Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/101594
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Type: Journal article
Title: Measurement of the W⁺ W¯ cross section in √s=7 TeV pp collisions with ATLAS
Other Titles: Measurement of the W(+) W-bar cross section in root s=7 TeV pp collisions with ATLAS
Author: Aad, G.
ATLAS Collaboration
Citation: Physical Review Letters, 2011; 107(4):041802-1-041802-18
Publisher: American Physical Society
Issue Date: 2011
ISSN: 0031-9007
1079-7114
Statement of
Responsibility: 
G. Aad ... P. Jackson ... L. Lee ... A. Petridis ... N. Soni ... M.J. White ... et al. (ATLAS Collaboration)
Abstract: This Letter presents a measurement of the W⁺W⁻ production cross section in s√=7  TeV pp collisions by the ATLAS experiment, using 34  pb⁻¹ of integrated luminosity produced by the Large Hadron Collider at CERN. Selecting events with two isolated leptons, each either an electron or a muon, 8 candidate events are observed with an expected background of 1.7±0.6 events. The measured cross section is 41+20−16(stat)±5(syst)±1(lumi)  pb, which is consistent with the standard model prediction of 44±3  pb calculated at next-to-leading order in QCD.
Keywords: ATLAS Collaboration; ATLAS Collaboration; ATLAS Collaboration
Rights: © 2011 CERN, for the ATLAS Collaboration This article is available 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: 0020133165
DOI: 10.1103/PhysRevLett.107.041802
Appears in Collections:Physics publications

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