Automated computation of scattering amplitudes

Abstract

We review some of the recent advances in the computation of one-loop scattering amplitudes which led to the construction of efficient and automated computational tools for NLO predictions. Particular attention is devoted to unitarity-based methods and integrand-level reduction techniques. Extensions of one-loop integrand-level techniques to higher orders are also briefly illustrated.Comment: 13 pages, v2: references corrected. Presented at the "International Workshop on Advanced Computing and Analysis Techniques in Physics Research" (ACAT2013), Beijing, China, May 201