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T: Fachverband Teilchenphysik

T 107: Invited Overview Talks V

T 107.2: Invited Overview Talk

Freitag, 20. März 2026, 11:30–12:00, AudiMax

Pimp my ride: Overhauling the ATLAS and CMS experiments to ride the High Luminosity Highway at the LHC — •Stefan Maier — Karlsruhe Institute of Technology, Germany

The upcoming high-luminosity upgrade of the Large Hadron Collider (HL-LHC) will provide a unique opportunity to significantly extend the physics research program of the general-purpose experiments ATLAS and CMS. With its harsh environment, operation at the HL-LHC will bring experimental and instrumental challenges such as increased radiation levels and particle collisions per bunch crossing. In order to fully exploit the physics potential, the ATLAS and CMS collaborations are upgrading their detector systems---both physically and conceptually. These versatile improvements are summarized in the Phase-2 Upgrades. While some subsystems will be partially enhanced with new electronics, others, such as the tracking systems, will be fully replaced or will complement the current detector systems, like the new timing layers.

This talk rides you through the detector upgrades of both experiments and highlights a selection of subdetector systems that do not just get a new paint job but pursue novel detection and readout concepts.

Keywords: ATLAS; CMS; Detector; Upgrade; Phase-2