NLO calculations matched with the Nagy-Soper parton shower
Michal Czakon, Heribertus B. Hartanto, Manfred Kraus, Malgorzata Worek
TL;DR
This paper presents a method for combining next-to-leading order QCD calculations with the Nagy-Soper parton shower, discussing uncertainties and demonstrating results for top quark pair production with an additional jet at the LHC.
Contribution
It introduces an MC@NLO-like matching scheme for NLO QCD with the Nagy-Soper shower, implemented in the DEDUCTOR program, enhancing precision in collider simulations.
Findings
Successful matching of NLO calculations with Nagy-Soper shower
Uncertainty analysis of the matching scheme
Results for pp -> ttj + X at 8 TeV LHC
Abstract
An MC@NLO-like matching of NLO QCD calculations with the Nagy-Soper parton shower is briefly summarised. Uncertainties and ambiguities of the matching scheme are shortly discussed. A few results for the pp -> ttj + X production process at the LHC with sqrt(s) = 8 TeV are also shown. All results have been obtained using the Nagy-Soper parton shower implementation in the DEDUCTOR program together with the HELAC-NLO framework.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · High-Energy Particle Collisions Research · Quantum Chromodynamics and Particle Interactions