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Inclusive D*+- Meson Cross Sections and D*+- Jet Correlations in Photoproduction at HERA.

Research output: Contribution to journalJournal articlepeer-review

Published
  • A. Aktas
  • Rob C. W. Henderson
  • T. Sloan
  • et al. The H1 Collaboration
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<mark>Journal publication date</mark>04/2007
<mark>Journal</mark>European Physical Journal C: Particles and Fields
Issue number2
Volume50
Number of pages17
Pages (from-to)251-267
Publication StatusPublished
<mark>Original language</mark>English

Abstract

Differential photoproduction cross sections are measured for events containing D*± mesons. The data were taken with the H1 detector at the ep collider HERA and correspond to an integrated luminosity of 51.1 pb-1. The kinematic region covers small photon virtualities Q2 < 0.01 GeV2 and photon–proton centre-of-mass energies of 171 < Wγ p < 256 GeV. The details of the heavy quark production process are further investigated in events with one or two jets in addition to the D*± meson. Differential cross sections for D*+jet production are determined and the correlations between the D*± meson and the jet(s) are studied. The results are compared with perturbative QCD predictions applying collinear- or kt-factorisation.