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

Aix-Marseille Université
University of Oklahoma
Academia Sinica, Institute Of Physics
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University of Amsterdam
Oklahoma State University
Michigan State University
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Tel Aviv University
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European Organization for Nuclear Research
Stockholm University
Oskar Klein Centre
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Abdus Salam International Centre for Theoretical Physics
King's College London
Agh University of Science and Technology Faculty of Computer Science
Brookhaven National Laboratory
Yale University
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Rutherford Appleton Laboratory
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University of Granada
University of Bern
Boston University
Joint Institute for Nuclear Research, Dubna
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Lund University
University of Tokyo
P.N. Lebedev Physical Institute of the Russian Academy of Sciences
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University of Victoria
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Instituto de Física La Plata
Horia Hulubei National Institute of Physics and Nuclear Engineering
University 'Politehnica' of Bucharest
University of Geneva
National Technical University of Athens
West University in Timisoara
and Physics University of Udine
Sezione INFN di Milano
University of Chicago
University of Birmingham
Lancaster University
University of Liverpool
University of Manchester
Universités Paris VI and VII
University of Cambridge
Université Savoie Mont Blanc
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University of Naples Federico II
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Queen Mary University of London
Columbia University
High Energy Accelerator Research Organization (KEK)
Instituto de Biofisica da UFRJ
Brandeis University
University of Michigan, Ann Arbor
University of Coimbra
Faculdade de Ciências, Universidade de Lisboa
University of Freiburg
The University of Sheffield
University of Heidelberg
University of Milano
University of Athens
Technical University Dresden
Budker Institute of Nuclear Physics of the Siberian Branch of the RAS
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Slovak Academy of Sciences
University of Oxford
Stanford Linear Accelerator Center
Duke University
Universite de Montreal
c/o DESY
Bogazici University
Universidad Autónoma de Madrid
University Bonn
Institute for Theoretical and Experimental Physics
Argonne National Laboratory
Comenius University
University of Illinois
Universität Siegen
Czech Technical University in Prague
University of Johannesburg
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Universite Paris-Saclay
Aristotle University of Thessaloniki
University of Rome
Institute of High Energy Physics, Chinese Academy of Sciences
Charles University
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Max-Planck-Institut für Physik
Ernest Orlando Lawrence Berkeley National Laboratory
Harvard University
University of Sussex
University of Glasgow
University of California at Santa Cruz
St. Petersburg State Polytechnical University
Tufts University
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University of Warwick
Gaziantep University
Stony Brook University
McGill University
Carleton University
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Université Hassan II
York University
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University College London
Louisiana Tech University
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Radboud University
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University of Pittsburgh
Georg-August-Universität Göttingen
University of Sydney
University of Washington
Johannes Gutenberg University
B. I. Stepanov Institute of Physics
Institute of Physics of the Czech Academy of Sciences
Moscow State University
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State University of New York Albany
Clermont-Auvergne University
Université Mohamed Premier
University of Texas at Arlington
Tokyo Metropolitan University
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Uppsala University
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Indiana University Bloomington
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University of Alberta
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Tbilisi State University
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University of São Paulo
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The University of Texas at Austin
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National Institute for Research and Development of Isotopic and Molecular Technologies
The Chinese University of Hong Kong
Université Paris-Sud
University of Würzburg
Manhattan College
Nagasaki Institute of Applied Science
Moscow Institute of Physics and Technology
TOBB University of Economics and Technology
Kyoto University of Education
Ritsumeikan University Biwako-Kusatsu Campus
Massachusetts Institute of Technology
Turkish Atomic Energy Authority
Wigner Research Centre for Physics
University of KwaZulu-Natal
National Centre for Particle and High Energy Physics
Gazi University

Résultats de recherche: Contribution à un journal › Article › Revue par des pairs

Résumé

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.

langue originale	Anglais
Numéro d'article	141803
journal	Physical Review Letters
Volume	113
Numéro de publication	14
Les DOIs	https://doi.org/10.1103/PhysRevLett.113.141803
état	Publié - 3 oct. 2014
Modification externe	Oui

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10.1103/PhysRevLett.113.141803

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@article{13310d21002f412b8af8c9d99df3a16d,

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 O. Davignon and T. Mueller and O. Simard",

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",

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 - Davignon, O.

AU - Mueller, T.

AU - Simard, O.

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.

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DO - 10.1103/PhysRevLett.113.141803

M3 - Article

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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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