Operation and performance of the ATLAS Tile Calorimeter in Run 1

Paul Newman, ATLAS Collaboration, M. Aaboud

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The Tile Calorimeter is the hadron calorimeter covering the central region of the ATLAS experiment at the Large Hadron Collider. Approximately 10,000 photomultipliers collect light from scintillating tiles acting as the active material sandwiched between slabs of steel absorber. This paper gives an overview of the calorimeter’s performance during the years 2008–2012 using cosmic-ray muon events and proton–proton collision data at centre-of-mass energies of 7 and 8 TeV with a total integrated luminosity of nearly 30 fb−1. The signal reconstruction methods, calibration systems as well as the detector operation status are presented. The energy and time calibration methods performed excellently, resulting in good stability of the calorimeter response under varying conditions during the LHC Run 1. Finally, the Tile Calorimeter response to isolated muons and hadrons as well as to jets from proton–proton collisions is presented. The results demonstrate excellent performance in accord with
specifications mentioned in the Technical Design Report.
Original languageEnglish
Article number987
JournalEuropean Physical Journal C
Publication statusPublished - 30 Nov 2018

Bibliographical note

70 pages in total, author list starting page 54, 28 figures, 11 tables, submitted to EPJC. All figures and tables are available at https://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/PAPERS/TCAL-2017-01


  • hep-ex


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