Cargando…

Iterative local Chi2 alignment algorithm for the ATLAS Pixel detector

The existing local chi2 alignment approach for the ATLAS SCT detector was extended to the alignment of the ATLAS Pixel detector. This approach is linear, aligns modules separately, and uses distance of closest approach residuals and iterations. The derivation and underlying concepts of the approach...

Descripción completa

Detalles Bibliográficos
Autor principal: Göttfert, Tobias
Lenguaje:eng
Publicado: 2013
Materias:
Acceso en línea:http://cds.cern.ch/record/1511043
_version_ 1780927932195143680
author Göttfert, Tobias
author_facet Göttfert, Tobias
author_sort Göttfert, Tobias
collection CERN
description The existing local chi2 alignment approach for the ATLAS SCT detector was extended to the alignment of the ATLAS Pixel detector. This approach is linear, aligns modules separately, and uses distance of closest approach residuals and iterations. The derivation and underlying concepts of the approach are presented. To show the feasibility of the approach for Pixel modules, a simplified, stand-alone track simulation, together with the alignment algorithm, was developed with the ROOT analysis software package. The Pixel alignment software was integrated into Athena, the ATLAS software framework. First results and the achievable accuracy for this approach with a simulated dataset are presented.
id cern-1511043
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 2013
record_format invenio
spelling cern-15110432019-09-30T06:29:59Zhttp://cds.cern.ch/record/1511043engGöttfert, TobiasIterative local Chi2 alignment algorithm for the ATLAS Pixel detectorDetectors and Experimental TechniquesThe existing local chi2 alignment approach for the ATLAS SCT detector was extended to the alignment of the ATLAS Pixel detector. This approach is linear, aligns modules separately, and uses distance of closest approach residuals and iterations. The derivation and underlying concepts of the approach are presented. To show the feasibility of the approach for Pixel modules, a simplified, stand-alone track simulation, together with the alignment algorithm, was developed with the ROOT analysis software package. The Pixel alignment software was integrated into Athena, the ATLAS software framework. First results and the achievable accuracy for this approach with a simulated dataset are presented.CERN-THESIS-2006-122MPP-2006-118oai:cds.cern.ch:15110432013-01-30T14:45:10Z
spellingShingle Detectors and Experimental Techniques
Göttfert, Tobias
Iterative local Chi2 alignment algorithm for the ATLAS Pixel detector
title Iterative local Chi2 alignment algorithm for the ATLAS Pixel detector
title_full Iterative local Chi2 alignment algorithm for the ATLAS Pixel detector
title_fullStr Iterative local Chi2 alignment algorithm for the ATLAS Pixel detector
title_full_unstemmed Iterative local Chi2 alignment algorithm for the ATLAS Pixel detector
title_short Iterative local Chi2 alignment algorithm for the ATLAS Pixel detector
title_sort iterative local chi2 alignment algorithm for the atlas pixel detector
topic Detectors and Experimental Techniques
url http://cds.cern.ch/record/1511043
work_keys_str_mv AT gottferttobias iterativelocalchi2alignmentalgorithmfortheatlaspixeldetector