Performance of the ATLAS Transition Radiation Tracker in Run 1 of the LHC:tracker properties

Barton, Adam Edward and Beattie, Michael and Bertram, Iain Alexander and Borissov, Guennadi and Bouhova-Thacker, Evelina Vassileva and Dearnaley, William and Fox, Harald and Grimm, Kathryn Ann Tschann and Henderson, Robert Charles William and Hughes, Gareth and Jones, Roger William Lewis and Kartvelishvili, Vakhtang and Long, Robin Eamonn and Love, Peter Allan and Muenstermann, Daniel Matthias Alfred and Parker, Adam Jackson and Skinner, Malcolm and Smizanska, Maria and Walder, James William and Wharton, Andy (2017) Performance of the ATLAS Transition Radiation Tracker in Run 1 of the LHC:tracker properties. Journal of Instrumentation, 12 (5). ISSN 1748-0221

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Abstract

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.

Item Type: Journal Article
Journal or Publication Title: Journal of Instrumentation
Uncontrolled Keywords: /dk/atira/pure/subjectarea/asjc/2600/2610
Subjects:
Departments: Faculty of Science and Technology > Physics
ID Code: 87160
Deposited By: ep_importer_pure
Deposited On: 25 Jul 2017 09:30
Refereed?: Yes
Published?: Published
Last Modified: 19 Feb 2020 03:57
URI: https://eprints.lancs.ac.uk/id/eprint/87160

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