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HK: Fachverband Physik der Hadronen und Kerne

HK 58: Instrumentation XIII

HK 58.1: Gruppenbericht

Donnerstag, 13. März 2025, 17:30–18:00, SR Exp1A Chemie

The Silicon Tracking System of the CBM experiment: recent progress of the series production and performance in beam experiments — •Dairon Rodriguez Garces for the CBM collaboration — GSI Helmholtzzentrum für Schwerionenforschung, Darmstadt, Germany

The Compressed Baryonic Matter (CBM) experiment, cornerstone of the Facility for Antiproton and Ion Research (FAIR), focuses on exploring the properties of dense matter under extreme conditions. A key component of CBM is the Silicon Tracking System (STS), the central detector for tracking and momentum measurement of charged particles, designed to measure up to 1000 charged particles in nucleus-nucleus collisions at interaction rate up to 10 MHz, with a free streaming readout. It consists of 8 tracking stations equipped with 876 double sided silicon sensor modules mounted on low-mass carbon fiber ladders.

This report provides an overview of the recent progress in view of the realization of the STS detector: series module and ladder production, including detailed test and characterization of all individual components. It presents insights from beam operation with prototypes installed in the mini-CBM detector at SIS18 and in the E16 experiment at J-PARC, highlighting the capabilities of the detector under realistic conditions.