The SU(3) beta function from numerical stochastic perturbation theory

R. Horsley, H. Perlt, P. E. L. Rakow, G. Schierholz*, A. Schiller

*Corresponding author for this work

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The SU(3) beta function is computed from Wilson loops to 20th order numerical stochastic perturbation theory. An attempt is made to include massless fermions, whose contribution is known analytically to 4th order. The question whether the theory admits an infrared stable fixed point is addressed. (C) 2013 Elsevier B.V. All rights reserved.

Original languageEnglish
Pages (from-to)1-4
Number of pages4
JournalPhysics Letters B
Publication statusPublished - 20 Jan 2014

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