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Performance of the ATLAS Transition Radiation Tracker in Run 1 of the LHC: tracker properties
Stockholm University, Faculty of Science, Department of Physics. Stockholm University, Faculty of Science, The Oskar Klein Centre for Cosmo Particle Physics (OKC).
Stockholm University, Faculty of Science, Department of Physics. Stockholm University, Faculty of Science, The Oskar Klein Centre for Cosmo Particle Physics (OKC).
Stockholm University, Faculty of Science, Department of Physics. Stockholm University, Faculty of Science, The Oskar Klein Centre for Cosmo Particle Physics (OKC).
Stockholm University, Faculty of Science, Department of Physics. Stockholm University, Faculty of Science, The Oskar Klein Centre for Cosmo Particle Physics (OKC).
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Number of Authors: 2840
2017 (English)In: Journal of Instrumentation, ISSN 1748-0221, E-ISSN 1748-0221, Vol. 12, P05002Article in journal (Refereed) Published
Abstract [en]

The tracking performance parameters of the ATLAS Transition Radiation Tracker (TRT) as part of the ATLAS inner detector are described in this paper for different data-taking conditions in proton-proton, proton-lead and lead-lead collisions at the Large Hadron Collider (LHC). The performance is studied using data collected during the first period of LHC operation (Run 1) and is compared with Monte Carlo simulations. The performance of the TRT, operating with two different gas mixtures (xenon-based and argon-based) and its dependence on the TRT occupancy is presented. These studies show that the tracking performance of the TRT is similar for the two gas mixtures and that a significant contribution to the particle momentum resolution is made by the TRT up to high particle densities.

Place, publisher, year, edition, pages
2017. Vol. 12, P05002
Keyword [en]
Particle tracking detectors (Gaseous detectors), Transition radiation detectors
National Category
Other Engineering and Technologies Physical Sciences
Identifiers
URN: urn:nbn:se:su:diva-146012DOI: 10.1088/1748-0221/12/05/P05002ISI: 000405076000002OAI: oai:DiVA.org:su-146012DiVA: diva2:1136085
Available from: 2017-08-25 Created: 2017-08-25 Last updated: 2017-08-25Bibliographically approved

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Abulaiti, YimingÅkerstedt, HenrikBendtz, KatarinaBertoli, GabrieleBessidskaia Bylund, OlgaBohm, ChristianCarney, Rebecca M. D.Clement, ChristopheCribbs, Wayne A.Gellerstedt, KarlHellman, StenJon-And, KerstinLundberg, OlofMilstead, David A.Moa, TorbjörnMolander, SimonPöttgen, RuthRossetti, ValerioShaikh, Nabila W.Shcherbakova, AnnaSilverstein, Samuel B.Sjölin, JörgenStrandberg, SaraUghetto, MichaëlSanturio, E. ValdesWallängen, Veronica
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Department of PhysicsThe Oskar Klein Centre for Cosmo Particle Physics (OKC)
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