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Measurement of the W W + W Z cross section and limits on anomalous triple gauge couplings using final states with one lepton, missing transverse momentum, and two jets with the ATLAS detector at √s = 7 TeV

  • The ATLAS collaboration
  • Aix-Marseille Université
  • University of Oklahoma
  • Academia Sinica - Institute of Physics
  • IN2P3/CNRS
  • Azerbaijan National Academy of Sciences
  • University of Amsterdam
  • Oklahoma State University
  • Michigan State University
  • University of Toronto
  • Tel Aviv University
  • Technion-Israel Institute of Technology
  • CERN
  • Stockholm University
  • Oskar Klein Centre
  • National Institute for Nuclear Physics
  • Abdus Salam International Centre for Theoretical Physics
  • King's College London
  • AGH University of Krakow
  • Brookhaven National Laboratory
  • Northern Illinois University
  • Ludwig Maximilian University of Munich
  • Rutherford Appleton Laboratory
  • University of Belgrade
  • Laboratório de Instrumentação e Física Experimental de Partículas
  • University of Granada
  • University of Bern
  • Boston University
  • Joint Institute for Nuclear Research
  • University of Rome Tor Vergata
  • Lund University
  • The University of Tokyo
  • P.N. Lebedev Physical Institute of the Russian Academy of Sciences
  • University of Bologna
  • University of Victoria BC
  • Université Grenoble Alpes
  • Instituto de Física La Plata
  • Horia Hulubei National Institute of Physics and Nuclear Engineering
  • University of Geneva
  • National Technical University of Athens
  • The University of Chicago

Research output: Contribution to journalArticlepeer-review

20 Scopus citations

Abstract

Abstract: The production of a W boson decaying to eν or μν in association with a W or Z boson decaying to two jets is studied using 4.6 fb−1 of proton-proton collision data at √s =7 TeV recorded with the ATLAS detector at the LHC. The combined WW + WZ cross section is measured with a significance of 3.4σ and is found to be 68±7 (stat.)±19 (syst.) pb, in agreement with the Standard Model expectation of 61.1±2.2 pb. The distribution of the transverse momentum of the dijet system is used to set limits on anomalous contributions to the triple gauge coupling vertices and on parameters of an effective-field-theory model.[Figure not available: see fulltext.]

Original languageEnglish
Article number49
Pages (from-to)1-42
Number of pages42
JournalJournal of High Energy Physics
Volume2015
Issue number1
DOIs
StatePublished - Jan 1 2015

Keywords

  • Hadron-Hadron Scattering

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