Production and quality control of the new chambers with GEM technology in the CMS muon system.

Soldani E.

I - Fisica nucleare e subnucleare
Aula 32C-3 - Mercoledì 19 h 09:00 - 13:00
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The installation of an additional station GE1/1, in the first endcap muon, will improve the forward muon triggering and reconstruction capabilities in the region with pseudorapidity $1.6 < |\eta| < 2.2$ to sustain the new luminosity of LHC collider approaching $2 \times 10^{34}$ cm${}^{-2 -1}$ around 2019. The excellent performance of triple GEM detectors will allow to cope with the challenging data-taking conditions of Run3. The CMS collaboration will install 144 GE1/1 detectors during LS2 of the LHC and an intense program of construction in seven different sites with the CERN as the central site has already been started. Systematic inspections and strict quality controls, scheduled for the GE1/1 chambers approval by the central site (CERN) assure the performances of all detectors. The description of the state of art of the GE1/1 station with the results of the quality control procedures carried out in Bari and the next construction programming will be presented.

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