Anomalous dimensions for hard exclusive processes
Pre-published on:
December 27, 2024
Published on:
January 16, 2025
Abstract
We give an overview of recent developments in the computation of the anomalous dimension matrix of composite operators in non-forward kinematics. The elements of this matrix determine the scale dependence of non-perturbative parton distributions, such as GPDs, and hence constitute important input for phenomenological studies of exclusive processes like deeply-virtual Compton scattering. Particular emphasis will be put on a recently developed method that exploits consistency relations for the anomalous dimension matrix which follow from the renormalization structure of the operators.
DOI: https://doi.org/10.22323/1.469.0225
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