Evaluating Two-Loop massive Operator Matrix Elements with Mellin-Barnes Integrals
arXiv:hep-ph/0607300 · doi:10.1016/j.nuclphysbps.2006.09.033
Abstract
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.
6 pages, 3 figures, 1 style file, to appear in the Proceedings of "Loops and Legs in Quantum Field Theory 2006", Eisenach, April, 2006