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 language | English |
|---|---|
| Article number | 018 |
| Journal | Proceedings of Science |
| Volume | 2012-February |
| Publication status | Published - 2012 |
| Event | 11th Workshop on Resistive Plate Chambers and Related Detectors, RPC 2012 - Rome, Italy Duration: 2012 Feb 5 → 2012 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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