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The differential production cross section of the ϕ(1020) meson in √s = 7 tev pp collisions measured with the atlas detector

  • The ATLAS collaboration
  • CERN
  • Aix-Marseille Université
  • University of Oklahom
  • 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
  • Centre d'Etudes de Saclay
  • Stockholm University
  • Oskar Klein Centre
  • National Institute for Nuclear Physics
  • King's College London
  • Abdus Salam International Centre for Theoretical Physics
  • AGH University of Krakow
  • Brookhaven National Laboratory
  • Yale University
  • Ludwig Maximilian University of Munich
  • Rutherford Appleton Laboratory
  • University of Belgrade
  • Laboratorio de Instrumentacao e Fisica Experimental de Particulas - LIP
  • University of Granada
  • University of Bern
  • Boston University
  • Stony Brook 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
  • INFN Sezione di Bologn
  • Università di Bologn
  • University of Victoria BC
  • Université Grenoble Alpes
  • Universidad Nacional de La Plata
  • National Institute of Physics and Nuclear Engineering
  • University of Geneva
  • National Technical University of Athens
  • University of Udine
  • The University of Chicago

Research output: Contribution to journalArticlepeer-review

18 Scopus citations

Abstract

Ameasurement is presented of the φ×BR(φ →K+K-) production cross section at √s = 7 TeV using pp collision data corresponding to an integrated luminosity of 383 μb-1, collected with theATLAS experiment at the HC. Selection of φ(1020) mesons is based on the identification of charged kaons by their energy loss in the pixel detector. The differential cross section ismeasured as a function of the transverse momentum, pT,φ , and rapidity, yφ, of the φ(1020) meson in the fiducial region 500< pT,φ <1200MeV, |yφ | < 0.8, kaon pT,K > 230 MeV and kaon momentum pK < 800 MeV. The integrated φ(1020)-meson production cross section in this fiducial range is measured to be sφ×BR(φ →K+K-) = 570 ± 8 (stat) ± 66 (syst) ± 20 (lumi) μb.

Original languageEnglish
Article number2895
JournalEuropean Physical Journal C
Volume74
Issue number7
DOIs
StatePublished - Jul 1 2014

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