Search for Vector-Boson Resonances Decaying to a Top Quark and Bottom Quark in the Lepton Plus Jets Final State in pp Collisions at √s=13 TeV with the ATLAS Detector

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dc.contributor.VIAF250674117 (Izen, JM)
dc.contributor.authorAaboud, M.
dc.contributor.authorAad, G.
dc.contributor.authorAbbott, B.
dc.contributor.authorAbdinov, O.
dc.contributor.authorAbeloos, B.
dc.contributor.authorAbhayasinghe, D. K.
dc.contributor.authorAbidi, S. H.
dc.contributor.authorIzen, Joseph M.
dc.contributor.authorMeirose, Bernhard
dc.contributor.authorReeves, Kendall
dc.contributor.authorATLAS Collaboration
dc.contributor.utdAuthorIzen, Joseph M.
dc.contributor.utdAuthorMeirose, Bernhard
dc.contributor.utdAuthorReeves, Kendall
dc.date.accessioned2020-09-14T20:28:24Z
dc.date.available2020-09-14T20:28:24Z
dc.date.issued2018-11-22
dc.description.abstractA search for new charged massive gauge bosons, W′, is performed with the ATLAS detector at the LHC. Data were collected in proton-proton collisions at a center-of-mass energy of √s = 13 TeV and correspond to an integrated luminosity of 36.1 fb⁻¹. This analysis searches for W′ bosons in the W′ > tb̅ decay channel in final states with an electron or muon plus jets. The search covers resonance masses between 0.5 and 5.0 TeV and considers right-handed W′ bosons. No significant deviation from the Standard Model (SM) expectation is observed and upper limits are set on the W′ > tb̅ cross section times branching ratio and the W′ boson effective couplings as a function of the W′ boson mass. For right-handed W′ bosons with coupling to the SM particles equal to the SM weak coupling constant, masses below 3.15 TeV are excluded at the 95% confidence level. This search is also combined with a previously published ATLAS result for W′ > tb̅ in the fully hadronic final state. Using the combined searches, right-handed W′ bosons with masses below 3.25 TeV are excluded at the 95% confidence level.
dc.description.departmentSchool of Natural Sciences and Mathematics
dc.identifier.bibliographicCitationAaboud, M., G. Aad, B. Abbott, O. Abdinov, et al. 2019. "Search for vector-boson resonances decaying to a top quark and bottom quark in the lepton plus jets final state in pp collisions at √s=13 TeV with the ATLAS detector." Physics Letters B 788: 347-370, doi: 10.1016/j.physletb.2018.11.032
dc.identifier.issn0370-2693
dc.identifier.urihttps://dx.doi.org/10.1016/j.physletb.2018.11.032
dc.identifier.urihttps://hdl.handle.net/10735.1/8883
dc.identifier.volume788
dc.language.isoen
dc.publisherElsevier Science B.V.
dc.rightsCC BY 4.0 (Attribution)
dc.rights©2019
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.source.journalPhysics Letters B
dc.subjectTransverse momentum
dc.subjectPair production
dc.subjectW bosons
dc.subjectAstronomy
dc.subjectAstrophysics
dc.subjectLarge Hadron Collider (France and Switzerland)
dc.subjectProton-proton interactions
dc.subjectBranching ratios (Nuclear physics)
dc.titleSearch for Vector-Boson Resonances Decaying to a Top Quark and Bottom Quark in the Lepton Plus Jets Final State in pp Collisions at √s=13 TeV with the ATLAS Detector
dc.type.genrearticle

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