter (CBM) experiment will be one of the research pillars of FAIR (Darmstadt, Germany), which is currently under construction. High-intensity heavy-ion beams delivered by the SIS100 accelerator (FAIR Phase 1) will be used to explore the QCD phase diagram at high net-baryon densities. At the planned interaction rates, the CBM experiment has to meet the challenge of very high hit rates in the detectors. This talk will focus on high-rate tests of the MWPCs for the CBM-TRD, which have been conducted at the CERN Gamma Irradiation Facility (GIF) in October 2018 using the near-to-final, self-triggered CBM-DAQ system. The detection efficiency for muons from CERN-SPS has been measured with respect to the detector load, applied using the 14 TBq 137Cs GIF source. First efficiency results will be shown as well as measurements on the high-voltage field of the MWPCs in load situations. This work is supported by BMBF-grant 05P16PMFC1.

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