A Test Stand for the Muon Trigger Development for the CMS Experiment at the LHC
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Date
2013-05-02
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Abstract
Compact Muon Solenoid (CMS) is one of the flagship experiments in particle physics operating at the Large Hadron Collider (LHC). CMS was built to search for signatures of Higgs bosons, supersymmetry, and other new phenomena. The coming upgrade of the collider will increase the rate of collisions and expand the physics reach of CMS, but will also push the detector systems beyond their current capabilities. One critically affected element is the CMS trigger, a system responsible for making a fast decision if a particular event is of interest and trigger the readout of the detector. As saving the data from every collision would require a technically unattainable bandwidth and is not possible, triggering inefficiencies propagate into reduction of physics reach for the entire experiment. One proposal to handle the future increase in collision rates aims to combine the capabilities of the existing Cathode Strip Chambers (CSC) with the newly proposed Gaseous Electron Multiplication (GEM) detectors to improve the efficiency and discriminating power of the electronics-based muon Level-1trigger. This project focuses on development of a test-stand to emulate operational conditions of such a system, taking into account geometries of the two detector elements. The results of this study will present a proof of principle that building a joint GEM-CSC trigger system is feasible and it can be used to improve trigger efficiency.
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LHC, CMS, MUON, CSC