Performance of the ATLAS Reconstruction Software with high level of Pileup in 2011

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In 2011 the LHC provided excellent data, the integrated luminosity of about 5 $fb^{-1}$ was more than what was expected. The price for this huge data set is the in- and out-of-time pileup, additional soft collisions overlaid on top of the interesting collision. The reconstruction software is very se...

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Autor principal: Seuster, Rolf
Lenguaje:eng
Publicado: 2012
Materias:
Detectors and Experimental Techniques
Acceso en línea:http://cds.cern.ch/record/1448174
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author Seuster, Rolf
author_facet Seuster, Rolf
author_sort Seuster, Rolf
collection CERN
description In 2011 the LHC provided excellent data, the integrated luminosity of about 5 $fb^{-1}$ was more than what was expected. The price for this huge data set is the in- and out-of-time pileup, additional soft collisions overlaid on top of the interesting collision. The reconstruction software is very sensitive to these additional particles in the event, as the reconstruction time increases due to increased combinatorics. During the running of the experiment in 2011, several successful changes to the software were made that sped up the reconstruction. Pileup has different effects on the various detector technologies used in ATLAS and a general recipe for all subdetectors is not applicable.
id cern-1448174
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 2012
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spelling cern-14481742019-09-30T06:29:59Zhttp://cds.cern.ch/record/1448174engSeuster, RolfPerformance of the ATLAS Reconstruction Software with high level of Pileup in 2011Detectors and Experimental TechniquesIn 2011 the LHC provided excellent data, the integrated luminosity of about 5 $fb^{-1}$ was more than what was expected. The price for this huge data set is the in- and out-of-time pileup, additional soft collisions overlaid on top of the interesting collision. The reconstruction software is very sensitive to these additional particles in the event, as the reconstruction time increases due to increased combinatorics. During the running of the experiment in 2011, several successful changes to the software were made that sped up the reconstruction. Pileup has different effects on the various detector technologies used in ATLAS and a general recipe for all subdetectors is not applicable.ATL-SOFT-SLIDE-2012-202oai:cds.cern.ch:14481742012-05-12
spellingShingle Detectors and Experimental Techniques
Seuster, Rolf
Performance of the ATLAS Reconstruction Software with high level of Pileup in 2011
title Performance of the ATLAS Reconstruction Software with high level of Pileup in 2011
title_full Performance of the ATLAS Reconstruction Software with high level of Pileup in 2011
title_fullStr Performance of the ATLAS Reconstruction Software with high level of Pileup in 2011
title_full_unstemmed Performance of the ATLAS Reconstruction Software with high level of Pileup in 2011
title_short Performance of the ATLAS Reconstruction Software with high level of Pileup in 2011
title_sort performance of the atlas reconstruction software with high level of pileup in 2011
topic Detectors and Experimental Techniques
url http://cds.cern.ch/record/1448174
work_keys_str_mv AT seusterrolf performanceoftheatlasreconstructionsoftwarewithhighlevelofpileupin2011

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