Rapidity evolution of TMDs with running coupling

Balitsky, Ian and Chirilli, Giovanni A. (2022) Rapidity evolution of TMDs with running coupling. PHYSICAL REVIEW D, 106 (3): 034007. ISSN 2470-0010, 2470-0029

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Abstract

The scale of a coupling constant for rapidity-only evolution of transverse-momentum dependent (TMD) operators in the Sudakov kinematic region is calculated using the Brodsky-Lepage-Mackenzie optimal scale setting [S. J. Brodsky et al., Phys. Rev. D 28, 228 (1983).]. The effective argument of a coupling constant is halfway in the logarithmical scale between the transverse momentum and energy of TMD distribution. The resulting rapidity-only evolution equation is solved for quark and gluon TMDs.

Item Type: Article
Subjects: 500 Science > 530 Physics
Divisions: Physics > Institute of Theroretical Physics
Depositing User: Dr. Gernot Deinzer
Date Deposited: 16 Feb 2024 06:17
Last Modified: 16 Feb 2024 06:17
URI: https://pred.uni-regensburg.de/id/eprint/57879

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