Search for pair-produced vectorlike quarks coupling to light quarks in the lepton plus jets final state using 13 TeV collisions with the ATLAS detector

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dc.contributor.authorAad, G.
dc.contributor.authorAakvaag, E.
dc.contributor.authorAbbott, B.
dc.contributor.authorAbdelhameed, S.
dc.contributor.authorAbeling, K.
dc.contributor.authorAbicht, N.J.
dc.contributor.authorAbidi, S.H.
dc.contributor.authorAboelela, M.
dc.contributor.authorAboulhorma, A.
dc.contributor.authorAbramowicz, H.
dc.contributor.authorAbreu, H.
dc.contributor.authorAbulaiti, Y.
dc.contributor.authorAcharya, B.S.
dc.contributor.authorAckermann, A.
dc.contributor.authorAdam Bourdarios, C.
dc.contributor.authorAdamczyk, L.
dc.contributor.authorAddepalli, S.V.
dc.contributor.authorAddison, M.J.
dc.contributor.authorAdelman, J.
dc.contributor.authorAdiguzel, A.
dc.contributor.authoret al.
dc.date.issued2024
dc.description.abstractA search is presented for the pair production of heavy vectorlike quarks (VLQs) that each decay into a boson and a light quark. This study focuses on events where one boson decays into leptons and the other into hadrons. The search analyzed of collision data with , recorded by the ATLAS detector from 2015 to 2018 during run 2 of the Large Hadron Collider. The final state is characterized by a high-transverse-momentum isolated electron or muon, large missing transverse momentum, multiple small-radius jets, and a single large-radius jet identified as originating from the hadronic decay of a boosted boson. With higher center-of-mass energy and integrated luminosity than in the run 1 search, and improved analysis tools, this analysis excludes VLQs () with masses below 1530 GeV at 95% confidence level for the branching ratio , an improvement of 840 GeV on the previous ATLAS limit.
dc.description.statementofresponsibilityATLAS Collaboration
dc.identifier.citationPhysical Review D, 2024; 110(5):052009-1-052009-27
dc.identifier.doi10.1103/physrevd.110.052009
dc.identifier.issn2470-0010
dc.identifier.issn2470-0029
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/2440/144397
dc.language.isoen
dc.publisherAmerican Physical Society
dc.relation.grantARC
dc.rights© 2024 CERN, for the ATLAS Collaboration. Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. Funded by SCOAP3 .
dc.source.urihttp://dx.doi.org/10.1103/physrevd.110.052009
dc.subjectHypothetical particle physics models; Hypothetical particles
dc.titleSearch for pair-produced vectorlike quarks coupling to light quarks in the lepton plus jets final state using 13 TeV collisions with the ATLAS detector
dc.typeJournal article
pubs.publication-statusPublished

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