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Numerical evaluation of tensor Feynman integrals in Euclidean kinematics
European Physical Journal C: Particles and Fields
For the investigation of higher order Feynman integrals, potentially with tensor structure, it is highly desirable to have numerical methods and automated tools for dedicated, but sufficiently 'simple' numerical approaches. We elaborate two algorithms for this purpose which may be applied in the Euclidean kinematical region and in d=4-2*epsilon dimensions. One method uses Mellin-Barnes representations for the Feynman parameter representation of multi-loop Feynman integrals with arbitrary tensordoi:10.1140/epjc/s10052-010-1516-y fatcat:5c5ignuawndkpblzamkgjc4nf4