Dynamically generated hidden-charm baryon resonances

Details Dynamically generated hidden-charm baryon resonances Dynamically generated hidden-charm baryon resonances

2006-08-04

arxiv.org/abs/hep-ph/0608046v1

Int.J.Mod.Phys.A21:5496-5502,2006

Physics

High Energy Physics

High Energy Physics - Phenomenology

Talk given at charm06

Scientific paper

10.1142/S0217751X06034665

Identifying a zero-range exchange of vector mesons as the driving force for the s-wave scattering of pseudo-scalar mesons off the baryon ground states, a rich spectrum of hadronic nuclei is formed. We argue that chiral symmetry and large-$N_c$ considerations determine that part of the interaction which generates the spectrum. We suggest the existence of strongly bound crypto-exotic baryons, which contain a charm-anti-charm pair. Such states are narrow since they can decay only via OZI-violating processes.

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