The ATLAS collaboration (Including: Becker, K., Facini, Gabriel, Harrison, P. F., Jones, E., Martin, T. A., Morgenstern, S., Murray , W. J., Roberts, B., Spangenberg, Martin and Vladimirov, V. E.). (2021) Search for R-parity-violating supersymmetry in a final state containing leptons and many jets with the ATLAS experiment using s = 13 TeV proton–proton collision data. The European Physical Journal C, 81 (11). 1023. doi:10.1140/epjc/s10052-021-09761-x ISSN 1434-6052.

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Abstract

A search for R-parity-violating supersymmetry in final states characterized by high jet multiplicity, at least one isolated light lepton and either zero or at least three b-tagged jets is presented. The search uses 139fb-1 of s=13TeV proton–proton collision data collected by the ATLAS experiment during Run 2 of the Large Hadron Collider. The results are interpreted in the context of R-parity-violating supersymmetry models that feature gluino production, top-squark production, or electroweakino production. The dominant sources of background are estimated using a data-driven model, based on observables at medium jet multiplicity, to predict the b-tagged jet multiplicity distribution at the higher jet multiplicities used in the search. Machine-learning techniques are used to reach sensitivity to electroweakino production, extending the data-driven background estimation to the shape of the machine-learning discriminant. No significant excess over the Standard Model expectation is observed and exclusion limits at the 95% confidence level are extracted, reaching as high as 2.4 TeV in gluino mass, 1.35 TeV in top-squark mass, and 320 (365) GeV in higgsino (wino) mass.

Item Type:	Journal Article
Subjects:	Q Science > QC Physics
Divisions:	Faculty of Science, Engineering and Medicine > Science > Physics
SWORD Depositor:	Library Publications Router
Library of Congress Subject Headings (LCSH):	Supersymmetry, Particles (Nuclear physics), Particle acceleration, Elementary particles (Physics), Quantum field theory
Journal or Publication Title:	The European Physical Journal C
Publisher:	Springer Berlin Heidelberg
ISSN:	1434-6052
Official Date:	23 November 2021
Dates:	Date Event 23 November 2021 Published 19 October 2021 Accepted
Volume:	81
Number:	11
Article Number:	1023
DOI:	10.1140/epjc/s10052-021-09761-x
Status:	Peer Reviewed
Publication Status:	Published
Access rights to Published version:	Open Access (Creative Commons)
Date of first compliant deposit:	8 December 2021
Date of first compliant Open Access:	8 December 2021
RIOXX Funder/Project Grant:	Project/Grant ID RIOXX Funder Name Funder ID UNSPECIFIED CERN http://dx.doi.org/10.13039/100012470 UNSPECIFIED Agencia Nacional de Promoción Científica y Tecnológica http://dx.doi.org/10.13039/501100003074 UNSPECIFIED Yerevan Physics Institute http://dx.doi.org/10.13039/501100000923 UNSPECIFIED [ARC] Australian Research Council http://dx.doi.org/10.13039/501100000923 UNSPECIFIED Bundesministerium für Wissenschaft, Forschung und Wirtschaft http://dx.doi.org/10.13039/501100003413 UNSPECIFIED Austrian Science Fund http://dx.doi.org/10.13039/501100002428 UNSPECIFIED Azerbaijan National Academy of Sciences UNSPECIFIED UNSPECIFIED Scientific Software Technologies Center UNSPECIFIED UNSPECIFIED Conselho Nacional de Desenvolvimento Científico e Tecnológico http://dx.doi.org/10.13039/501100003593 UNSPECIFIED Fundação Carlos Chagas Filho de Amparo à Pesquisa do Estado do Rio de Janeiro http://dx.doi.org/10.13039/501100004586 UNSPECIFIED [NSFC] National Natural Science Foundation of