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Search for squarks and gluinos in pp collisions at √s=13 TeV and 13.6 TeV in events with τ-leptons, jets and missing transverse momentum using the ATLAS detector

A search for R-parity-conserving supersymmetry in events with large missing transverse momentum, jets and at least one hadronically decaying tau-lepton is presented. Both gluino and squark pair production are considered, with the cascade decay of each gluino or squark producing either a tau-slepton...

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Detalles Bibliográficos
Autores principales: Aad, Georges (Autor) , Ackermann, Anke (Autor) , Backes, Mathias (Autor) , Baltes, Lisa Marie (Autor) , Bartels, Falk (Autor) , Dittmeier, Sebastian (Autor) , Dunford, Monica (Autor) , Franchino, Silvia (Autor) , Junkermann, Thomas (Autor) , Nandi, Abhirikshma (Autor) , Sanfilippo, Lorenzo (Autor) , Schöning, André (Autor) , Schultz-Coulon, Hans-Christian (Autor) , Sothilingam, Varsiha (Autor) , Stamen, Rainer (Autor) , Vigani, Luigi (Autor) , Wessels, Martin (Autor) , Zinßer, Joachim (Autor)
Autor Corporativo: ATLAS Collaboration (Autor)
Formato: Article (Journal)
Lenguaje:inglés
Publicado: 18 December 2025
In: The European physical journal. C, Particles and fields
Year: 2025, Volumen: 85, Número: 12, Pages: 1-47
ISSN:1434-6052
DOI:10.1140/epjc/s10052-025-14957-6
Acceso en línea:Verlag, kostenfrei, Volltext: https://doi.org/10.1140/epjc/s10052-025-14957-6
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Notas de Autor:ATLAS Collaboration
Descripción
Sumario:A search for R-parity-conserving supersymmetry in events with large missing transverse momentum, jets and at least one hadronically decaying tau-lepton is presented. Both gluino and squark pair production are considered, with the cascade decay of each gluino or squark producing either a tau-slepton or a tau-sneutrino. Three channels are examined, requiring either exactly one hadronically decaying tau-lepton and no other leptons, exactly one hadronically decaying tau-lepton and at least one other lepton, or two or more hadronically decaying tau-leptons. Analyses in the three channels are optimised independently and combined statistically. Two separate analysis strategies, either a cut-and-count or machine-learning approach, are used. The search uses 140 fb(-1) and 51.8 fb(-1) of pp collision data recorded by the ATLAS detector at the Large Hadron Collider during 2015-2018 at root s=13 TeV and 2022-2023 at root s=13.6 TeV, respectively. Gluino masses below 2.25 TeV and squark masses up to 1.7 TeV are excluded
Notas:ATLAS Collaboration: G. Aad, A. Ackermann, M.J. Backes, L.M. Baltes, F. Bartels, S.J. Dittmeier, M. Dunford, S. Franchino, T. Junkermann, A. Nandi, L. Sanfilippo, A. Schoening, H.-C. Schultz-Coulon, V. Sothilingam, R. Stamen, L. Vigani, M. Wessels, J. Zinsser [und viele weitere]
Gesehen am 23.06.2026
Descripción Física:Online Resource
ISSN:1434-6052
DOI:10.1140/epjc/s10052-025-14957-6

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