We calculate massive 5-propagator 2-loop integrals for operator matrix elements in the light-cone expansion, using Mellin-Barnes techniques and representations through generalized hypergeometric functions.
@article{arxiv.hep-ph/0607300,
title = {Evaluating Two-Loop massive Operator Matrix Elements with Mellin-Barnes Integrals},
author = {I. Bierenbaum and J. Blümlein and S. Klein},
journal= {arXiv preprint arXiv:hep-ph/0607300},
year = {2009}
}
Comments
6 pages, 3 figures, 1 style file, to appear in the Proceedings of "Loops and Legs in Quantum Field Theory 2006", Eisenach, April, 2006