Automatizing the application of Mellin-Barnes representations for Feynman integrals

Details Automatizing the application of Mellin-Barnes representations for Feynman integrals Automatizing the application of Mellin-Barnes representations for Feynman integrals

2007-07-24

arxiv.org/abs/0707.3567v2

PoSACAT2007:081,2007

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages, contribution to proceedings of ACAT, Amsterdam, The Netherlands, April 23-27, 2007, several (trivial) typos correcte

Scientific paper

Feynman diagrams may be evaluated by Mellin-Barnes representations of their Feynman parameter integrals in d=4-2\eps dimensions. Recently, the Mathematica toolkit AMBRE has been developed for the automatic derivation of such representations with a loop-by-loop approach. We describe the package and exemplify its use with the \eps-expansion of the massive one-loop QED vertex function.

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