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Measurement of inclusive and dijet D* meson cross sections in photoproduction at HERA

The inclusive photoproduction of D ∗ mesons and of D ∗-tagged dijets is investigated with the H1 detector at the ep collider HERA. The kinematic region covers small photon virtualities Q 2<2 GeV2 and photon-proton centre-of-mass energies of 100<W γp <285 GeV. Inclusive D ∗ meson differentia...

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Main Authors: Aaron, Francisc Dionisie (Author) , Hennekemper, Eva (Author) , Jung, Andreas Werner (Author) , Krüger, Katja (Author) , Lendermann, Victor (Author) , Pirumov, Hayk (Author) , Sauter, Michel David (Author) , Schöning, André (Author) , Schultz-Coulon, Hans-Christian (Author) , Urban, Klaus (Author)
Corporate Author: H1 Collaboration (Author)
Format: Article (Journal)
Language:English
Published: 04 May 2012
In: The European physical journal. C, Particles and fields
Year: 2012, Volume: 72, Issue: 5
ISSN:1434-6052
DOI:10.1140/epjc/s10052-012-1995-0
Online Access:Verlag, Volltext: http://dx.doi.org/10.1140/epjc/s10052-012-1995-0
Verlag, Volltext: https://doi.org/10.1140/epjc/s10052-012-1995-0
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Author Notes:H1 Collaboration
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Summary:The inclusive photoproduction of D ∗ mesons and of D ∗-tagged dijets is investigated with the H1 detector at the ep collider HERA. The kinematic region covers small photon virtualities Q 2<2 GeV2 and photon-proton centre-of-mass energies of 100<W γp <285 GeV. Inclusive D ∗ meson differential cross sections are measured for central rapidities |η(D ∗)|<1.5 and transverse momenta p T (D ∗)>1.8 GeV. The heavy quark production process is further investigated in events with at least two jets with transverse momentum p T (jet)>3.5 GeV each, one containing the D ∗ meson. Differential cross sections for D ∗-tagged dijet production and for correlations between the jets are measured in the range |η(D ∗)|<1.5 and p T (D ∗)>2.1 GeV. The results are compared with predictions from Monte Carlo simulations and next-to-leading order perturbative QCD calculations.
Item Description:Im Titel wird "ast" als griechischer Buchstabe dargestellt und steht hoch
H1 Collaboration: F.D. Aaron, E. Hennekemper, A.W. Jung, K. Krüger, V. Lendermann, H. Pirumov, M. Sauter, A. Schöning, H.-C. Schultz-Coulon, K. Urban [und weitere]
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Physical Description:Online Resource
ISSN:1434-6052
DOI:10.1140/epjc/s10052-012-1995-0

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