Search for pair production of a heavy up-type quark decaying to a W boson and a b quark in the lepton + jets channel with the ATLAS detector

dc.contributor.authorAad, G.
dc.contributor.authorATLAS Collaboration,
dc.date.issued2012
dc.description.abstractA search is presented for production of a heavy up-type quark (t′) together with its antiparticle, assuming subsequent decay to a W boson and a b quark, t′t⁻→W⁺bW¯b⁻. The search is based on 1.04  fb⁻¹ of proton-proton collisions at √s = 7  TeV collected by the ATLAS detector at the CERN Large Hadron Collider. Data are analyzed in the lepton+jets final state, characterized by a high transverse momentum isolated electron or muon, high missing transverse momentum, and at least three jets. No significant excess of events above the background expectation is observed. A 95% C.L. lower limit of 404 GeV is set for the mass of the t′ quark.
dc.description.statementofresponsibilityG. Aad ... P. Jackson ... L. Lee ... A. Petridis ... N. Soni ... M.J. White ... et al. (ATLAS Collaboration)
dc.identifier.citationPhysical Review Letters, 2012; 108(26):261802-1-261802-18
dc.identifier.doi10.1103/PhysRevLett.108.261802
dc.identifier.issn1079-7114
dc.identifier.issn1079-7114
dc.identifier.urihttp://hdl.handle.net/2440/101941
dc.language.isoen
dc.publisherAmerican Physical Society
dc.relation.grantARC
dc.rights© 2012 CERN, for the ATLAS Collaboration. Published by the American Physical Society under the terms of the Creative Commons Attribution 3.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI.
dc.source.urihttps://doi.org/10.1103/physrevlett.108.261802
dc.subjectATLAS Collaboration
dc.titleSearch for pair production of a heavy up-type quark decaying to a W boson and a b quark in the lepton + jets channel with the ATLAS detector
dc.typeJournal article
pubs.publication-statusPublished

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