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Open Access item Meson resonances, large N_c and chiral symmetry

Authors:Cirigliano, Vincenzo
Pich, Antonio
Ecker, Gerhard
Neufeld, Helmut
Keywords:Chiral lagrangians, 1/N Expansion, QCD
Issue Date:13-Jun-2003
Publisher:Institute of Physics Publishing
Citation:Journal of High Energy Physics (6): 012 (2003)
Abstract:We investigate the implications of large N_c and chiral symmetry for the mass spectra of meson resonances. Unlike for most other mesons, the mass matrix of the light scalars deviates strongly from its large-N_c limit. We discuss the possible assignments for the lightest scalar nonet that survives in the large-N_c limit.
Description:14 páginas, 2 tablas.-- arXiv:hep-ph/0305311v1
Publisher version (URL):http://dx.doi.org/10.1088/1126-6708/2003/06/012
URI:http://hdl.handle.net/10261/33125
ISSN:1126-6708
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Appears in Collections:(IFIC) Artículos

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