Higher Twists

Abstract

Higher twist corrections refer to a certain class of contributions to hard processes in strong interactions that are suppressed by a power of the hard scale. This is a very broad field of research which is becoming more and more important as the accuracy of the available experimental data increases. I give an overview of some basic relevant theory concepts and technical developments, and briefly discuss a few phenomenological applications.

Comments: 12 pages, 7 figures, Plenary talk at 15th Conference on Quark Confinement and the Hadron Spectrum, 1-6 August 2022, Stavanger, Norway Stavanger, Norway