Dresden 2013 – wissenschaftliches Programm

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HK: Fachverband Physik der Hadronen und Kerne

HK 9: Instrumentation

HK 9.1: Gruppenbericht

Montag, 4. März 2013, 11:00–11:30, HSZ-405

Prototyping the CBM Micro Vertex Detector — •Michal KOZIEL — University of Frankfurt, Frankfurt am Main, Germany

For the reconstruction of Open Charm Hadrons with the CBM experiment a Micro Vertex Detector (MVD) with an excellent resolution of the secondary decay vertex (< 70 µm along the beam axis) is required. To achieve this vertex resolution a material budget of a few 0.1% X0 is mandatory for the individual detector stations positioned downstream in close vicinity to the target. To further reduce the multiple scattering the MVD operates in vacuum.

The need of prototyping and characterizing the CBM-MVD motivated the construction of an advanced device - a beam telescope - giving the opportunity to exercise the following aspects: handling and integration of ultra-thin CMOS sensors on advanced materials like CVD diamond, double sided sensor assembly for ultra-precise tracking, cooling, scalable readout and slow control, development of data analysis framework and first steps towards implementation of tracking algorithms into a FPGA-based hardware.

This group report aims to summarize the activity towards fabrication of the CBM-MVD prototype.

*supported by HIC for FAIR, the GSI Helmholtzzentrum für Schwerionenforschung, BMBF grants 06FY9100I and 06FY7114I, IPHC-Strasbourg