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Inclusive photoproduction of D *±-mesons at next-to-leading order in the general-mass variable-flavor-number scheme

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Abstract

We discuss the inclusive production of D *±-mesons in γ p collisions at DESY HERA, based on a calculation at next-to-leading order in the general-mass variable-flavor-number scheme. In this approach, \(\overline{\mathrm{MS}}\) subtraction is applied in such a way that large logarithmic corrections are resummed in universal parton distribution and fragmentation functions and finite-mass terms are taken into account. We present detailed numerical results for a comparison with data obtained at HERA and discuss various sources of theoretical uncertainties.

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Authors and Affiliations

  1. II. Institut für Theoretische Physik, Universität Hamburg, Luruper Chaussee 149, 22761, Hamburg, Germany

    B. A. Kniehl & G. Kramer

  2. Laboratoire de Physique Subatomique et de Cosmology, Université Joseph Fourier, CNRS/IN2P3, INPG, 53 Avenue des Martyrs, 38026, Grenoble, France

    I. Schienbein

  3. Institut für Physik, Johannes-Gutenberg-Universität, Staudinger Weg 7, 55099, Mainz, Germany

    H. Spiesberger

Authors
  1. B. A. Kniehl
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  2. G. Kramer
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  3. I. Schienbein
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  4. H. Spiesberger
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Correspondence to H. Spiesberger.

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Kniehl, B.A., Kramer, G., Schienbein, I. et al. Inclusive photoproduction of D *±-mesons at next-to-leading order in the general-mass variable-flavor-number scheme. Eur. Phys. J. C 62, 365–374 (2009). https://doi.org/10.1140/epjc/s10052-009-1027-x

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  • DOI: https://doi.org/10.1140/epjc/s10052-009-1027-x

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