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HK: Fachverband Physik der Hadronen und Kerne

HK 36: Postersitzung

HK 36.54: Poster

Mittwoch, 17. März 2010, 14:00–16:00, HG Aula

Electronical and mechanical integration of the MVD Demonstrator for CBM* — •Tobias Tischler, Samir Amar-Youcef, Norbert Bialas, Michael Deveaux, Horst Düring, Ingo Fröhlich, Christian Müntz, Jan Michel, Christoph Schrader, Selim Seddiki, and Joachim Stroth — Institut für Kernphysik, Goethe-Universität, Frankfurt am Main

The identification of open charm particles at the CBM Experiment (FAIR) requires a fast Micro Vertex Detector with an excellent spatial resolution, high radiation tolerance and minimal material budget.

As a first step towards the CBM-MVD a demonstrator has been designed and built which integrates the technologies nowadays available regarding sensor, support, cooling and read-out.

The Monolithic Active Pixel Sensors (MIMOSA-20-sensors, developed at IPHC Strasbourg) are mounted on a support consisting of a Thermal Pyrolytic Graphite/Reticulated Vitreous Carbon-Sandwich. The read-out is done by a customized flex print cable and readout boards. The real time data acquisition and a ROOT-based analysis software was developed and tested in the lab. A beam time at the CERN SPS with 120 GeV Pions was accomplished to test the MVD Demonstrator as a Device under test in a reference telescope under real conditions. This contribution emphasizes the technical realization of this project, and presents the in-beam performance of the device. *supported by BMBF (06FY173I, 06FY9099I), GSI F&E