Abstract
The ATLAS HL-LHC upgrade includes an upgrade to the Muon Spectrometer in which the Monitored Drift Tube (MDT) chambers in the barrel inner small-sectors are replaced with new small-diameter MDT chambers (sMDT). The sMDT chambers will make space for a new triple-layer of Resistive Plate Chambers to improve the Level-1 muon triggering. There are 96 new sMDT chambers for this upgrade which are under construction at the Max Planck Institute Munich and the University of Michigan. This document reports the construction and testing of the sMDT chambers at both production sites. Through stringent measurements on mechanical precision, noise rate, efficiency, and tracking resolution, all chambers produced so far satisfy the precision and performance requirements.
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Schedule a callMore From: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
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