Chiral symmetry and resonances in QCD

Details Chiral symmetry and resonances in QCD Chiral symmetry and resonances in QCD

2004-02-25

arxiv.org/abs/nucl-th/0402084v1

Physics

Nuclear Physics

Nuclear Theory

Invited talk given at Hirschegg 2004, 12 pages, 6 figures

Scientific paper

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.

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