A practical criterion of irreducibility of multi--loop Feynman integrals

Details A practical criterion of irreducibility of multi--loop Feynman integrals A practical criterion of irreducibility of multi--loop Feynman integrals

2005-07-05

arxiv.org/abs/hep-ph/0507053v2

Phys.Lett. B634 (2006) 325-329

Physics

High Energy Physics

High Energy Physics - Phenomenology

Scientific paper

10.1016/j.physletb.2006.01.052

A practical criterion for the irreducibility (with respect to integration by
part identities) of a particular Feynman integral to a given set of integrals
is presented. The irreducibility is shown to be related to the existence of
stable (with zero gradient) points of a specially constructed polynomial.

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