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Meson resonances, large N_c and chiral symmetry

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	Cirigliano, Vincenzo; Ecker, Gerhard; Neufeld, Helmut; Pich Zardoya, Antonio Perfil
	This document is a artículoDate2003
	Este documento está disponible también en : http://hdl.handle.net/10550/42481
	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.
	Cirigliano, Vincenzo Ecker, Gerhard Neufeld, Helmut Pich Zardoya, Antonio 2003 Meson resonances, large N_c and chiral symmetry Journal of High Energy Physics 2003 6 012-1 012-14
	http://dx.doi.org/10.1088/1126-6708/2003/06/012