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Largep T double photon production in hadronic collisions-beyond leading logarithm QCD calculation

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Zeitschrift für Physik C Particles and Fields

Abstract

We calculateO(α s ) corrections to largep T double photon production in hadronic collisions. We find that these corrections to the basic\(q\bar q \to \gamma \gamma \) subprocess are important, preventing to describe double photon production on the basis of the leading logarithm approximation only. We give a phenomenological discussion of the results obtained at SPS, ISR and\(Sp\bar pS\) energies. In particular, we investigate how the effect of the intrinsic parton <K T> may be disentangled from the perturbative contribution. We also calculate the aplanarity distribution characteristic of 3 jet events.

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Authors and Affiliations

  1. LAPP, F-74019, Annecy-Le-Vieux, France

    P. Aurenche & A. Douiri

  2. Fakultät für Physik, Universität Bielefeld, 4800, Bielefeld 1, Federal Republic of Germany

    R. Baier

  3. Laboratoire de Physique Théorique et Hautes Energies, Université Paris-Sud, Bâtiment 211, F-91405, Orsay, France

    M. Fontannaz & D. Schiff

Authors
  1. P. Aurenche
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  2. A. Douiri
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  3. R. Baier
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  4. M. Fontannaz
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  5. D. Schiff
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Laboratoire associé au Centre National de la Recherche Scientifique

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Aurenche, P., Douiri, A., Baier, R. et al. Largep T double photon production in hadronic collisions-beyond leading logarithm QCD calculation. Z. Phys. C - Particles and Fields 29, 459–475 (1985). https://doi.org/10.1007/BF01565195

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  • DOI: https://doi.org/10.1007/BF01565195

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