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Janusz Gluza, Krzysztof Kajda, Tord Riemann, Valery Yundin
TL;DR
This paper discusses the application of Mellin-Barnes and sector decomposition techniques for evaluating tensorial Feynman diagrams, highlighting software tools and providing examples in the Euclidean region.
Contribution
It introduces specific software packages and demonstrates their use in tensorial Feynman diagram evaluation using Mellin-Barnes and sector decomposition methods.
Findings
Effective evaluation of tensorial Feynman diagrams demonstrated
Software packages facilitate the computation process
Examples illustrate practical application in Euclidean region
Abstract
Mellin-Barnes and sector decomposition methods are used to evaluate tensorial Feynman diagrams in the Euclidean kinematical region. Few software packages are shortly described and few examples demonstrate their use.
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