Systematic uncertainties in NLOPS matching
Marek Schonherr, Stefan Hoeche, Frank Krauss, Frank Siegert
TL;DR
This paper evaluates the uncertainties in NLOPS matching methods like MC@NLO and MEPS@NLO within Sherpa for processes including dijet and W+jets production, highlighting their impact on theoretical predictions.
Contribution
It systematically assesses perturbative and non-perturbative uncertainties in NLOPS matching techniques using Sherpa for key collider processes.
Findings
Quantifies uncertainties in dijet production
Analyzes W boson plus jets production
Provides insights into matching method reliability
Abstract
The MC@NLO and MEPS@NLO methods, as implemented in the Monte-Carlo event generator framework Sherpa, are used to estimate the perturbative and non-perturbative uncertainties in various processes such as dijet production and the production of a W boson in association with (multiple) jets.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · High-Energy Particle Collisions Research · Quantum Chromodynamics and Particle Interactions