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Commissioning of the ATLAS Muon Spectrometer with cosmic rays

  • The ATLAS collaboration
  • University of Freiburg
  • University of Oklahoma
  • Autonomous University of Barcelona
  • University of Geneva
  • University of Oxford
  • Azerbaijan National Academy of Sciences
  • Oklahoma State University
  • Michigan State University
  • Tel Aviv University
  • IN2P3/CNRS
  • National Institute for Nuclear Physics
  • Abdus Salam International Centre for Theoretical Physics
  • United States Department of Energy
  • Hampton University
  • Yale University
  • University of Calabria
  • Queen Mary University of London
  • STFC Rutherford Appleton Laboratory
  • Brandeis University
  • University of Granada
  • Johannes Gutenberg University Mainz
  • Boston University
  • Stony Brook University
  • University of Alberta
  • University of Texas at Dallas
  • University of Rome Tor Vergata
  • Bogazici University
  • Lund University
  • The University of Tokyo
  • P.N. Lebedev Physical Institute of the Russian Academy of Sciences
  • SUNY Albany
  • Royal Holloway University of London
  • IN2P3-CNRS
  • CERN
  • Joint Institute for Nuclear Research
  • Horia Hulubei National Institute of Physics and Nuclear Engineering
  • West University of Timisoara
  • National Technical University of Athens
  • University of Bonn
  • Humboldt University of Berlin
  • University of Pennsylvania

Research output: Contribution to journalArticlepeer-review

26 Scopus citations

Abstract

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.

Original languageEnglish
Pages (from-to)875-916
Number of pages42
JournalEuropean Physical Journal C
Volume70
Issue number3
DOIs
StatePublished - Dec 1 2010

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