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Title:	Effective field theories for heavy quarkonium
Author:	Brambilla, Nora; Pineda, Antonio; Soto Riera, Joan; Vairo, Antonio
Other authors:	Universitat de Barcelona
Abstract:	This article reviews recent theoretical developments in heavy-quarkonium physics from the point of view of effective-field theories of QCD. We discuss nonrelativistic QCD and concentrate on potential nonrelativistic QCD. The main goal will be to derive Schrödinger equations based on QCD that govern heavy-quarkonium physics in the weak- and strong-coupling regimes. Finally, the review discusses a selected set of applications, which include spectroscopy, inclusive decays, and electromagnetic threshold production.
Subject(s):	-Pertorbació (Dinàmica quàntica) -Cromodinàmica quàntica -Teoria de camps (Física) -Quarks -Perturbation (Quantum dynamics) -Quantum chromodynamics -Field theory (Physics) -Quarks
Rights:	(c) American Physical Society, 2005
Document type:	Article Article - Published version
Published by:	American Physical Society
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