Bonn 2020 – wissenschaftliches Programm

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HK: Fachverband Physik der Hadronen und Kerne

HK 49: Instrumentation XI

HK 49.3: Gruppenbericht

Donnerstag, 2. April 2020, 15:00–15:30, J-HS D

The Silicon Tracking System of CBM: from design considerations towards first tests with heavy ion collisions — •Adrian Rodriguez Rodriguez for the CBM collaboration — Goethe University Frankfurt am Main

The Silicon Tracking System (STS) is the central detector for charged-particle identification and momentum determination in the future CBM experiment at the new FAIR accelerator facility. It is designed to measure up to 800 charged particles in nucleus-nucleus collisions at interaction rates up to 10 MHz, to achieve a momentum resolution better than 2% inside 1 Tm magnetic field, and to be capable of identifying complex particle decays topologies, e.g., such with strangeness content. The STS comprises eight tracking stations equipped with double-sided silicon microstrip sensors. Two million channels are read out with self-triggering electronics, matching the data streaming and online event analysis concept of the experiment. The STS functional building block is a module consisting of a sensor, micro-cables and two front-end electronics boards, carrying the custom-developed readout ASIC “STS-XYTER”. This presentation aims to show an overview of the development status of the module components, readout chain and system integration towards the beginning of the series production, and in the context of FAIR Phase 0 activities.