Charm dijet angular distributions in gamma-p collisions with ZEUS at HERA
Leonid Gladilin (on behalf of the ZEUS Collaboration)
TL;DR
This paper measures charm dijet angular distributions in gamma-p collisions at HERA, comparing experimental results with theoretical models to test QCD predictions involving charm production.
Contribution
It provides the first detailed measurement of charm dijet angular distributions in photoproduction at HERA and compares them with advanced QCD calculations.
Findings
Good agreement with NLO QCD predictions
Discrepancies observed with some Monte Carlo models
Insights into charm production mechanisms
Abstract
Dijet angular distributions of photoproduction events in which a D*+/- meson is produced in association with one of two energetic jets have been measured using an integrated luminosity of 120 pb^1. The results are compared with predictions from leading-order parton-shower Monte Carlo models and with next-to-leading-order QCD calculations.
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Taxonomy
TopicsHigh-Energy Particle Collisions Research · Particle physics theoretical and experimental studies · Quantum Chromodynamics and Particle Interactions