Cosmic test of sTGC detector prototype made in China for ATLAS experiment upgrade

TL;DR

This paper reports on the construction and cosmic-ray testing of a sTGC detector prototype developed in China for the ATLAS experiment upgrade, aiming to ensure detector performance at higher luminosities.

Contribution

It presents the design, construction, and cosmic-ray testing results of a sTGC detector prototype for the ATLAS muon system upgrade.

Findings

Successful cosmic-ray testing of the sTGC prototype

Demonstrated detector performance meets requirements

Contributes to the ATLAS upgrade project

Abstract

Following the Higgs particle discovery, the Large Hadron Collider complex will be upgraded in several phases allowing the luminosity to increase to $7 \times 10^{34}cm^{-2}s^{-1}$. In order to adapt the ATLAS detector to the higher luminosity environment after the upgrade, part of the ATLAS muon end-cap system, the Small Wheel, will be replaced by the New Small Wheel. The New Small Wheel includes two kinds of detectors: small-strip Thin Gap Chambers and Micromegas. Shandong University, part of the ATLAS collaboration, participates in the construction of the ATLAS New Small Wheel by developing, producing and testing the performance of part of the small-strip Thin Gap Chambers. This paper describes the construction and cosmic-ray testing of small-strip Thin Gap Chambers in Shandong University.