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High Energy Physics - Phenomenology

arXiv:1311.7017 (hep-ph)
[Submitted on 27 Nov 2013 (v1), last revised 3 Dec 2013 (this version, v2)]

Title:Phenomenology of $α_s$ at intermediate energy: the quark-hadron duality approach

Authors:A. Courtoy
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Abstract:In this contribution to the proceedings, we analyze the transition from perturbative and non- perturbative QCD embedded in the coupling constant. In the study of quark-hadron duality, we suggest that the realization of the latter is related to the inclusion of non-perturbative effects at the level of the coupling constant. The outcome of our analysis is a smooth transition from perturba- tive to non-pertuperturbative QCD physics, embodied in the running of the coupling constant at intermediate scales. While our approach is purely perturbative, we compare our result to various non-perturbative schemes.
Comments: To appear in the proceedings of the workshop "QCD-TNT-III: From quarks and gluons to hadronic matter: A bridge too far?", ECT*, Trento, September 2-6 2013. Includes this http URL
Subjects: High Energy Physics - Phenomenology (hep-ph)
Cite as: arXiv:1311.7017 [hep-ph]
  (or arXiv:1311.7017v2 [hep-ph] for this version)
  https://doi.org/10.48550/arXiv.1311.7017

Submission history

From: Aurore Courtoy [view email]
[v1] Wed, 27 Nov 2013 15:50:23 UTC (252 KB)
[v2] Tue, 3 Dec 2013 17:22:04 UTC (271 KB)
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