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T: Fachverband Teilchenphysik

T 28: Invited Topical Talks 1

T 28.4: Invited Topical Talk

Tuesday, March 22, 2022, 15:15–15:40, T-H15

The upgrade of the ATLAS trigger to augment the physics reach of Run-3 — •Daniele Zanzi — Albert-Ludwigs-Universität Freiburg, Freiburg, Germany

The ATLAS experiment uses a two-level trigger system to record about 1 kHz out of the 40 MHz of collisions delivered by the LHC. After a very successful operation in Run-2, the ATLAS trigger system has gone through a radical upgrade both in hardware and in software in preparation for Run-3. This upgrade is critical for maintaining the high data-taking efficiency achieved in Run-2, while opening up new trigger opportunities to augment the ATLAS physics programme. This talk will present an overview of the ATLAS trigger system in Run-3 together with studies on its expected performance.