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A next-to-leading order study of pion-pair production and comparison with E706 data

  • Theoretical physics
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The European Physical Journal C - Particles and Fields Aims and scope Submit manuscript

Abstract.

We discuss the production of pion pairs with a large invariant mass in hadronic collisions. We present a study based on a perturbative QCD calculation at full next-to-leading order accuracy, implemented in the computer programme DIPHOX. We provide a comparison of various predictions with the corresponding observables measured by the E706 fixed target experiment. Discrepancies between data and next-to-leading order calculation are carefully analysed. We classify the theoretical next-to-leading order distributions with respect to their infrared sensitivity, and explain which distributions need improvements. Further, we comment on the energy scale dependences of non pertubative effects.

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Authors and Affiliations

  1. Laboratoire d'Annecy-Le-Vieux de Physique Théorique LAPTH, Chemin de Bellevue, B.P. 110, 74941 Annecy-le-Vieux, France , , , , , , FR

    J.Ph. Guillet, E. Pilon & M. Werlen

  2. Department of Physics and Astronomy, University of Edinburgh, Edinburgh EH9 3JZ, UK , , , , , , GB

    T. Binoth

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  1. T. Binoth
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  2. J.Ph. Guillet
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  3. E. Pilon
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  4. M. Werlen
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Received: 8 November 2001 / Published online: 5 April 2002

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Binoth, T., Guillet, J., Pilon, E. et al. A next-to-leading order study of pion-pair production and comparison with E706 data. Eur. Phys. J. C 24, 245–260 (2002). https://doi.org/10.1007/s100520200921

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  • DOI: https://doi.org/10.1007/s100520200921

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