Perturbative expansion of the plaquette to O (α35) in four-dimensional SU(3) gauge theory

Gunnar S. Bali, Clemens Bauer, Antonio Pineda

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35 Citations (Scopus)

Abstract

Using numerical stochastic perturbation theory, we determine the first 35 infinite volume coefficients of the perturbative expansion in powers of the strong-coupling constant α of the plaquette in SU(3) gluodynamics. These coefficients are obtained in lattice regularization with the standard Wilson gauge action. The onset of the dominance of the dimension-four renormalon associated to the gluon condensate is clearly observed. We determine the normalization of the corresponding singularity in the Borel plane and convert this into the MS̄ scheme. We also comment on the impact of the renormalon on nonperturbative determinations of the gluon condensate. © 2014 American Physical Society.
Original languageEnglish
Article number054505
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume89
Issue number5
DOIs
Publication statusPublished - 17 Mar 2014

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