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The LHCb trigger in Run II

The LHCb trigger system has been upgraded to allow alignment, calibration and physics analysis to be performed in real time. An increased CPU capacity and improvements in the software have allowed lifetime unbiased selections of beauty and charm decays in the high level trigger. Thanks to offline qu...

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Autor principal: Michielin, Emanuele
Lenguaje:eng
Publicado: SISSA 2016
Materias:
Acceso en línea:https://dx.doi.org/10.22323/1.282.0996
http://cds.cern.ch/record/2287601
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author Michielin, Emanuele
author_facet Michielin, Emanuele
author_sort Michielin, Emanuele
collection CERN
description The LHCb trigger system has been upgraded to allow alignment, calibration and physics analysis to be performed in real time. An increased CPU capacity and improvements in the software have allowed lifetime unbiased selections of beauty and charm decays in the high level trigger. Thanks to offline quality event reconstruction already available online, physics analyses can be performed directly on this information and for the majority of charm physics selections a reduced event format can be written out. Beauty hadron decays are more efficiently triggered by re-optimised inclusive selections, and the HLT2 output event rate is increased by a factor of three.
id oai-inspirehep.net-1596825
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 2016
publisher SISSA
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spelling oai-inspirehep.net-15968252019-10-15T15:28:47Zdoi:10.22323/1.282.0996http://cds.cern.ch/record/2287601engMichielin, EmanueleThe LHCb trigger in Run IIDetectors and Experimental TechniquesThe LHCb trigger system has been upgraded to allow alignment, calibration and physics analysis to be performed in real time. An increased CPU capacity and improvements in the software have allowed lifetime unbiased selections of beauty and charm decays in the high level trigger. Thanks to offline quality event reconstruction already available online, physics analyses can be performed directly on this information and for the majority of charm physics selections a reduced event format can be written out. Beauty hadron decays are more efficiently triggered by re-optimised inclusive selections, and the HLT2 output event rate is increased by a factor of three.SISSAoai:inspirehep.net:15968252016
spellingShingle Detectors and Experimental Techniques
Michielin, Emanuele
The LHCb trigger in Run II
title The LHCb trigger in Run II
title_full The LHCb trigger in Run II
title_fullStr The LHCb trigger in Run II
title_full_unstemmed The LHCb trigger in Run II
title_short The LHCb trigger in Run II
title_sort lhcb trigger in run ii
topic Detectors and Experimental Techniques
url https://dx.doi.org/10.22323/1.282.0996
http://cds.cern.ch/record/2287601
work_keys_str_mv AT michielinemanuele thelhcbtriggerinrunii
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