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Measurement of D*± meson production and Fc 2 in 2 deep-inelastic scattering at HERA

  • C. Adloff
  • , V. Andreev
  • , B. Andrieu
  • , T. Anthonis
  • , V. Arkadov
  • , A. Astvatsatourov
  • , A. Babaev
  • , J. Bähr
  • , P. Baranov
  • , E. Barrelet
  • , W. Bartel
  • , P. Bate
  • , A. Beglarian
  • , O. Behnke
  • , C. Beier
  • , A. Belousov
  • , T. Benisch
  • , Ch Berger
  • , T. Berndt
  • , J. C. Bizot
  • V. Boudry, W. Braunschweig, V. Brisson, H. B. Bröker, D. P. Brown, W. Brückner, D. Bruncko, J. Bürger, F. W. Büsser, A. Bunyatyan, A. Burrage, G. Buschhorn, A. J. Campbell, J. Cao, T. Carli, S. Caron
  • RWTH Aachen University
  • Physik-Institut der Universität Zürich
  • University of Birmingham
  • Université Libre de Bruxelles
  • CCLRC Rutherford Appleton Laboratory
  • Institute for Nuclear Physics
  • University of Dortmund
  • Joint Institute for Nuclear Research, Dubna
  • Institut Pierre Simon Laplace, CNRS and CEA
  • c/o DESY
  • Universität Hamburg
  • Max-Planck-Institut für Kernphysik
  • University of Heidelberg
  • Christian-Albrechts-University Kiel
  • Institute of Experimental Physics Slovak Academy of Sciences
  • Lancaster University
  • University of Liverpool
  • Queen Mary University of London
  • Lund University
  • University of Manchester
  • Aix-Marseille Université
  • Institute for Theoretical and Experimental Physics
  • P.N. Lebedev Physical Institute of the Russian Academy of Sciences
  • Max-Planck-Institut für Physik
  • Laboratoire de l'Accélérateur Linéaire
  • Universités Paris VI and VII
  • Institute of Physics of the Czech Academy of Sciences
  • Charles University
  • University Roma Tre
  • Paul Scherrer Institut
  • Bergische Universität Gesamthochschule Wuppertal
  • Yerevan Physics Institute
  • ETH Zurich

Research output: Contribution to journalArticlepeer-review

141 Citations (Scopus)

Abstract

The inclusive production of D(2010) mesons in deep-inelastic scattering is studied with the H1 detector at HERA. In the kinematic region 1 < Q2 < 100 GeV2 and 0.05 < y < 0.7 an e+ p cross section for inclusive D meson production of 8.50 ± 0.42(stat.)+1.21 -1.00 (syst.) nb is measured in the visible range PtD* > 1.5 GeV and ηD*< 1.5. Single and double differential inclusive D meson cross sections are compared to perturbative QCD calculations in two different evolution schemes. The charm contribution to the proton structure, FC 2(X, Q2), is determined by extrapolating the visible charm cross section to the full phase space. This contribution is found to rise from about 10% at Q2 = 1.5 GeV2 to more than 25% at Q2 = 60 GeV2 corresponding to x values ranging from 5 × 10-5 to 3 × 10-3.

Original languageEnglish
Pages (from-to)199-214
Number of pages16
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume528
Issue number3-4
DOIs
Publication statusPublished - 7 Mar 2002
Externally publishedYes

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