SU(3) Chiral approach to meson and baryon dynamics

Details SU(3) Chiral approach to meson and baryon dynamics SU(3) Chiral approach to meson and baryon dynamics

1999-08-28

arxiv.org/abs/hep-ph/9908496v1

Nucl.Phys. A663 (2000) 497-500

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages,3 figures, LaTeX, Talk given at PANIC99, Uppsala (Sweden), June 10-16, 1999

Scientific paper

10.1016/S0375-9474(99)00640-5

We report on recent progress on the chiral unitary approach, which is shown to have a much larger convergence radius than ordinary chiral perturbation theory, allowing one to reproduce data for meson meson interaction up to 1.2 GeV and meson baryon interaction up to the first baryonic resonances. Applications to physical processes so far unsuited for a standard chiral perturbative approach are presented, concretely the K^- p\to\Lambda(1405)\gamma reaction and the N^\ast (1535)N^\ast(1535)\pi and \eta couplings.

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