CERN Accelerating science


Demonstrating the capabilities of a new GEM

During the LHC Long Shutdown 2 (2019-2021), many subsystems of the CMS experiment are being upgraded including its muon system. This is located on the outer part of the experiment and consists of various types of gaseous chambers. The muon system…

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CMS GEMs are changing gear

It can be called the achievement of the year for the CMS Muon GEM group, culminating on a decade-long effort and development of knowhow. The Gas Electron Multiplier (GEM) is a Micro Pattern Gaseous Detector (MPGD) widely used in particle physics.…

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