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Measurement of the W(+)W(-) Cross Section in root s=7 TeV pp Collisions with ATLAS
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
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2011 (English)In: Physical Review Letters, ISSN 0031-9007, E-ISSN 1079-7114, Vol. 701, no 4, 041802- p.Article in journal (Refereed) Published
Abstract [en]

This Letter presents a measurement of the W(+)W(-) production cross section in root 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(-16)(+20)(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.

Place, publisher, year, edition, pages
2011. Vol. 701, no 4, 041802- p.
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Physical Sciences
Identifiers
URN: urn:nbn:se:uu:diva-157209DOI: 10.1103/PhysRevLett.107.041802ISI: 000292922100003OAI: oai:DiVA.org:uu-157209DiVA: diva2:435872
Note
ATLAS CollaborationAvailable from: 2011-08-20 Created: 2011-08-20 Last updated: 2017-12-08Bibliographically approved

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