Anomalous dimensions for hard exclusive processes

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.

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Publication Details

Published
2024-12-27
DOI
https://doi.org/10.22323/1.469.0225
Primary Topic
Stochastic processes and financial applications
Type
article
Field-Weighted Citation Impact
0.00

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article

Anomalous dimensions for hard exclusive processes

Sam Van Thurenhout
Stochastic processes and financial applications
article

Anomalous dimensions for hard exclusive processes

Sam Van Thurenhout
article en

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.

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Stochastic processes and financial applications
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Anomalous dimensions for hard exclusive processes — Sam Van Thurenhout · (2024) | TGRS Research Map | TGRS