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

ATLAS Collaboration

doi:10.1103/PhysRevLett.113.141803

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

ATLAS Collaboration

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Research output: Contribution to journal › Article › peer-review

158 Citations (Scopus)

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.

Original language	English
Article number	141803
Journal	Physical Review Letters
Volume	113
Issue number	14
DOIs	https://doi.org/10.1103/PhysRevLett.113.141803
Publication status	Published - 3 Oct 2014

ASJC Scopus subject areas

General Physics and Astronomy

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10.1103/PhysRevLett.113.141803

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@article{3129d2327cd844728c91e08e1eb0bd24,

title = "Evidence for Electroweak Production of W±W±jj in pp Collisions at √s =8 TeV with the ATLAS Detector",

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.",

author = "\{ATLAS Collaboration\} and G. Aad and B. Abbott and J. Abdallah and \{Abdel Khalek\}, S. and O. Abdinov and R. Aben and B. Abi and M. Abolins and Abouzeid, \{O. S.\} and H. Abramowicz and H. Abreu and R. Abreu and Y. Abulaiti and Acharya, \{B. S.\} and L. Adamczyk and Adams, \{D. L.\} and J. Adelman and S. Adomeit and T. Adye and T. Agatonovic-Jovin and Aguilar-Saavedra, \{J. A.\} and M. Agustoni and Ahlen, \{S. P.\} and F. Ahmadov and G. Aielli and H. Akerstedt and {\AA}kesson, \{T. P.A.\} and G. Akimoto and Akimov, \{A. V.\} and Alberghi, \{G. L.\} and J. Albert and S. Albrand and \{Alconada Verzini\}, \{M. J.\} and M. Aleksa and Aleksandrov, \{I. N.\} and C. Alexa and G. Alexander and G. Alexandre and T. Alexopoulos and M. Alhroob and G. Alimonti and L. Alio and J. Alison and Allbrooke, \{B. M.M.\} and Allison, \{L. J.\} and Allport, \{P. P.\} and J. Almond and A. Aloisio and A. Alonso and Connell, \{S. H.\}",

note = "Publisher Copyright: {\textcopyright} 2014 CERN. {\textcopyright} 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.",

year = "2014",

month = oct,

day = "3",

doi = "10.1103/PhysRevLett.113.141803",

language = "English",

volume = "113",

journal = "Physical Review Letters",

issn = "0031-9007",

publisher = "American Physical Society",

number = "14",

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TY - JOUR

T1 - Evidence for Electroweak Production of W±W±jj in pp Collisions at √s =8 TeV with the ATLAS Detector

AU - ATLAS Collaboration

AU - Aad, G.

AU - Abbott, B.

AU - Abdallah, J.

AU - Abdel Khalek, S.

AU - Abdinov, O.

AU - Aben, R.

AU - Abi, B.

AU - Abolins, M.

AU - Abouzeid, O. S.

AU - Abramowicz, H.

AU - Abreu, H.

AU - Abreu, R.

AU - Abulaiti, Y.

AU - Acharya, B. S.

AU - Adamczyk, L.

AU - Adams, D. L.

AU - Adelman, J.

AU - Adomeit, S.

AU - Adye, T.

AU - Agatonovic-Jovin, T.

AU - Aguilar-Saavedra, J. A.

AU - Agustoni, M.

AU - Ahlen, S. P.

AU - Ahmadov, F.

AU - Aielli, G.

AU - Akerstedt, H.

AU - Åkesson, T. P.A.

AU - Akimoto, G.

AU - Akimov, A. V.

AU - Alberghi, G. L.

AU - Albert, J.

AU - Albrand, S.

AU - Alconada Verzini, M. J.

AU - Aleksa, M.

AU - Aleksandrov, I. N.

AU - Alexa, C.

AU - Alexander, G.

AU - Alexandre, G.

AU - Alexopoulos, T.

AU - Alhroob, M.

AU - Alimonti, G.

AU - Alio, L.

AU - Alison, J.

AU - Allbrooke, B. M.M.

AU - Allison, L. J.

AU - Allport, P. P.

AU - Almond, J.

AU - Aloisio, A.

AU - Alonso, A.

AU - Connell, S. H.

N1 - Publisher Copyright: © 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.

PY - 2014/10/3

Y1 - 2014/10/3

N2 - 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.

AB - 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.

UR - https://www.scopus.com/pages/publications/84908032912

U2 - 10.1103/PhysRevLett.113.141803

DO - 10.1103/PhysRevLett.113.141803

M3 - Article

AN - SCOPUS:84908032912

SN - 0031-9007

VL - 113

JO - Physical Review Letters

JF - Physical Review Letters

IS - 14

M1 - 141803

ER -

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

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