Münster 2017 – scientific programme

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T: Fachverband Teilchenphysik

T 114: Pixeldetektoren 6 (gemeinsam mit HK)

T 114.4: Talk

Thursday, March 30, 2017, 17:45–18:00, F 073

Design studies on the MimoSIS pixel sensor for the CBM-MVD — •Philipp Sitzmann for the CBM-MVD collaboration — Goethe-Universität Frankfurt

The Compressed Baryonic Matter experiment at FAIR (CBM) is a dedicated fix-target experiment design to explore the QCD phase diagram in the region of high net-baryon density. One of the main physics goals is the reconstruction of short living Open Charm Mesons and Multi-Strange Hyperons. The Micro Vertex Detector (MVD) is designed to significantly increase the secondary vertex resolution and to boost near vertex tracking and reconstruction of low-momentum tracks. This detector will be equipped with CMOS Pixel Sensors developed at IPHC Strasbourg. A new generation of the sensor (MimoSIS) is developed with an improved readout aiming at a much faster readout speed below 10 µs/frame. The internal readout concept and its corresponding limitations to the occupancy is simulated in the CBM-Root Framework and tested assuming the expected beam intensities and fluctuations.

This work will present the newest results on required internal bandwith, limitations and resulting design guidelines for the employment of the new MimoSIS sensor in the CBM-MVD.

This work has been supported by BMBF (05P15RFFC1), GSI, HIC for FAIR and HGS-HIRe.