RPC Gap Production and Performance for CMS RE4 Upgrade
Sung Keun Park, Min Ho Kang, Kyong Sei Lee
TL;DR
This paper details the production procedures and quality assurance processes for RPC gaps used in the CMS upgrade, aiming to improve high momentum muon trigger efficiency in the experiment.
Contribution
It introduces the specific production and QA procedures for RPC gaps in the CMS RE4 upgrade, a novel aspect of detector assembly for this experiment.
Findings
Successful production of 144 RPC gaps in Korea
Gaps delivered to CERN, BARC, and Ghent University
Enhanced muon trigger efficiency expected from upgrade
Abstract
CMS experiment constructed the fourth Resistive Plate Chamber (RPC) trigger station composed of 144 RPCs to enhance the high momentum muon trigger efficiency at both endcap regions. All new CMS endcap RPC gaps are produced in accordance with QA and QC at the Korea Detector Laboratory (KODEL) in Korea. All qualified gaps have been delivered to three assembly sites: CERN in Switzerland, BARC in India, and Ghent University in Belgium for the RPC detector assembly. In this paper, we present the detailed procedures used in the production of RPC gaps adopted for the CMS upgrade.
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