Köln 2025 – wissenschaftliches Programm

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HK: Fachverband Physik der Hadronen und Kerne

HK 23: Poster

HK 23.19: Poster

Dienstag, 11. März 2025, 17:30–19:00, Foyer Physik

Cooling studies for the ALICE3 Outer Tracker barrel layers — •Lena Kirchner for the ALICE Germany collaboration — Technische Universität München, Munich, Germany

The ALICE3 upgrade will feature a new Outer Tracker (OT) detector system based on Monolithic Active Pixel Sensor (MAPS) technology. Four cylindrical layers will form the OT barrel with the support structure segmented into staves similar to the current ALICE Inner Tracking System (ITS2) but significantly scaled up. An effective thermal management is critical to ensure the performance and longevity of this large area silicon detector.

We present a cooling strategy being developed for the OT barrel and experimental investigations to optimize the air cooling system, which is the basis for a modular system that allows for industrial scalability and a cost effective implementation. With a full scale demonstrator setup we can directly compare our measurements to simulations and extrapolate to the final implementation of the OT.

This research was supported by the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) under Germany's Excellence Strategy EXC-2094-390783311 and the Bundesministerium für Bildung und Forschung, BMBF-05P24WO4 ALICE.

Keywords: ALICE3; Outer Tracker; Cooling