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Measurement of the W W cross section in root s=7 TeV pp collisions with the ATLAS detector and limits on anomalous gauge couplings
KTH, School of Engineering Sciences (SCI), Physics, Particle and Astroparticle Physics.
KTH, School of Engineering Sciences (SCI), Physics, Particle and Astroparticle Physics.
KTH, School of Engineering Sciences (SCI), Physics, Particle and Astroparticle Physics.
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Number of Authors: 3057
2012 (English)In: Physics Letters B, ISSN 0370-2693, E-ISSN 1873-2445, Vol. 712, no 4-5, 289-308 p.Article in journal (Refereed) Published
Abstract [en]

This Letter reports a measurement of the W W production cross section in root s = 7 TeV pp collisions using data corresponding to an integrated luminosity of 1.02 fb(-1) collected with the ATLAS detector. Using leptonic decays of oppositely charged W bosons, the total measured cross section is sigma (pp -> W W) = 54.4 +/- 4.0 (stat.) +/- 3.9 (syst.) +/- 2.0 (lumi.) pb, consistent with the Standard Model prediction of sigma (pp -> W W)= 44.4 +/- 2.8 pb. Limits on anomalous electroweak triple-gauge couplings are extracted from a fit to the transverse-momentum distribution of the leading charged lepton in the event.

Place, publisher, year, edition, pages
Elsevier, 2012. Vol. 712, no 4-5, 289-308 p.
Keyword [en]
Boson Couplings, W+W-Production, Sector, LEP
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-99308DOI: 10.1016/j.physletb.2012.05.003ISI: 000305378200001Scopus ID: 2-s2.0-84861478883OAI: oai:DiVA.org:kth-99308DiVA: diva2:541876
Note
Author count: 3 057.QC 20120725Available from: 2012-07-25 Created: 2012-07-25 Last updated: 2017-12-07Bibliographically approved

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Strandberg, Jonas

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