Exotic hadrons in s-wave chiral dynamics

Details Exotic hadrons in s-wave chiral dynamics Exotic hadrons in s-wave chiral dynamics

2006-09-02

arxiv.org/abs/hep-ph/0609014v2

Phys.Rev.Lett. 97 (2006) 192002

Physics

High Energy Physics

High Energy Physics - Phenomenology

RevTeX4, 4 pages, 1 figure, 2 tables, typos corrected

Scientific paper

10.1103/PhysRevLett.97.192002

We study s-wave scattering of a hadron and a Nambu-Goldstone boson induced by the model-independent low energy interaction in the flavor SU(3) symmetric limit. Establishing the general structure of the low energy interaction based on group theoretical arguments, we find that the interaction in the exotic channels are in most cases repulsive, and that for possible attractive channels the interaction strengths are weak and uniquely given independent of channel. Solving the scattering problem with this interaction, we show that the attraction in the exotic channels is not strong enough to generate a bound state from the physically known target hadrons. We also find that there are no attractive interaction in the exotic channels in large Nc limit.

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