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Münster 2017 – scientific programme

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HK: Fachverband Physik der Hadronen und Kerne

HK 15: Instrumentation III

HK 15.4: Talk

Tuesday, March 28, 2017, 12:00–12:15, F 3

A prototype of the free-streaming data acquisition system for the Compressed Baryonic Matter experiment at FAIR — •David Emschermann for the CBM collaboration — GSI Helmholtzzentrum für Schwerionenforschung GmbH

The Compressed Baryonic Matter experiment (CBM) will be based at the new Facility for Antiproton and Ion Research (FAIR), which will deliver heavy-ion beams up to energies of 14 A GeV. In nucleus-nucleus collisions at these beam energies strongly interacting matter with den- sities up to 10 times normal nuclear matter is expected to be produced. The key objective of CBM is to investigate the QCD phase diagram in the region of high baryon-densities, where a first order phase transition from hadronic to partonic matter as well as a chiral phase transition is expected to occur, representing a substantial discovery potential at FAIR energies. As a fixed-target experiment CBM is consequently de- signed to cope with very high interaction rates up to 10 MHz. This will allow to perform high precision measurements of extremely rare probes which have not been accessible by previous nucleus-nucleus ex- periments in this energy regime. To achieve the high rate capability CBM will be equipped with fast and radiation hard detectors employ- ing free-streaming readout electronics. A prototype high-speed Data Aquisition (DAQ) system was built in 2016. It has been successfully deployed at a CBM beamtest at the SPS accelerator at CERN, where it has forwarded data from the detector front-ends of the TOF and MUCH subsystems to a prototype of the First Level Event Selector (FLES). We will report on the status of this CBM DAQ prototype.

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