China http://dx.doi.org/10.13039/501100001809 UNSPECIFIED [NRC] National Research Council Canada http://dx.doi.org/10.13039/501100000046 UNSPECIFIED [CFI] Canada Foundation for Innovation http://dx.doi.org/10.13039/501100000196 UNSPECIFIED Agencia Nacional de Investigación y Desarrollo UNSPECIFIED UNSPECIFIED [CAS] Chinese Academy of Sciences http://dx.doi.org/10.13039/501100002367 UNSPECIFIED Ministry of Science and Technology of the People's Republic of China http://dx.doi.org/10.13039/501100002855 UNSPECIFIED [NSFC] National Natural Science Foundation of China http://dx.doi.org/10.13039/501100001809 UNSPECIFIED Departamento Administrativo de Ciencia, Tecnología e Innovación (COLCIENCIAS) http://dx.doi.org/10.13039/100007637 UNSPECIFIED Ministerstvo školství, mládeže a tĕlovýchovy UNSPECIFIED UNSPECIFIED Ministerstvo průmyslu a obchodu UNSPECIFIED UNSPECIFIED Danmarks Grundforskningsfond http://dx.doi.org/10.13039/501100001732 UNSPECIFIED Statens naturvidenskabelige forskningsråd UNSPECIFIED UNSPECIFIED VSC CR (Czech Republic) UNSPECIFIED UNSPECIFIED [IN2P3] Institut national de physique nucléaire et de physique des particules http://viaf.org/viaf/137207166 UNSPECIFIED [CNRS] Centre National de la Recherche Scientifique http://dx.doi.org/10.13039/501100004794 UNSPECIFIED CEA Fundamental Research Division UNSPECIFIED UNSPECIFIED Institute of Research into the Fundamental Laws of the Universe (IRFU) UNSPECIFIED UNSPECIFIED Shota Rustaveli National Science Foundation http://dx.doi.org/10.13039/501100004801 UNSPECIFIED Bundesministerium für Bildung und Forschung http://dx.doi.org/10.13039/501100002347 UNSPECIFIED Helmholtz-Gemeinschaft http://dx.doi.org/10.13039/501100001656 UNSPECIFIED Max-Planck-Gesellschaft http://dx.doi.org/10.13039/501100004189 UNSPECIFIED General Secretariat for Research and Technology http://dx.doi.org/10.13039/501100003448 UNSPECIFIED Research Grants Council, University Grants Committee http://dx.doi.org/10.13039/501100002920 UNSPECIFIED Special Administrative Regions (SAR) UNSPECIFIED UNSPECIFIED Israel Science Foundation http://dx.doi.org/10.13039/501100003977 UNSPECIFIED Nella and Leon Benoziyo Center for Neurological Diseases, Weizmann Institute of Science http://dx.doi.org/10.13039/501100003941 UNSPECIFIED [INFN] Instituto Nazionale di Fisica Nucleare http://dx.doi.org/10.13039/501100004007 UNSPECIFIED [MEXT] Ministry of Education, Culture, Sports, Science and Technology http://dx.doi.org/10.13039/501100001700 UNSPECIFIED [JSPS] Japan Society for the Promotion of Science http://dx.doi.org/10.13039/501100001691 UNSPECIFIED Centre National pour la Recherche Scientifique et Technique http://dx.doi.org/10.13039/501100006319 UNSPECIFIED [NWO] Nederlandse Organisatie voor Wetenschappelijk Onderzoek http://dx.doi.org/10.13039/501100003246 UNSPECIFIED Norges Forskningsråd http://dx.doi.org/10.13039/501100005416 UNSPECIFIED Ministerstwo Nauki i Szkolnictwa Wyższego http://dx.doi.org/10.13039/501100004569 UNSPECIFIED Narodowe Centrum Nauki http://dx.doi.org/10.13039/501100004281 UNSPECIFIED Fundação para a Ciência e a Tecnologia http://dx.doi.org/10.13039/501100001871 UNSPECIFIED Ministerul Educației, Cercetării și Tineretului UNSPECIFIED UNSPECIFIED Institutul de Fizică Atomică http://viaf.org/viaf/154740159 UNSPECIFIED [MES] Ministry of Education and Science of the Russian Federation http://dx.doi.org/10.13039/501100003443 UNSPECIFIED Joint Institute for Nuclear Research http://dx.doi.org/10.13039/501100003822 UNSPECIFIED National Research Center Kurchatov Institute UNSPECIFIED UNSPECIFIED Ministarstvo