Search for chargino–neutralino pair production in final states with three leptons and missing transverse momentum in √s = 13 TeV pp collisions with the ATLAS detector

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URI: http://hdl.handle.net/10481/72724
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Author
Aguilar Saavedra, Juan Antonio; Rodríguez Chala, Mikael; Aad, G.; Atlas Collaboration
Editorial
Springer Science and Business Media Deutschland GmbH
Date
2021-12-20
Referencia bibliográfica
Aad, G., Abbott, B., Abbott, D.C. et al. Search for chargino–neutralino pair production in final states with three leptons and missing transverse momentum in s√=13 TeV pp collisions with the ATLAS detector. Eur. Phys. J. C 81, 1118 (2021). [https://doi.org/10.1140/epjc/s10052-021-09749-7]
Sponsorship
ANID; BSF-NSF; CEA-DRF; Cantons of Bern and Geneva; Czech Republic; DNSRC; EU-ESF; GIF, Israel; GenT Programmes Generalitat Valenciana, Spain; IRFU; La Caixa Banking Foundation; MES of Russia; MESTD; MIZŠ; MSMT; MSSR; Norwegian Financial Mechanism 2014-2021; PROMETEO; RGC; VSC CR; Wallenberg Foundation; National Science Foundation; U.S. Department of Energy; Alexander von Humboldt-Stiftung; Canarie; H2020 Marie Skłodowska-Curie Actions; Arizona-Nevada Academy of Science; CERN; Compute Canada; 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; 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; 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; Defence Science Institute; Council on grants of the President of the Russian Federation; National Research Center "Kurchatov Institute"
Abstract
A search for chargino–neutralino pair production in three-lepton final states with missing transverse momentum is presented. The study is based on a dataset of s=13 TeV pp collisions recorded with the ATLAS detector at the LHC, corresponding to an integrated luminosity of 139 fb - 1. No significant excess relative to the Standard Model predictions is found in data. The results are interpreted in simplified models of supersymmetry, and statistically combined with results from a previous ATLAS search for compressed spectra in two-lepton final states. Various scenarios for the production and decay of charginos (χ~1±) and neutralinos (χ~20) are considered. For pure higgsino χ~1±χ~20 pair-production scenarios, exclusion limits at 95% confidence level are set on χ~20 masses up to 210 GeV. Limits are also set for pure wino χ~1±χ~20 pair production, on χ~20 masses up to 640 GeV for decays via on-shell W and Z bosons, up to 300 GeV for decays via off-shell W and Z bosons, and up to 190 GeV for decays via W and Standard Model Higgs bosons.
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Atribución 3.0 España
Except where otherwise noted, this item's license is described as Atribución 3.0 España