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Measurement of Wγ and Zγ production cross sections in pp collisions at √s=7 TeV and limits on anomalous triple gauge couplings with the ATLAS detector

  • ATLAS Collaboration
  • University of Freiburg
  • University of Oklahoma
  • Institute for High Energy Physics
  • Université Paris-Sud
  • University of Geneva
  • Azerbaijan National Academy of Sciences
  • Oklahoma State University
  • Michigan State University
  • University of Toronto
  • Tel Aviv University
  • CEA Saclay (Commissariat À l'Energie Atomique et Aux Energies Alternatives)
  • National Institute for Nuclear Physics
  • University of Milan
  • Abdus Salam International Centre for Theoretical Physics
  • AGH University of Krakow
  • United States Department of Energy
  • Hampton University
  • Yale University
  • Ludwig Maximilian University of Munich
  • Queen Mary University of London
  • Rutherford Appleton Laboratory
  • Brandeis University
  • University of Granada
  • Laboratório de Instrumentação e Física Experimental de Partículas
  • Johannes Gutenberg University Mainz
  • Boston University
  • Stony Brook University
  • University of Texas at Dallas
  • University of Rome Tor Vergata
  • Bogazici University
  • Lund University
  • The University of Tokyo
  • RAS - P.N. Lebedev Physics Institute
  • Kobe University
  • SUNY Albany
  • Royal Holloway University of London
  • University of Victoria BC
  • Laboratoire de Physique Subatomique et de Cosmologie de Grenoble
  • CERN
  • Joint Institute for Nuclear Research
  • Horia Hulubei National Institute of Physics and Nuclear Engineering
  • National Technical University of Athens
  • University of Udine
  • Humboldt University of Berlin
  • University of Pennsylvania
  • University of Birmingham
  • University of Glasgow

Research output: Contribution to journalArticlepeer-review

36 Citations (Scopus)

Abstract

This Letter presents measurements of l±νγ and l+lγ (l=e,μ) production in 1.02 fb−1 of pp collision data recorded at s=7 TeV with the ATLAS detector at the LHC in the first half of 2011. Events dominated by Wγ and Zγ production with leptonic decays of the W and Z bosons are selected, and their production cross sections and kinematic properties are measured in several ranges of the photon transverse energy. The results are compared to Standard Model predictions and are used to determine limits on anomalous WWγ and ZZγ/Zγγ couplings.

Original languageEnglish
Pages (from-to)49-69
Number of pages21
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume717
Issue number1-3
DOIs
Publication statusPublished - 22 Oct 2012
Externally publishedYes

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