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Pré-Publication, Document De Travail Année : 2005

Asymptotics of Feynman Diagrams and The Mellin-Barnes Representation

Résumé

It is shown that the integral representation of Feynman diagrams in terms of the traditional Feynman parameters, when combined with properties of the Mellin--Barnes representation and the so called {\it converse mapping theorem}, provide a very simple and efficient way to obtain the analytic asymptotic behaviours in both the large and small ratios of mass scales.
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Dates et versions

hal-00004839 , version 1 (05-05-2005)
hal-00004839 , version 2 (07-07-2005)
hal-00004839 , version 3 (25-08-2005)

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Samuel Friot, David Greynat, Eduardo de Rafael. Asymptotics of Feynman Diagrams and The Mellin-Barnes Representation. 2005. ⟨hal-00004839v3⟩
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