Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/101941
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Type: Journal article
Title: 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
Author: Aad, G.
ATLAS Collaboration
Citation: Physical Review Letters, 2012; 108(26):261802-1-261802-18
Publisher: American Physical Society
Issue Date: 2012
ISSN: 1079-7114
1079-7114
Statement of
Responsibility: 
G. Aad ... P. Jackson ... L. Lee ... A. Petridis ... N. Soni ... M.J. White ... et al. (ATLAS Collaboration)
Abstract: A 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.
Keywords: ATLAS Collaboration; ATLAS Collaboration; ATLAS Collaboration; ATLAS Collaboration
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.
RMID: 0020132708
DOI: 10.1103/PhysRevLett.108.261802
Appears in Collections:Physics publications

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