Two-loop renormalization of Wilson loop for Drell-Yan production

Abstract

We study the renormalization of the Wilson loop with a path corresponding to the Drell-Yan lepton pair production in two-loop approximation of perturbation theory. We establish the renormalization group equation in next-to-leading order and find a process specific anomalous dimension Gamma_DY in the corresponding approximation.

9 pages, LaTeX, 1 figure

References in corpus (1)

• Phenomenology of Power Corrections in Fragmentation Processes in e^+ e^- Annihilation

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