Performance of the ATLAS Trigger System in 2010

Barton, Adam and Borissov, Guennadi and Bouhova-Thacker, Eva and Brodbeck, Timothy and Catmore, James and Chilingarov, Alexandre and Davidson, Ruth and de Mora, Lee and Fox, Harald and Henderson, Robert and Hughes, Gareth and Jones, Roger William Lewis and Kartvelishvili, Vakhtang and Long, Robin and Love, Peter and Ratoff, Peter and Sloan, Terence and Smizanska, Maria and Walder, James (2012) Performance of the ATLAS Trigger System in 2010. European Physical Journal C: Particles and Fields, 72 (1). ISSN 1434-6044

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Abstract

Proton–proton collisions at s√=7 TeV and heavy ion collisions at sNN−−−−√=2.76 TeV were produced by the LHC and recorded using the ATLAS experiment’s trigger system in 2010. The LHC is designed with a maximum bunch crossing rate of 40 MHz and the ATLAS trigger system is designed to record approximately 200 of these per second. The trigger system selects events by rapidly identifying signatures of muon, electron, photon, tau lepton, jet, and B meson candidates, as well as using global event signatures, such as missing transverse energy. An overview of the ATLAS trigger system, the evolution of the system during 2010 and the performance of the trigger system components and selections based on the 2010 collision data are shown. A brief outline of plans for the trigger system in 2011 is presented.

Item Type: Journal Article
Journal or Publication Title: European Physical Journal C: Particles and Fields
Additional Information: This article is distributed under the terms of the Creative Commons Attribution License which permits any use, distribution, and reproduction in any medium, provided the original author(s) and the source are credited.
Uncontrolled Keywords: /dk/atira/pure/subjectarea/asjc/2200/2201
Subjects:
Departments: Faculty of Science and Technology > Physics
ID Code: 68236
Deposited By: ep_importer_pure
Deposited On: 04 Jan 2014 00:07
Refereed?: Yes
Published?: Published
Last Modified: 19 Feb 2020 08:16
URI: https://eprints.lancs.ac.uk/id/eprint/68236

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