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Alignment of the ATLAS Inner Detector Tracking System

In order to reconstruct trajectories of charged particles produced in the LHC collisions, ATLAS is equipped with a tracking system built using two different technologies, silicon planar sensors (pixel and microstrips) and drift-tube based detectors. Together they constitute the ATLAS Inner Detector,...

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Autor principal: Skinnari, L
Lenguaje:eng
Publicado: 2011
Materias:
Acceso en línea:http://cds.cern.ch/record/1368157
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author Skinnari, L
author_facet Skinnari, L
author_sort Skinnari, L
collection CERN
description In order to reconstruct trajectories of charged particles produced in the LHC collisions, ATLAS is equipped with a tracking system built using two different technologies, silicon planar sensors (pixel and microstrips) and drift-tube based detectors. Together they constitute the ATLAS Inner Detector, which is embedded in a 2 T solenoid field. In order to achieve required performance, an alignment of the ATLAS inner tracking system is required, to accurately determine the position and orientations of the detector modules. The ATLAS Inner Detector has been aligned using high pT, isolated collision tracks, and using cosmic-ray tracks collected between LHC proton-proton collisions. This poster presents the alignment procedure, its results, and performance with LHC collision data. Results from real data are compared with Monte Carlo simulation of a perfectly aligned detector.
id cern-1368157
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 2011
record_format invenio
spelling cern-13681572019-09-30T06:29:59Zhttp://cds.cern.ch/record/1368157engSkinnari, LAlignment of the ATLAS Inner Detector Tracking SystemDetectors and Experimental TechniquesIn order to reconstruct trajectories of charged particles produced in the LHC collisions, ATLAS is equipped with a tracking system built using two different technologies, silicon planar sensors (pixel and microstrips) and drift-tube based detectors. Together they constitute the ATLAS Inner Detector, which is embedded in a 2 T solenoid field. In order to achieve required performance, an alignment of the ATLAS inner tracking system is required, to accurately determine the position and orientations of the detector modules. The ATLAS Inner Detector has been aligned using high pT, isolated collision tracks, and using cosmic-ray tracks collected between LHC proton-proton collisions. This poster presents the alignment procedure, its results, and performance with LHC collision data. Results from real data are compared with Monte Carlo simulation of a perfectly aligned detector.ATL-INDET-SLIDE-2011-341oai:cds.cern.ch:13681572011-07-16
spellingShingle Detectors and Experimental Techniques
Skinnari, L
Alignment of the ATLAS Inner Detector Tracking System
title Alignment of the ATLAS Inner Detector Tracking System
title_full Alignment of the ATLAS Inner Detector Tracking System
title_fullStr Alignment of the ATLAS Inner Detector Tracking System
title_full_unstemmed Alignment of the ATLAS Inner Detector Tracking System
title_short Alignment of the ATLAS Inner Detector Tracking System
title_sort alignment of the atlas inner detector tracking system
topic Detectors and Experimental Techniques
url http://cds.cern.ch/record/1368157
work_keys_str_mv AT skinnaril alignmentoftheatlasinnerdetectortrackingsystem