Prompt photon production and photon-hadron jet correlations with POWHEG
T. Jezo, M. Klasen, F. K\"onig
TL;DR
This paper develops a next-to-leading order QCD calculation for prompt photon production, matched with parton showers, and demonstrates improved agreement with RHIC data on photon-hadron correlations.
Contribution
It introduces a novel POWHEG-based method for simulating prompt photon production with parton showers, enhancing phenomenological accuracy.
Findings
Better description of PHENIX data on prompt photons
Improved photon-hadron jet correlation modeling
Suggests new analyses for experimental exploration
Abstract
We present a calculation of direct photon production at next-to-leading order of QCD and a matching of this calculation with parton showers using POWHEG BOX. Based on simulations with POWHEG+PYTHIA, we perform a detailed phenomenological analysis of PHENIX data on prompt photon production and photon-hadron jet correlations in pp collisions at RHIC, considerably improving the description of these data with respect to previous calculations, and we suggest additional interesting analyses.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · High-Energy Particle Collisions Research · Quantum Chromodynamics and Particle Interactions