Dresden 2013 – scientific programme

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HK: Fachverband Physik der Hadronen und Kerne

HK 52: Poster - Instrumentation I

HK 52.1: Poster

Wednesday, March 6, 2013, 16:45–19:00, HSZ 2.OG

Development and Test of the Readout System for the CBM-MVD Prototype* — •Borislav Milanović, Bertram Neuman, Michael Wiebusch, Samir Amar-Youcef, Ingo Fröhlich, and Joachim Stroth — Institut fur Kernphysik, Goethe-Universität Frankfurt - for the CBM-MVD Collaboration

The CBM Experiment at FAIR aims towards better understanding of the QCD phase-diagram and in-medium properties of matter under high densities. In order to enhance the detection of rare probes via their secondary decay vertices and to support the primary tracking system, the CBM Micro Vertex Detector (MVD) is foreseen.

Recently, the MVD Prototype has been developed at the IKF in Frankfurt. The module contains one quarter of the first MVD station featuring four prototype-sensors MIMOSA-26 AHR thinned down to 50 µ m. The prototype has been tested at the CERN SPS accelerator with high energetic pions in November 2012.

This contribution discusses the stability and scalability of the DAQ, slow-control and monitoring routines during the beamtime, as well as sensor behavior under high load of up to 700 000 particles per second. The readout system partially uses hardware from the HADES detector which will also run at FAIR. Readout rates of 98 MB/s at the limit of gigabit ethernet have been achieved showing no sign of data loss or corruption.

*supported by BMBF grants 06FY9099I and 06FY7113I