Performance of the ATLAS Level-1 topological trigger in Run 2
Metadatos
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Springer
Date
2022-01-05Referencia bibliográfica
Aad, G., Abbott, B., Abbott, D.C. et al. Performance of the ATLAS Level-1 topological trigger in Run 2. Eur. Phys. J. C 82, 7 (2022). [https://doi.org/10.1140/epjc/s10052-021-09807-0]
Patrocinador
ANID; BSF-NSF; CEA-DRF; Cantons of Bern and Geneva; Czech Republic; DNSRC; EU-ESF; GenT Programmes Generalitat Valenciana, Spain; IRFU; La Caixa Banking Foundation; MES of Russia; MESTD; MIZŠ; MSMT; MSSR; PROMETEO; RGC; VSC CR; Wallenberg Foundation; National Science Foundation; U.S. Department of Energy; Alexander von Humboldt-Stiftung; Departamento Administrativo de Ciencia, Tecnología e Innovación (COLCIENCIAS); Canarie; H2020 Marie Skłodowska-Curie Actions; Arizona-Nevada Academy of Science; CERN; Glycemic Index Foundation; Göran Gustafssons Stiftelser; Natural Sciences and Engineering Research Council of Canada; National Research Council Canada; Canada Foundation for Innovation; Science and Technology Facilities Council; Leverhulme Trust; Royal Society; European Research Council; European Cooperation in Science and Technology; Australian Research Council; Neurosurgical Research Foundation; Department of Science and Technology, Ministry of Science and Technology, India; Singapore Eye Research Institute; Helmholtz-Gemeinschaft; Deutsche Forschungsgemeinschaft; Agence Nationale de la Recherche; Japan Society for the Promotion of Science; Ministry of Education, Culture, Sports, Science and Technology; Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung; Danmarks Grundforskningsfond; Fundação de Amparo à Pesquisa do Estado de São Paulo; National Natural Science Foundation of China; Fundação para a Ciência e a Tecnologia; Bundesministerium für Bildung und Forschung; Chinese Academy of Sciences; Austrian Science Fund; Generalitat de Catalunya; Agencia Nacional de Promoción Científica y Tecnológica; Nederlandse Organisatie voor Wetenschappelijk Onderzoek; Bundesministerium für Wissenschaft, Forschung und Wirtschaft; General Secretariat for Research and Technology; Conselho Nacional de Desenvolvimento Científico e Tecnológico; Joint Institute for Nuclear Research; Nella and Leon Benoziyo Center for Neurological Diseases, Weizmann Institute of Science; Israel Science Foundation; Instituto Nazionale di Fisica Nucleare; Narodowe Centrum Nauki; Javna Agencija za Raziskovalno Dejavnost RS; Ministerstwo Edukacji i Nauki; Ministry of Science and Technology, Taiwan; Ministerio de Ciencia e Innovación; Centre National pour la Recherche Scientifique et Technique; Horizon 2020; British Columbia Knowledge Development Fund; European Regional Development Fund; Beijing Municipal Science and Technology Commission; Council on grants of the President of the Russian Federation; National Research Center "Kurchatov Institute"; Institut de Valorisation des DonnéesRésumé
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× 1034 cm- 2s- 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, τ-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.