Prosvete, Nauke i Tehnološkog Razvoja http://dx.doi.org/10.13039/501100004564 UNSPECIFIED Javna Agencija za Raziskovalno Dejavnost RS http://dx.doi.org/10.13039/501100004329 UNSPECIFIED Ministrstvo za Izobraževanje, Znanost in Šport http://dx.doi.org/10.13039/501100005989 UNSPECIFIED Department of Science and Technology http://dx.doi.org/10.13039/501100010218 UNSPECIFIED National Research Foundation UNSPECIFIED UNSPECIFIED Ministerio de Ciencia e Innovación UNSPECIFIED UNSPECIFIED Stockholm Resilience Centre UNSPECIFIED UNSPECIFIED Knut och Alice Wallenbergs Stiftelse http://dx.doi.org/10.13039/501100004063 UNSPECIFIED [SERI] Staatssekretariat für Bildung, Forschung und Innovation http://dx.doi.org/10.13039/501100007352 UNSPECIFIED [SNSF] Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung http://dx.doi.org/10.13039/501100001711 UNSPECIFIED Cantons of Bern UNSPECIFIED UNSPECIFIED Cantons of Geneva UNSPECIFIED UNSPECIFIED Ministry of Science and Technology, Taiwan http://dx.doi.org/10.13039/501100004663 UNSPECIFIED Türkiye Atom Enerjisi Kurumu http://viaf.org/viaf/135144877 UNSPECIFIED [STFC] Science and Technology Facilities Council http://dx.doi.org/10.13039/501100000271 UNSPECIFIED [DOE] U.S. Department of Energy http://dx.doi.org/10.13039/100000015 UNSPECIFIED National Science Foundation http://dx.doi.org/10.13039/501100008982 UNSPECIFIED British Columbia Knowledge Development Fund http://dx.doi.org/10.13039/501100007711 UNSPECIFIED Canarie http://dx.doi.org/10.13039/100008313 UNSPECIFIED Canada Research Chairs http://dx.doi.org/10.13039/501100001804 UNSPECIFIED Compute Canada http://dx.doi.org/10.13039/100013020 UNSPECIFIED Beijing Municipal Science and Technology Commission http://dx.doi.org/10.13039/501100009592 UNSPECIFIED Institute for Data Valorization UNSPECIFIED UNSPECIFIED European Cooperation in Science and Technology http://dx.doi.org/10.13039/501100000921 UNSPECIFIED [ERDF] European Regional Development Fund http://dx.doi.org/10.13039/501100008530 UNSPECIFIED [ERC] Horizon 2020 Framework Programme http://dx.doi.org/10.13039/100010661 UNSPECIFIED H2020 Marie Skłodowska-Curie Actions http://dx.doi.org/10.13039/100010665 UNSPECIFIED [ANR] Agence Nationale de la Recherche http://dx.doi.org/10.13039/501100001665 UNSPECIFIED [DFG] Deutsche Forschungsgemeinschaft http://dx.doi.org/10.13039/501100001659 UNSPECIFIED American Friends of the Alexander von Humboldt Foundation http://dx.doi.org/10.13039/100003579 UNSPECIFIED European Social Fund http://dx.doi.org/10.13039/501100004895 UNSPECIFIED European Commission http://dx.doi.org/10.13039/501100000780 UNSPECIFIED German-Israeli Foundation for Scientific Research and Development http://dx.doi.org/10.13039/501100001736 UNSPECIFIED United States-Israel Binational Science Foundation http://dx.doi.org/10.13039/501100001742 UNSPECIFIED Rosenzweig Minerva Research Center for German-Jewish Literature and Cultural History, Hebrew University of Jerusalem http://dx.doi.org/10.13039/501100001740 UNSPECIFIED [RS] Royal Society http://dx.doi.org/10.13039/501100000288 UNSPECIFIED Leverhulme Trust http://dx.doi.org/10.13039/501100000275 UNSPECIFIED Erewani Fizikayi Institowt http://viaf.org/viaf/138989470 UNSPECIFIED Investissements d’Avenir Labex and Idex UNSPECIFIED UNSPECIFIED Generalitat de Catalunya UNSPECIFIED UNSPECIFIED Generalitat Valenciana http://dx.doi.org/10.13039/501100003359 UNSPECIFIED Göran Gustafssons Stiftelser UNSPECIFIED
Contributors:	Contribution Name Contributor ID Research Group The ATLAS collaboration, UNSPECIFIED

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