Mainz 2022 – wissenschaftliches Programm

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HK: Fachverband Physik der Hadronen und Kerne

HK 60: Instrumentation XVI

HK 60.4: Vortrag

Donnerstag, 31. März 2022, 14:45–15:00, HK-H5

Towards pre-series production: Quality control of the Silicon Tracking System module and components — •Adrian Rodríguez Rodríguez for the CBM collaboration — GSI Helmholtzzentrum

The Silicon Tracking System (STS) is the main tracking detector of the future CBM experiment. It is designed to reconstruct trajectories of charged particles with high efficiency and to achieve a momentum resolution better than 2% inside a 1 Tm magnetic field. The STS comprises 876 modules arranged in 8 tracking stations, where 1.8 million channels are read out with self-triggering electronics matching the experiment's data streaming and online event analysis concept. Currently, the STS project is entering the pre-series production phase, in which more than 30 modules are expected to be assembled with the final components and procedures. This is an essential task for proving the assembly concept of the final detector and requires a thorough quality control procedure in order to ensure the reliable performance of the modules and high production yield. For this purpose, multiple quality control steps have been implemented before and during the assembly of the components and the necessary hardware and software have been developed. This work will present the results of systematic testing of the STS modules and components, the steps to optimize the quality control concept, and the most significant challenges towards series production.