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HK: Fachverband Physik der Hadronen und Kerne

HK 53: HK+T Joint Session VIII: Pixel Detectors

HK 53.1: Gruppenbericht

Donnerstag, 30. März 2017, 16:45–17:15, F 073

The CBM-MVD: Group Report — •Michal Koziel for the CBM-MVD collaboration — Goethe-Universität Frankfurt

The Compressed Baryonic Matter Experiment (CBM) is one of the core experiments of the future FAIR facility. It will explore the phase diagram of strongly interacting matter in the regime of high net baryon densities with numerous probes, among them open charm. The Micro Vertex Detector (MVD) will contribute to the secondary vertex determination on a 10 µm scale, background rejection in dielectron spectroscopy and reconstruction of weak decays of multi-strange baryons. The detector comprises up to four stations placed next to the target in the vacuum. The stations are populated with 50 µm thin, highly-granular customized Monolithic Active Pixel Sensors, featuring a spatial resolution of <5 µm, a readout speed of less than 10 µs/frame, a radiation tolerance of >10¹³ n_eq/cm² and 3 Mrad. This contribution will summarize recent activities towards constructing the MVD, that involve in particular: CMOS sensor development, characterization and read-out, integration and cooling aspects as well as MVD performance simulations.

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