Improved RPC (iRPC) detector for CMS data taking in HL-LHC

In view of the challenging data taking of CMS in HL-LHC Collisions, an extensive upgrade is underway for the CMS Muon System to ensure its optimal performance in muon triggering and reconstruction. The key role of RPCs as dedicated muon detectors will provide relevant timing information, profiting of their time resolution, to secure sub-bunch crossing event timestamp. To meet the requirements of LHC Phase-2, the RPC system will be expanded up to 2.4 in pseudo- rapidity. The forward Muon system’s upcoming RE3/1 and RE4/1 stations will feature improved RPCs (iRPC). Distinguished by a unique design and geometry, including a 2D strip readout, these iRPCs represent a significant advancement over the current RPC system. The enhancements include the use of thinner electrodes, a narrower 1.4 mm gas gap, and improved FEB allowing a 30 fC threshold. At the end of 2023, two iRPC chambers were installed in the CMS detector. Present paper provides a full summary of the iRPC project

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Publication Details

Published
2024-12-17
DOI
https://doi.org/10.22323/1.476.0888
Primary Topic
Particle Detector Development and Performance
Type
article
Field-Weighted Citation Impact
0.00

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article

Improved RPC (iRPC) detector for CMS data taking in HL-LHC

S. Buontempo
Particle Detector Development and Performance
article

Improved RPC (iRPC) detector for CMS data taking in HL-LHC

S. Buontempo
article en

Abstract

In view of the challenging data taking of CMS in HL-LHC Collisions, an extensive upgrade is underway for the CMS Muon System to ensure its optimal performance in muon triggering and reconstruction. The key role of RPCs as dedicated muon detectors will provide relevant timing information, profiting of their time resolution, to secure sub-bunch crossing event timestamp. To meet the requirements of LHC Phase-2, the RPC system will be expanded up to 2.4 in pseudo- rapidity. The forward Muon system’s upcoming RE3/1 and RE4/1 stations will feature improved RPCs (iRPC). Distinguished by a unique design and geometry, including a 2D strip readout, these iRPCs represent a significant advancement over the current RPC system. The enhancements include the use of thinner electrodes, a narrower 1.4 mm gas gap, and improved FEB allowing a 30 fC threshold. At the end of 2023, two iRPC chambers were installed in the CMS detector. Present paper provides a full summary of the iRPC project

National Science Foundation, U.S. Department of Energy, CERN, Department of Science and Technology, Ministry of Science and Technology, India, National Natural Science Foundation of China, Coordenação de Aperfeiçoamento de Pessoal de Nível Superior, Fonds Wetenschappelijk Onderzoek, Consejo Nacional de Ciencia y Tecnología, Bulgarian National Science Fund, Conselho Nacional de Desenvolvimento Científico e Tecnológico, Ministry of Science, ICT and Future Planning, Fundação Carlos Chagas Filho de Amparo à Pesquisa do Estado do Rio de Janeiro, Centre National de la Recherche Scientifique, Universidad Autónoma de San Luis Potosí, Benemérita Universidad Autónoma de Puebla, Pakistan Atomic Energy Commission, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Institut National de Physique Nucléaire et de Physique des Particules
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