Chiral symmetry and resonances in QCD

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We study the formation of resonances in terms of the chiral SU(3) Lagrangian. At leading order parameter-free predictions are obtained for the scattering of Goldstone bosons off any hadron once we insist on approximate crossing symmetry of the unitarized scattering amplitude. A wealth of empirically established resonances are recovered and so far unseen resonances are predicted. Here we review in some detail the properties of light axial-vector mesons.
Invited talk given at Hirschegg 2004, 12 pages, 6 figures

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Nuclear Theory

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http://salesiana.dossiersoluciones.com/handle/123456789/82186

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/nucl-th/0402084
 http://arxiv.org/abs/nucl-th/0402084

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arXiv