CMS RPC performance and operation in LHC Run 3

Document Type

Article

Publication Date

7-2025

Abstract

During the so-called Run 3 data taking, the center-of-mass energy for proton–proton collisions at the Large Hadron Collider (LHC) of CERN is 13.6 TeV. The CMS experiment has collected more than 180 fb−1 of integrated luminosity for the period of 2022 to 2024. The CMS RPC system faces the challenge of increased LHC instantaneous luminosity up to 2 × 1034 cm−2 s−1, providing redundant information for robust muon triggering, reconstruction and identification. To ensure stable data taking, the CMS RPC collaboration has performed a series of detector operation, calibration and performance studies, including the development and maintenance of various software monitoring tools. The detector operation and overall performance at 13.6 TeV, as well as the encountered problems and their corresponding solutions, are documented in this report.

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