New Developments in MadGraph/MadEvent
Johan Alwall, Pierre Artoisenet, Simon de Visscher, Claude Duhr,, Rikkert Frederix, Michel Herquet, Olivier Mattelaer
TL;DR
This paper discusses recent updates to MadGraph/MadEvent, including new features like jet matching, decay simulations, process generation, and an interface to FeynRules, enhancing its capabilities for particle physics research.
Contribution
It introduces several new functionalities to MadGraph/MadEvent, notably jet matching with Pythia, decay chain handling, and an interface to FeynRules, expanding its application scope.
Findings
Enhanced simulation accuracy with jet matching and decay handling.
New tools for quarkonium amplitude calculations.
Improved NLO calculations with automatic dipole subtraction.
Abstract
We here present some recent developments of MadGraph/MadEvent since the latest published version, 4.0. These developments include: Jet matching with Pythia parton showers for both Standard Model and Beyond the Standard Model processes, decay chain functionality, decay width calculation and decay simulation, process generation for the Grid, a package for calculation of quarkonium amplitudes, calculation of Matrix Element weights for experimental events, automatic dipole subtraction for next-to-leading order calculations, and an interface to FeynRules, a package for automatic calculation of Feynman rules and model files from the Lagrangian of any New Physics model.
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Taxonomy
TopicsGraph Theory and Algorithms · Advanced Graph Neural Networks · Semantic Web and Ontologies