Münster 2017 – wissenschaftliches Programm

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HK: Fachverband Physik der Hadronen und Kerne

HK 27: Poster

HK 27.65: Poster

Dienstag, 28. März 2017, 16:45–18:45, F Foyer

Measurements with CBM-TRD Prototypes at the CERN SPS in 2015 — •Patrick Schneider and Dennis Spicker for the CBM collaboration — Institut für Kernphysik, Goethe-Universität Frankfurt am Main

CBM as the heavy-ion experiment at FAIR is designed to investigate the properties of strongly interacting matter at highest net-baryon densities. The main purpose of the Transition Radiation Detector (TRD) will be to discriminate electrons and pions over a large region of particle momenta.

We present two analyses of data acquired in a test-setup with two TRD prototypes in a Pb beam at the SPS at CERN in November and December 2015. These prototypes already have the full size (59x59 cm²) of the final TRD chambers and used SPADIC v1.0 read out electronics.

The first part investigates the capability of the TRD to operate at high hit-rates by analyzing the current measurements at the anode wires, while the second part displays the spatial resolution of the protoypes by analysing time-correlated events measured in the two chambers.

Generally, a good performance of the TRD in the high-rate environment is observed.

Supported by the German BMBF-grant 05P15RFFC1