A strategy for the off-shell analysis of collinear singularities in Feynman diagrams
arXiv:1103.5343
Abstract
In my PHD thesis I present a method for the off-shell singularity analysis of Feynman amplitudes based on the Speer sector decomposition of the Schwinger parametric integrals combined with the Mellin-Barnes tranform. I apply the method to one-loop corrections to Deep Inelastic Scattering.
70 pages, PHD Thesis