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Upgrades to the ATLAS Level-1 Calorimeter Trigger
Stockholm University, Faculty of Science, Department of Physics. Stockholm University, Faculty of Science, The Oskar Klein Centre for Cosmo Particle Physics (OKC). (ATLAS TDAQ Community)
2014 (English)In: Journal of Instrumentation, ISSN 1748-0221, E-ISSN 1748-0221, Vol. 9, C01023- p.Article in journal (Refereed) Published
Abstract [en]

In 2015 the Large Hadron Collider will run with increased center-of-mass energy and luminosity. To maintain a high efficiency in selecting interesting collisions for the physics analyses in the next data-taking period, event topology information will be added to the ATLAS Level-1 real time data path and processed by a new Topology Processor (L1Topo). To cope with the luminosity levels foreseen after the 2018 LHC upgrade, a new digital trigger path for the Liquid Argon calorimeters will provide finer granularity and depth segmentation in the electromagnetic layer to new Level-1 feature extractors (FEX) for an improved electron, photon, tau and jet selection. We present the ongoing and future calorimeter trigger upgrades to the ATLAS Level-1 trigger.

Place, publisher, year, edition, pages
Institute of Physics (IOP), 2014. Vol. 9, C01023- p.
Keyword [en]
Trigger concepts and systems (hardware and software), Trigger algorithms
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:su:diva-102494DOI: 10.1088/1748-0221/9/01/C01023ISI: 000332307000023OAI: oai:DiVA.org:su-102494DiVA: diva2:710464
Conference
Topical Workshop on Electronics for Particle Physics, SEP 23-27, 2013, Perugia, ITALY
Note

AuthorCount:1;

Available from: 2014-04-07 Created: 2014-04-07 Last updated: 2017-12-05Bibliographically approved

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Plucinski, Pawel
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