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NLO calculation of prompt photon production in DIS at HERA

  • Regular Article - Theoretical Physics
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Abstract

We present a next-to-leading order calculation of prompt photon production in deep-inelastic scattering. The calculation involves direct, fragmentation and resolved contributions. Inclusive as well as isolated photon production cross sections are presented. The relevance of imposing a transverse momentum cut-off in the virtual-photon proton center-of-mass system rather than in the laboratory frame is discussed. Whenever possible, a comparison of the theoretical results with recent HERA data is carried out.

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Authors and Affiliations

  1. LAPTH, Université de Savoie, CNRS, BP 110, Chemin de Bellevue, 74941, Annecy-le-Vieux Cedex, France

    P. Aurenche

  2. The Institute of Mathematical Sciences, Chennai, 600 113, India

    Rahul Basu

  3. Laboratoire de Physique Théorique, UMR 8627 du CNRS, Université Paris XI, Bâtiment 210, 91405, Orsay Cedex, France

    M. Fontannaz

Authors
  1. P. Aurenche
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  2. Rahul Basu
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  3. M. Fontannaz
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Correspondence to P. Aurenche.

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Aurenche, P., Basu, R. & Fontannaz, M. NLO calculation of prompt photon production in DIS at HERA. Eur. Phys. J. C 71, 1616 (2011). https://doi.org/10.1140/epjc/s10052-011-1616-3

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  • DOI: https://doi.org/10.1140/epjc/s10052-011-1616-3

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