Bonn 2020 – scientific programme

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HK: Fachverband Physik der Hadronen und Kerne

HK 30: Instrumentation VI

HK 30.4: Talk

Wednesday, April 1, 2020, 15:00–15:15, J-HS D

Performance of the mRICH detector in the mCBM experiment at SIS18 — •Adrian Amatus Weber for the CBM collaboration — Justus-Liebig Universität Giessen

The Compressed Baryonic Matter (CBM) experiment is a key experiment of the upcoming FAIR facility next to GSI in Darmstadt and part of the C.B.M. pillar. The CBM experiment will measure the QGP phase diagram at high net baryonic densities with high interaction rates of up to 10MHz and a free streaming detector readout in combination with advanced online reconstruction and selection methods.

The Ring Imaging Cherenkov (RICH) detector is a central part of CBM with highly advanced readout electronics and excellent PID capabilities. As an important step towards the final CBM experiment a prototype of the RICH detector, the mRICH, was build to test the performance and reliability of the readout concept in a common free streaming readout with other CBM detector prototypes in the mCBM experiment at GSI. The mRICH detector is based on the newly developed DiRICH front end electronics, which is already used in the HADES RICH detector, in combination with two aerogel radiator blocks. The common free streaming readout with the mRICH was successfully tested in march 2019 in Ag+Au collisions at 1.58 AGeV.

The readout concept of the mRICH as well as performance with respect to time and spacial correlations to the other subdetectors will be presented in this talk.