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Measurement of the high-mass Drell–Yan differential cross-section in pp collisions at √s=7TeV with the ATLAS detector

  • Atlas Collaboration
  • University of Freiburg
  • University of Bonn
  • University of Oklahoma
  • Autonomous University of Barcelona
  • Université Paris-Sud
  • University of Geneva
  • Azerbaijan National Academy of Sciences
  • University of Amsterdam
  • Oklahoma State University
  • Michigan State University
  • University of Toronto
  • Tel Aviv University
  • CEA/Saclay
  • Stockholm University
  • The Oskar Klein Centre
  • National Institute for Nuclear Physics
  • Abdus Salam International Centre for Theoretical Physics
  • King's College London
  • AGH University of Krakow
  • United States Department of Energy
  • Hampton University
  • Yale University
  • Ludwig Maximilian University of Munich
  • Rutherford Appleton Laboratory
  • Brandeis University
  • Laboratório de Instrumentação e Física Experimental de Partículas
  • University of Granada
  • University of Bern
  • Boston University
  • Stony Brook University
  • University of Texas at Dallas
  • University of Rome Tor Vergata
  • Lund University
  • The University of Tokyo
  • P.N. Lebedev Physical Institute of the Russian Academy of Sciences
  • Royal Holloway University of London
  • University of Victoria BC
  • Laboratoire de Physique Subatomique et de Cosmologie de Grenoble
  • Universidad Nacional de La Plata
  • 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
  • The University of Chicago
  • University of Birmingham

Research output: Contribution to journalArticlepeer-review

127 Scopus citations

Abstract

This Letter reports a measurement of the high-mass Drell–Yan differential cross-section in proton–proton collisions at a centre-of-mass energy of 7 TeV at the LHC. Based on an integrated luminosity of 4.9 fb−1, the differential cross-section in the Z/γ→e+e channel is measured with the ATLAS detector as a function of the invariant mass, mee, in the range 116 <mee <1500 GeV, for a fiducial region in which both the electron and the positron have transverse momentum pT >25 GeV and pseudorapidity |η| <2.5. A comparison is made to various event generators and to the predictions of perturbative QCD calculations at next-to-next-to-leading order.

Original languageEnglish
Pages (from-to)223-242
Number of pages20
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume725
Issue number4-5
DOIs
StatePublished - Oct 1 2013

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