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

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dc.contributor.authorAad, G.
dc.contributor.authorAbbott, B.
dc.contributor.authorAbeling, K.
dc.contributor.authorAbicht, N.J.
dc.contributor.authorAbidi, S.H.
dc.contributor.authorAboulhorma, A.
dc.contributor.authorAbramowicz, H.
dc.contributor.authorAbreu, H.
dc.contributor.authorAbulaiti, Y.
dc.contributor.authorAbusleme Hoffman, A.C.
dc.contributor.authorAcharya, B.S.
dc.contributor.authorAdam Bourdarios, C.
dc.contributor.authorAdamczyk, L.
dc.contributor.authorAdamek, L.
dc.contributor.authorAddepalli, S.V.
dc.contributor.authorAddison, M.J.
dc.contributor.authorAdelman, J.
dc.contributor.authorAdiguzel, A.
dc.contributor.authorAdye, T.
dc.contributor.authorAffolder, A.A.
dc.contributor.authoret al.
dc.date.issued2023
dc.description.abstractA search is performed for a heavy particle decaying into diferent-favour, dilepton fnal 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 signifcant 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.
dc.description.statementofresponsibilityThe ATLAS Collaboration
dc.identifier.citationJournal of High Energy Physics (JHEP), 2023; 2023(10)
dc.identifier.doi10.1007/jhep10(2023)082
dc.identifier.issn1126-6708
dc.identifier.issn1029-8479
dc.identifier.orcidFilmer, E.K. [0000-0001-6967-7325]
dc.identifier.orcidJackson, P. [0000-0002-0847-402X]
dc.identifier.orcidKong, A.X.Y. [0000-0001-8063-8765]
dc.identifier.orcidMcDougall, A.E. [0000-0001-7713-2800]
dc.identifier.orcidOliver, J.L. [0000-0002-0713-6627]
dc.identifier.orcidPandya, H.D. [0000-0002-1199-945X]
dc.identifier.orcidPotti, H. [0000-0002-0800-9902]
dc.identifier.orcidRuggeri, T.A. [0000-0001-9941-1966]
dc.identifier.orcidTing, E.X.L. [0000-0002-5886-6339]
dc.identifier.orcidWhite, M.J. [0000-0001-5474-4580]
dc.identifier.urihttps://hdl.handle.net/2440/143034
dc.language.isoen
dc.publisherSpringerOpen
dc.relation.grantARC
dc.rightsCopyright CERN, for the beneft of the ATLAS Collaboration. Article funded by SCOAP3. Open Access. This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0), which permits any use, distribution and reproduction in any medium, provided the original author(s) and source are credited.
dc.source.urihttps://doi.org/10.1007/jhep10(2023)082
dc.subjectBeyond Standard Model; Exotics; Flavour Physics; Hadron-Hadron Scattering
dc.titleSearch for lepton-favour violation in high-mass dilepton fnal states using 139 fb‾ ¹ of pp collisions at √s = 13 TeV with the ATLAS detector
dc.title.alternativeSearch for lepton-favour violation in high-mass dilepton fnal states using 139 fb−1 of pp collisions at √s = 13 TeV with the ATLAS detector
dc.typeJournal article
pubs.publication-statusPublished online

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