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Inclusive D*+- Meson and associated dijet production in deep-inelastic scattering at HERA

  • A. Aktas
  • , Robert Roosen
  • , Denis Johnson
  • , Anatoli Astvatsatourov

Onderzoeksoutput: Articlepeer review

38 Citaten (Scopus)

Samenvatting

Inclusive D*± production is measured in deep-inelastic ep scattering at HERA with the H1 detector. In addition, the production of dijets in events with a D*± meson is investigated. The analysis covers values of photon virtuality 2 Q2 100 GeV2 and of inelasticity 0.05 y 0.7. Differential cross sections are measured as a function of Q2 and x and of various D*± meson and jet observables. Within the experimental and theoretical uncertainties all measured cross sections are found to be adequately described by next-to-leading order (NLO) QCD calculations, based on the photon-gluon fusion process and DGLAP evolution, without the need for an additional resolved component of the photon beyond what is included at NLO. A reasonable description of the data is also achieved by a prediction based on the CCFM evolution of partons involving the kT-unintegrated gluon distribution of the proton.
Originele taal-2English
Pagina's (van-tot)271-287
Aantal pagina's17
TijdschriftThe European Physical Journal C
Volume51
StatusPublished - 2007

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