Münster 2017 – wissenschaftliches Programm

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HK: Fachverband Physik der Hadronen und Kerne

HK 62: Instrumentation XIII

HK 62.7: Vortrag

Freitag, 31. März 2017, 15:30–15:45, F 102

An instrumented analysis and supply gas system prototype for the CBM TRD — •Philipp Munkes for the CBM collaboration — Institut für Kernphysik, WWU Münster, Deutschland

The Compressed Baryonic Matter (CBM) experiment is a fixed target heavy-ion experiment at the future FAIR accelerator facility. The CBM Transition Radiation Detector (TRD) is one of the key detectors to provide electron identification and charged particle tracking. For the detection of the Transition Radiation a Multi-Wire Proportional Chamber (MWPC) with a 5 mm drift region is used. As these detectors are very sensitive to the operating conditions a high quality gas supply system had to be designed and built to supply the detectors with a gas mixture of constant composition and flow. The operation of the system has to accompanied by close monitoring to fulfill the design goals. The design goal of the gas supply to the TRD chamber is a constant flow of about 3l Ar/CO2 mixture in the ratio of 80/20%. The most important task is to secure the maximum overpressure of 1mbar to the sensitive Kapton windows of the chambers. In this talk the author will provide an overview over the architecture of the monitoring system, as well as the first analysis of all environmental data collected from the gas system for the CBM TRD during a recent in-beam test at CERN SPS. This work has been supported by BMBF.

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