Systematic study of phenolic multigap RPCs for high-rate triggers in CMS

on behalf of the CMS Collaboration

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Abstract

We report a systematic study of phenolic multigap Resistive Plate Chambers (RPCs) for highrate triggers in CMS. In the current R&D, prototype RPC modules have been built with fourand six-gap structures and tested with cosmic muons and gamma rays irradiated from a 200-mCi 137Cs source. The detector characteristics of the prototype multigap RPCs were compared with those of the double-gap RPCs currently used in the CMS experiment at LHC. The mean values for detector charges of the cosmic-muon signals drawn in the four- and six-gap RPCs for the efficiency values in the middle of the plateau were about 1.5 and 0.9 pC, respectively. We concluded from the current R&D that use of the phenolic multigap RPCs is advantageous to future high-rate triggers in CMS in virtue of the smaller detector pulses.

Original languageEnglish
Article number018
JournalProceedings of Science
Volume2012-February
Publication statusPublished - 2012
Event11th Workshop on Resistive Plate Chambers and Related Detectors, RPC 2012 - Rome, Italy
Duration: 2012 Feb 52012 Feb 10

Bibliographical note

Funding Information:
This work was supported by a Korea University Grant (research fellow program) and by the National Research Foundation of Korea under grant numbers K20802011718-11B1301-00610 (for Korean CMS researches) and 2012029403 (for nuclear science researches).

ASJC Scopus subject areas

  • General

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