Resistive plate chambers for 2013-2014 muon upgrade in CMS at LHC

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Published 23 October 2014 © CERN 2014, published under license by IOP Publishing Ltd and Sissa Medialab srl
, , Citation S. Colafranceschi et al 2014 JINST 9 C10033 DOI 10.1088/1748-0221/9/10/C10033

1748-0221/9/10/C10033

Abstract

During 2013 and 2014 (Long Shutdown LS1) the CMS experiment is upgrading the forward region installing a fourth layer of RPC detectors in order to complete and improve the muon system performances in the view of the foreseen high luminosity run of LHC. The new two endcap disks consists of 144 double-gap RPC chambers assembled at three different production sites: CERN, Ghent (Belgium) and BARC (India). The chamber components as well as the final detectors are subjected to full series of tests established in parallel at all the production sites.

All assembly and test operations have been engineered in order to standardize and improve detector production. In this work the complete chamber construction, quality control procedures and preliminary results will be detailed.

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10.1088/1748-0221/9/10/C10033