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The running QCD coupling in the pre-asymptotic region

Burgio, G.; Di Renzo, F.; Parrinello, C. and Pittori, C. (1999) The running QCD coupling in the pre-asymptotic region. Nuclear Physics B - Proceedings Supplements, 74 (1-3). pp. 388-391. ISSN 0920-5632

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Official URL: http://www.elsevier.com/wps/find/journaldescriptio...

Abstract

We study deviations from the perturbative asymptotic behaviour in the running QCD coupling by analysing non-perturbative measurements of alpha_s (p) at low momenta as obtained from the lattice three-gluon vertex. Our exploratory study provides some evidence for power corrections to the perturbative running proportional to 1/p^2.

Item Type:Article
Additional Information:LTH 441. arXiv Number: arXiv:hep-ph/9809450v1. Available online 1 July 1999. March 1999.
Uncontrolled Keywords:AMBIGUITIES; ALPHA(S)
Subjects:Q Science > QC Physics
Departments, Research Centres and Related Units:Academic Faculties, Institutes and Research Centres > Faculty of Science > Department of Mathematical Sciences
DOI:10.1016/S0920-5632(99)00203-0
Related URLs:
Refereed:No
Status:Published
ID Code:628
Deposited On:20 Aug 2008 11:21
Last Modified:20 May 2011 09:33

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