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Commissioning of the ATLAS Muon Spectrometer with cosmic rays
KTH, School of Engineering Sciences (SCI), Physics, Particle and Astroparticle Physics.
KTH, School of Engineering Sciences (SCI), Physics, Particle and Astroparticle Physics.
Univ Michigan, Dept Phys, Randall Lab .ORCID iD: 0000-0002-8913-0981
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2010 (English)In: European Physical Journal C, ISSN 1434-6044, E-ISSN 1434-6052, Vol. 70, no 3, 875-916 p.Article in journal (Refereed) Published
Abstract [en]

The ATLAS detector at the Large Hadron Collider has collected several hundred million cosmic ray events during 2008 and 2009. These data were used to commission the Muon Spectrometer and to study the performance of the trigger and tracking chambers, their alignment, the detector control system, the data acquisition and the analysis programs. We present the performance in the relevant parameters that determine the quality of the muon measurement. We discuss the single element efficiency, resolution and noise rates, the calibration method of the detector response and of the alignment system, the track reconstruction efficiency and the momentum measurement. The results show that the detector is close to the design performance and that the Muon Spectrometer is ready to detect muons produced in high energy proton-proton collisions.

Place, publisher, year, edition, pages
2010. Vol. 70, no 3, 875-916 p.
National Category
Physical Sciences
URN: urn:nbn:se:kth:diva-29545DOI: 10.1140/epjc/s10052-010-1415-2ISI: 000285200000015ScopusID: 2-s2.0-79651473323OAI: diva2:395575
Swedish Research CouncilKnut and Alice Wallenberg Foundation
QC 20110207Available from: 2011-02-07 Created: 2011-02-07 Last updated: 2012-02-14Bibliographically approved

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Grahn, Karl-JohanLund-Jensen, BengtStrandberg, JonasLafaye, Remi
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