Karlsruhe 2024 – scientific programme

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T: Fachverband Teilchenphysik

T 14: Detectors 3 (muon detectors)

T 14.1: Talk

Monday, March 4, 2024, 16:00–16:15, Geb. 30.23: 3/1

The CMS Muon DT System in Run 3 : Overview & Summary — •Archana Sharma, Thomas Hebbeker, Kerstin Hoepfner, Markus Merschmeyer, Hans Reithler, and Dmitry Eliseev — III. Physikalisches Institut A, RWTH Aachen University

A high-performance muon detector system is crucial to realise the physics goals of the CMS experiment at the LHC, achieved by the highly efficient muon spectrometer, consisting of different detector technologies across different pseudorapidity (η) regions. The CMS Drift Tube (DT) chambers instrument the return yoke of CMS, being responsible for identifying, measuring, and triggering on muons in the barrel acceptance region. DTs have been running smoothly in the first two years of Run 3 with negligible contribution to the downtime/luminosity loss during the data-taking, while showing the same excellent detector performance as in Run 2. In addition, to withstand the challenging conditions of increased instantaneous luminosity and higher pileup expected during the high-luminosity LHC (HL-LHC) operation, the DT system plans for an upgrade of its electronics which will be implemented during long shutdown (LS) 3. The operation summary and performance study of the DT system carried out using the first dataset collected at a collision energy of 13.6 TeV in 2022 & 2023 is reported in this presentation. In addition, the ongoing activities for the preparation of LS 3 upgrade are summarised in brief.

Keywords: LHC; Muons; Drift Tubes; Run 3; High lumimosity