TL;DR
MadGraph 5 is a Python-based matrix element generator with improved algorithms, new user interface, diverse output formats, and full FeynRules compatibility, enhancing performance and flexibility for physics event simulations.
Contribution
It introduces a new version of MadGraph with efficient algorithms, a modern interface, and broad compatibility, enabling advanced physics modeling and collaborative development.
Findings
Enhanced performance and functionality across the program
New output formats including C++ libraries for Pythia 8
Successful demonstration of capabilities through phenomenological examples
Abstract
MadGraph 5 is the new version of the MadGraph matrix element generator, written in the Python programming language. It implements a number of new, efficient algorithms that provide improved performance and functionality in all aspects of the program. It features a new user interface, several new output formats including C++ process libraries for Pythia 8, and full compatibility with FeynRules for new physics models implementation, allowing for event generation for any model that can be written in the form of a Lagrangian. MadGraph 5 builds on the same philosophy as the previous versions, and its design allows it to be used as a collaborative platform where theoretical, phenomenological and simulation projects can be developed and then distributed to the high-energy community. We describe the ideas and the most important developments of the code and illustrate its capabilities through a…
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