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A full Next to Leading Order study of direct photon pair production in hadronic collisions

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arxiv hep-ph/9911340 v3 pith:UYTONMZK submitted 1999-11-12 hep-ph

T. Binoth , J. Ph. Guillet , E. Pilon , M. Werlen This is my paper · ORCID
classification hep-ph
keywords collisionsdiscussfullgammahadronicorderphotonpredictions
verification ladder T0 review T1 audit T2 compute T3 formal
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abstract

We discuss the production of photon pairs in hadronic collisions, from fixed target to LHC energies. The study which follows is based on a QCD calculation at full next-to-leading order accuracy, including single and double fragmentation contributions, and implemented in the form of a general purpose computer program of "partonic event generator" type. To illustrate the possibilities of this code, we present the comparison with observables measured by the WA70 and D0 collaborations, and some predictions for the irreducible background to the search of Higgs bosons at LHC in the channel $h \to \gamma \gamma$. We also discuss theoretical scale uncertainties for these predictions, and examine several infrared sensitive situations which deserve further study.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Two-loop helicity amplitudes for diphoton production with massive quark loop

    hep-ph 2025-02 conditional novelty 7.0 of 10

    Two-loop helicity amplitudes for diphoton production with a massive top quark loop are computed, providing new analytic results for gluon fusion and benchmark numbers for both channels.

  2. Precise Predictions for Event Shapes in Diphoton Production at the LHC

    hep-ph 2025-01 accept novelty 7.0 of 10

    First NNLO (O(alpha_s^3)) QCD predictions for diphoton event shapes at the LHC, with full-color two-loop amplitudes and NLO loop-induced corrections.

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