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Search for lepton-flavour violation in high-mass dilepton final states using 139 fb−1 of pp collisions at √s=13 TeV with the ATLAS detector

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A search is performed for a heavy particle decaying into different-flavour, dilepton final states, using 139 fb−1 of proton-proton collision data at √s=13 TeV collected in 2015-2018 by the ATLAS detector at the Large Hadron Collider. Final states with electrons, muons and hadronically decaying tau l...

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Main Authors: Aad, Georges (Author) , Abbott, Brad (Author) , Abeling, Kira (Author) , Baltes, Lisa Marie (Author) , Bartels, Falk (Author) , Dittmeier, Sebastian (Author) , Dunford, Monica (Author) , Franchino, Silvia (Author) , Junkermann, Thomas (Author) , Klassen, Martin (Author) , Mkrtchyan, Tigran (Author) , Rassloff, Damir Fabrice (Author) , Rodriguez Bosca, Sergi (Author) , Sauer, Christof (Author) , Schöning, André (Author) , Schultz-Coulon, Hans-Christian (Author) , Sothilingam, Varsiha (Author) , Stamen, Rainer (Author) , Starovoitov, Pavel (Author) , Vigani, Luigi (Author) , Weber, Sebastian (Author) , Wessels, Martin (Author) , Zinßer, Joachim (Author)
Corporate Author: ATLAS Collaboration (Author)
Format: Article (Journal)
Language:English
Published: October 13, 2023
In: Journal of high energy physics
Year: 2023, Volume: 2023, Issue: 10, Pages: 1-50
ISSN:1029-8479
DOI:10.1007/JHEP10(2023)082
Online Access:Verlag, kostenfrei, Volltext: https://doi.org/10.1007/JHEP10(2023)082
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Author Notes:The ATLAS collaboration
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Summary:A search is performed for a heavy particle decaying into different-flavour, dilepton final states, using 139 fb−1 of proton-proton collision data at √s=13 TeV collected in 2015-2018 by the ATLAS detector at the Large Hadron Collider. Final states with electrons, muons and hadronically decaying tau leptons are considered (eμ, eτ or μτ). No significant excess over the Standard Model predictions is observed. Upper limits on the production cross-section are set as a function of the mass of a Z′ boson, a supersymmetric τ-sneutrino, and a quantum black-hole. The observed 95% CL lower mass limits obtained on a typical benchmark model Z′ boson are 5.0 TeV (eμ), 4.0 TeV (eτ), and 3.9 TeV (μτ), respectively.
Item Description:The Atlas Collaboration: G. Aad, B. Abbott, K. Abeling, L.M. Baltes, F. Bartels, S. Dittmeier, M. Dunford, S. Franchino, T. Junkermann, M. Klassen, T. Mkrtchyan, D.M. Rassloff, S. Rodriguez Bosca, C. Sauer, A. Schoening, H-C. Schultz-Coulon, V. Sothilingam, R. Stamen, R. Starovoitov, L. Vigani, S.M. Weber, M. Wessels, J. Zinsser [und viele weitere]
Im Titel ist bei "139 fb−1" die 1 hochgestellt
Im Titel steht der Buchstabe s unter dem Wurzelsymbol
Gesehen am 07.07.2025
Physical Description:Online Resource
ISSN:1029-8479
DOI:10.1007/JHEP10(2023)082

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