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Bonn 2020 – scientific programme

The DPG Spring Meeting in Bonn had to be cancelled! Read more ...

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HK: Fachverband Physik der Hadronen und Kerne

HK 52: Poster (b)

HK 52.6: Poster

Thursday, April 2, 2020, 16:30–18:30, Grotte

Gas gain measurements for the CBM-TRD MWPCs — •Isabel Kuhn for the CBM collaboration — Institut für Kernphysik, Uni Frankfurt

The Compressed Baryonic Matter (CBM) experiment at the Facility for Antiproton and Ion Research (FAIR) in Darmstadt will allow the investiga- tion of the phase diagram of Quantum Chromodynamics (QCD) at high net- baryon densities with unprecedented precision. Part of the detector setup will be a Transition Radiation Detector (TRD) The TRD will be composed of an irregular foam radiator and a Multi Wire Proportional Chamber (MWPC).It is part of the track reconstruction concept of CBM and will deliver particle identification, mainly providing the electron and pion separation capabilities at high particle momenta. A precise knowledge of the gas gain is an important factor in the opti- misation of the detector performance. Thus, a prototype MWPC with the given geometrical configuration was build for thes investigations. This poster will review the production of the prototype and the procedure of the gas gain measurement. Finally, the results of the measurement with different gas mixtures at high voltage settings will be presented. Supported by the German BMBF-grant 05P19RFFC1

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