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Evidence for Electroweak Production of W(+/-)W(+/-)jj in pp Collisions at root s=8 TeV with the ATLAS Detector
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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Number of Authors: 2863
2014 (English)In: Physical Review Letters, ISSN 0031-9007, E-ISSN 1079-7114, Vol. 113, no 14, 141803- p.Article in journal (Refereed) Published
Abstract [en]

This Letter presents the first study of WWjj, same-electric-charge diboson production in associationwith two jets, using 20.3 fb−1 of proton-proton collision data at ffiffiffis p ¼ 8 TeV recorded by the ATLASdetector at the Large Hadron Collider. Events with two reconstructed same-charge leptons (ee, eμ,and μμ) and two or more jets are analyzed. Production cross sections are measured in two fiducialregions, with different sensitivities to the electroweak and strong production mechanisms. First evidencefor WWjj production and electroweak-only WWjj production is observed with a significance of 4.5and 3.6 standard deviations, respectively. The measured production cross sections are in agreement withstandard model predictions. Limits at 95% confidence level are set on anomalous quartic gauge couplings.

Place, publisher, year, edition, pages
2014. Vol. 113, no 14, 141803- p.
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:uu:diva-238778DOI: 10.1103/PhysRevLett.113.141803ISI: 000344031200004PubMedID: 25325632OAI: oai:DiVA.org:uu-238778DiVA: diva2:772141
Note

ATLAS Collaboration, for complete list of authors see http://dx.doi.org/10.1103/PhysRevLett.113.141803

Available from: 2014-12-16 Created: 2014-12-16 Last updated: 2017-12-05Bibliographically approved

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Brenner, RichardBuszello, Claus P.Coniavitis, EliasEkelöf, TordEllert, MattiasFerrari, ArnaudIsaksson, CharlieMadsen, AlexanderÖhman, HenrikPelikan, DanielRangel Smith, Camila

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Brenner, RichardBuszello, Claus P.Coniavitis, EliasEkelöf, TordEllert, MattiasFerrari, ArnaudIsaksson, CharlieMadsen, AlexanderÖhman, HenrikPelikan, DanielRangel Smith, Camila
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