Performance of the ATLAS Jet Trigger

There have been a lot of recent changes in the ATLAS jet trigger. The standard strategy, based on Regions Of Interest, is not well-suited for multi-jet events since it leads to pathologies and efficiency losses. This philosophy has been changed for the jet trigger, and we now have the possibility of...

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Detalles Bibliográficos
Autor principal: Lopes, L
Lenguaje:eng
Publicado: 2012
Materias:
Detectors and Experimental Techniques
Acceso en línea:http://cds.cern.ch/record/1461963
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author Lopes, L
author_facet Lopes, L
author_sort Lopes, L
collection CERN
description There have been a lot of recent changes in the ATLAS jet trigger. The standard strategy, based on Regions Of Interest, is not well-suited for multi-jet events since it leads to pathologies and efficiency losses. This philosophy has been changed for the jet trigger, and we now have the possibility of unpacking the full calorimeter at Event Filter and (even for a small subset of the events) at an intermediate level between Level-1 and Level-2. We also moved to the use of calibrated scale at trigger level, and to the application of noise cuts to reduce rate spikes. We will present the performance of the jet trigger in 2011, when most of these changes were operational
id cern-1461963
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 2012
record_format invenio
spelling cern-14619632019-09-30T06:29:59Zhttp://cds.cern.ch/record/1461963engLopes, LPerformance of the ATLAS Jet TriggerDetectors and Experimental TechniquesThere have been a lot of recent changes in the ATLAS jet trigger. The standard strategy, based on Regions Of Interest, is not well-suited for multi-jet events since it leads to pathologies and efficiency losses. This philosophy has been changed for the jet trigger, and we now have the possibility of unpacking the full calorimeter at Event Filter and (even for a small subset of the events) at an intermediate level between Level-1 and Level-2. We also moved to the use of calibrated scale at trigger level, and to the application of noise cuts to reduce rate spikes. We will present the performance of the jet trigger in 2011, when most of these changes were operationalATL-DAQ-PROC-2012-044oai:cds.cern.ch:14619632012-07-15
spellingShingle Detectors and Experimental Techniques
Lopes, L
Performance of the ATLAS Jet Trigger
title Performance of the ATLAS Jet Trigger
title_full Performance of the ATLAS Jet Trigger
title_fullStr Performance of the ATLAS Jet Trigger
title_full_unstemmed Performance of the ATLAS Jet Trigger
title_short Performance of the ATLAS Jet Trigger
title_sort performance of the atlas jet trigger
topic Detectors and Experimental Techniques
url http://cds.cern.ch/record/1461963
work_keys_str_mv AT lopesl performanceoftheatlasjettrigger

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