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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 √s=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. © 2014 CERN. © 2014 CERN, for the ATLAS Collaboration. Published by the American Physical Society under the terms of the «http://creativecommons.org/licenses/by/3.0/» 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.

Registro:

Documento: Artículo
Título:Evidence for Electroweak Production of W±W±jj in pp Collisions at √s =8 TeV with the ATLAS Detector
Autor:Aad, G. et al.
Este artículo contiene 2884 autores, consultelos en el artículo en formato pdf.
Filiación: Este artículo contiene 2884 autores con sus filiaciones, consultelas en el artículo en formato pdf.
Palabras clave:Elementary particles; ATLAS detectors; Confidence levels; Gauge couplings; Large Hadron Collider; Production cross section; Production mechanisms; Proton proton collisions; Standard deviation; Protons
Año:2014
Volumen:113
Número:14
DOI: http://dx.doi.org/10.1103/PhysRevLett.113.141803
Título revista:Physical Review Letters
Título revista abreviado:Phys Rev Lett
ISSN:00319007
CODEN:PRLTA
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00319007_v113_n14_p_Aad

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Citas:

---------- APA ----------
(2014) . Evidence for Electroweak Production of W±W±jj in pp Collisions at √s =8 TeV with the ATLAS Detector. Physical Review Letters, 113(14).
http://dx.doi.org/10.1103/PhysRevLett.113.141803
---------- CHICAGO ----------
Aad, G. "Evidence for Electroweak Production of W±W±jj in pp Collisions at √s =8 TeV with the ATLAS Detector" . Physical Review Letters 113, no. 14 (2014).
http://dx.doi.org/10.1103/PhysRevLett.113.141803
---------- MLA ----------
Aad, G. "Evidence for Electroweak Production of W±W±jj in pp Collisions at √s =8 TeV with the ATLAS Detector" . Physical Review Letters, vol. 113, no. 14, 2014.
http://dx.doi.org/10.1103/PhysRevLett.113.141803
---------- VANCOUVER ----------
Aad, G. Evidence for Electroweak Production of W±W±jj in pp Collisions at √s =8 TeV with the ATLAS Detector. Phys Rev Lett. 2014;113(14).
http://dx.doi.org/10.1103/PhysRevLett.113.141803