Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2011-08-09
Physics
High Energy Physics
High Energy Physics - Phenomenology
30 pages, 2 figures
Scientific paper
We present a new model format for automatized matrix-element generators, the so- called Universal FeynRules Output (UFO). The format is universal in the sense that it features compatibility with more than one single generator and is designed to be flexible, modular and agnostic of any assumption such as the number of particles or the color and Lorentz structures appearing in the interaction vertices. Unlike other model formats where text files need to be parsed, the information on the model is encoded into a Python module that can easily be linked to other computer codes. We then describe an interface for the Mathematica package FeynRules that allows for an automatic output of models in the UFO format.
Degrande Celine
Duhr Claude
Fuks Benjamin
Grellscheid David
Mattelaer Olivier
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