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Título

The rho-omega splitting in constituent quark models

AutorVijande, Javier ; Valcarce, A.
Palabras claveConstituent quark models
Meson spectra
Fecha de publicación14-may-2009
EditorElsevier
CitaciónPhysics Letters B:677:36-38,(2009)
ResumenIn this Letter we present a Solution to describe simultaneously the light isoscalar and isovector vector mesons in constituent quark models. In Ref. [J. Vijande. F. Fernandez, A. Valcarce, J. Phys. G 31 (2005) 481] the q (q) over bar spectrum was studied in a generalized constituent quark model constrained by the NN phenomenology and the baryon spectrum. An overall good fit to the available experimental data was obtained. A major problem of this description was the relative position of the vector omega and rho mesons. The present results improve the description of the isoscalar meson spectroscopy. They should serve as a step forward in distinguishing conventional quark model mesons from exotic states. (C) 2009 Elsevier B.V. All rights reserved.
DescripciónPACS: 12.39.Jh; 14.40.-n.--ArXiv pre-print avaible at: http://arxiv.org/abs/0903.2949v1
Versión del editorhttp://dx.doi.org/10.1016/j.physletb.2009.05.017
URIhttp://hdl.handle.net/10261/16669
DOI10.1016/j.physletb.2009.05.017
ISSN0370-2693
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