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The Large Hadron Collider (LHC) is one of the largest and powerful particle accelerator in the World, designed to explore many areas of physics, like Dark Matter, source of electroweak symmetry breaking mechanism, the existence of new fundamental symmetries, extra force carriers, source of matter-antimatter asymmetry, mass origin, Quantum Black Holes, extra dimensions, precision measurements in the Standard Model (SM) of Particle Physics among many other exciting areas. The LHC was designed for proton-proton collisions at a center of mass energy of √s =14 TeV and an instantaneous luminosity of 1 x 1034 cm-2s- 1 34 -2-1
. The latter value was exceeded during 2016 with an instantaneous luminosity of 1.37 x 10 cm s at √s =13 TeV. After the Higgs boson discovery in 2012, by the ATLAS experiment, no new particle was found up to date. In order to explore more deepest, and increase in energy is mandatory, in this sense the luminosity at the LHC will be increased by a factor of 7, reaching the High Luminosity LHC (HL-LHC) era. For this purpose, the Muon Spectrometer system of the ATLAS experiment need to be upgraded in order to support this increment on energy and to decrease the fake Muons rate in the end-caps, 90% of the Muons from the end- cap are fakes. The actual Small Wheel composed by: Cathode Strip Chambers, Monitored Drift Tubes and Thin Gap Chambers will be replaced by the New Small Wheel (NSW) composed by two kind of detectors: Micromegas and the small Thin Gap Chambers (sTGC). In this talk the crucial role of UTFSM in the construction, test and commissioning of sTGC for the NSW project will be review it.
Dr. Nicolás Viaux M. (Young Researcher at UTFSM).