Heavy-Flavour Pentaquarks in a Chiral Constituent Quark Model

Details Heavy-Flavour Pentaquarks in a Chiral Constituent Quark Model Heavy-Flavour Pentaquarks in a Chiral Constituent Quark Model

1997-12-19

arxiv.org/abs/hep-ph/9712452v1

Phys.Lett. B425 (1998) 171-176

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages + tables

Scientific paper

10.1016/S0370-2693(98)00187-7

Within the chiral constituent quark model of Glozman and Riska, we discuss the stability of heavy pentaquarks, i.e. hadrons containing four light quarks and a heavy antiquark. The spin-dependent part of the Hamiltonian is dominated by the short-range part of the Goldstone-boson-exchange interaction. We find that these systems are not bound, having an energy above the lowest dissociation threshold into a baryon and a meson.

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