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The Laser calibration of the ATLAS Tile Calorimeter during the LHC run 1
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Number of Authors: 2382016 (English)In: Journal of Instrumentation, ISSN 1748-0221, E-ISSN 1748-0221, Vol. 11, article id T10005Article in journal (Refereed) Published
Abstract [en]

This article describes the Laser calibration system of the ATLAS hadronic Tile Calorimeter that has been used during the run 1 of the LHC. First, the stability of the system associated readout electronics is studied. It is found to be stable with variations smaller than 0.6 %. Then, the method developed to compute the calibration constants, to correct for the variations of the gain of the calorimeter photomultipliers, is described. These constants were determined with a statistical uncertainty of 0.3 % and a systematic uncertainty of 0.2 % for the central part of the calorimeter and 0.5 % for the end-caps. Finally, the detection and correction of timing mis-configuration of the Tile Calorimeter using the Laser system are also presented.

Place, publisher, year, edition, pages
2016. Vol. 11, article id T10005
Keywords [en]
Detector alignment and calibration methods (lasers, sources, particle-beams), Calorimeters, Performance of High Energy Physics Detectors
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:su:diva-136932DOI: 10.1088/1748-0221/11/10/T10005ISI: 000387876400005OAI: oai:DiVA.org:su-136932DiVA, id: diva2:1060846
Available from: 2016-12-30 Created: 2016-12-19 Last updated: 2018-08-07Bibliographically approved

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Bessidskaia Bylund, OlgaBohm, ChristianClément, ChristopheEriksson, DanielGellerstedt, KarlJohansson, K. ErikJon-And, KerstinKhandanyan, HovhannesKim, HyeonKlimek, PawelLundberg, OlofMilstead, David A.Molander, SimonNordkvist, BjörnSilverstein, Samuel B.Tylmad, Maja
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Department of PhysicsThe Oskar Klein Centre for Cosmo Particle Physics (OKC)
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