Performance of the ATLAS Level-1 topological trigger in Run 2

Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.11851/8124

Title:	Performance of the ATLAS Level-1 topological trigger in Run 2
Authors:	Aad, G. Abbott, B. Abbott, D. C. Abud, A. Abed Abeling, K. Abhayasinghe, D. K. Sultansoy, Saleh The ATLAS Collaboration
Publisher:	Springer
Abstract:	During LHC Run 2 (2015-2018) the ATLAS Level-1 topological trigger allowed efficient data-taking by the ATLAS experiment at luminosities up to 2.1 x10(34) cm(-2) s(-1), which exceeds the design value by a factor of two. The system was installed in 2016 and operated in 2017 and 2018. It uses Field Programmable Gate Array processors to select interesting events by placing kinematic and angular requirements on electromagnetic clusters, jets, tau-leptons, muons and the missing transverse energy. It allowed to significantly improve the background event rejection and signal event acceptance, in particular for Higgs and B-physics processes.
URI:	https://doi.org/10.1140/epjc/s10052-021-09807-0 https://hdl.handle.net/20.500.11851/8124
ISSN:	1434-6044 1434-6052
Appears in Collections:	Malzeme Bilimi ve Nanoteknoloji Mühendisliği Bölümü / Department of Material Science & Nanotechnology Engineering Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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