Bonn 2020 – wissenschaftliches Programm
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HK: Fachverband Physik der Hadronen und Kerne
HK 49: Instrumentation XI
HK 49.1: Gruppenbericht
Donnerstag, 2. April 2020, 14:00–14:30, J-HS D
Towards the CBM-MVD* — •Michael Deveaux 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 µ m scale, background rejection in di-electron spectroscopy and reconstruction of weak decays of multi-strange baryons. The detector comprises four stations placed next to the target in vacuum, allowing for two distinct station arrangements. The stations will be populated with 50 µ m thin, highly-granular customized Monolithic Active Pixel Sensors (called “MIMOSIS”), which are being developed aiming at a spatial precision in the order of ∼ 5 µ m, a readout speed of less than 5 µ s/frame, a radiation tolerance of ∼ 7× 1013 neq/cm2 and 5 Mrad. This contribution will summarize the status of activities towards constructing the MVD, that involve in particular CMOS sensor development together with the IPHC Strasbourg.
*This work has been supported by BMBF ErUM-FSP C.B.M. (05P19RFFC1), GSI and HIC for FAIR.