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Next-to-leading-order Monte Carlo simulation of diphoton production in hadronic collisions

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Abstract

We present a method, based on the positive weight next-to-leading-order matching formalism (POWHEG), to simulate photon production processes at next-to-leading-order (NLO). This technique is applied to the simulation of diphoton production in hadron-hadron collisions. The algorithm consistently combines the parton shower and NLO calculation, producing only positive weight events. The simulation includes both the photon fragmentation contribution and a full implementation of the truncated shower required to correctly describe soft emissions in an angular-ordered parton shower.

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  1. Institut für Theoretische Physik, University of Karlsruhe, KIT, Karlsruhe, 76128, Germany

    Luca D’Errico

  2. Institute of Particle Physics Phenomenology, Department of Physics, University of Durham, Durham, DH1 3LE, UK

    Luca D’Errico & Peter Richardson

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  1. Luca D’Errico
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D’Errico, L., Richardson, P. Next-to-leading-order Monte Carlo simulation of diphoton production in hadronic collisions. J. High Energ. Phys. 2012, 130 (2012). https://doi.org/10.1007/JHEP02(2012)130

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