On the evaluation of three--loop scalar integrals in the massive case

Details On the evaluation of three--loop scalar integrals in the massive case On the evaluation of three--loop scalar integrals in the massive case

1996-04-16

arxiv.org/abs/hep-ph/9604333v1

Phys.Lett. B385 (1996) 279-283

Physics

High Energy Physics

High Energy Physics - Phenomenology

Scientific paper

10.1016/0370-2693(96)00871-4

I describe a method to calculate a class of three-loop selfenergy diagrams for arbitrary internal masses and external momentum. This method combines analytical results and numerical integration, and is suitable for implementation in a computer program to produce fast and accurate results. For the class of Feynman diagrams considered in this paper this method leads to a two-fold integral which needs to be evaluated numerically. Results are given for a range of masses and external momentum.

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