Please use this identifier to cite or link to this item: https://hdl.handle.net/2440/101690
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Type: Journal article
Title: Performance of the ATLAS trigger system in 2010
Author: Aad, G.
ATLAS Collaboration
Citation: European Physical Journal C: Particles and Fields, 2012; 72(1):1849-1-1849-61
Publisher: Springer
Issue Date: 2012
ISSN: 1434-6044
1434-6052
Statement of
Responsibility: 
G. Aad ... P. Jackson ... L. Lee ... A. Petridis ... N. Soni ... M.J.White ... et al. (ATLAS Collabration)
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.
Rights: © CERN for the benefit of the ATLAS collaboration 2011. This article is published with open access at Springerlink.com. This article is distributed under the terms of the Creative Commons Attribution Noncommercial License which permits any noncommercial use, distribution, and reproduction in any medium, provided the original author(s) and source are credited.
DOI: 10.1140/epjc/s10052-011-1849-1
Published version: http://dx.doi.org/10.1140/epjc/s10052-011-1849-1
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