München 2019 – wissenschaftliches Programm

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HK: Fachverband Physik der Hadronen und Kerne

HK 63: Instrumentation XIV

HK 63.6: Vortrag

Freitag, 22. März 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.