Evidence for Electroweak Production of W^±W^±jj in pp Collisions at √s̅ = 8 TeV with the ATLAS Detector

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Evidence for Electroweak Production of W^±W^±jj in pp Collisions at √s̅ = 8 TeV with the ATLAS Detector

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Title: Evidence for Electroweak Production of W^±W^±jj in pp Collisions at √s̅ = 8 TeV with the ATLAS Detector
Author(s):
Aad, G.;
Abbott, B.;
Abdallah, J.;
Abdel Khalek, S.;
Abdinov, O.;
Aben, R.;
Abi, B.;
Reeves, Kendall;
Namasivayam, Harisankar;
Lou, Xinchou;
Leyton, Michael;
Izen, Joseph M.;
ATLAS Collaboration
Date Created: 2014-10-03
Format: Text
Item Type: Article
Keywords: Show Keywords
Abstract: This Letter presents the first study of W^±W^±jj, same-electric-charge diboson production in association with two jets, using 20.3 fb⁻¹ of proton-proton collision data at √s̅ = 8 TeV recorded by the ATLAS detector at the Large Hadron Collider. Events with two reconstructed same-charge leptons (e^±e^±, e^±μ^±, and μ^±μ^±) and two or more jets are analyzed. Production cross sections are measured in two fiducial regions, with different sensitivities to the electroweak and strong production mechanisms. First evidence for W^±W^±jj production and electroweak-only W^±W^±jj production is observed with a significance of 4.5 and 3.6 standard deviations, respectively. The measured production cross sections are in agreement with standard model predictions. Limits at 95% confidence level are set on anomalous quartic gauge couplings.
ISSN: 1079-7114
Source: Physical Review Letters
Link to Related Resource: http://dx.doi.org/10.1103/PhysRevLett.113.141803
Persistent Link: http://hdl.handle.net/10735.1/4192
Bibliographic Citation: Aad, G., B. Abbott, J. Abdallah, S. Abdel Khalek, et al. 2014. "Evidence for electroweak production of W^±W^±jj in pp collisions at √s̅ = 8 TeV with the ATLAS Detector." Physical Review Letters 113(14), doi:10.1103/PhysRevLett.113.141803
Terms of Use: CC BY 3.0 (Attribution)
©2014 CERN, for the ATLAS Collaboration

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CC BY 3.0 (Attribution) Except where otherwise noted, this item's license is described as CC BY 3.0 (Attribution)