Heavy and Light Pentaquark Chiral Lagrangian

Details Heavy and Light Pentaquark Chiral Lagrangian Heavy and Light Pentaquark Chiral Lagrangian

2004-04-15

arxiv.org/abs/hep-ph/0404123v1

Phys.Rev. D70 (2004) 094045

Physics

High Energy Physics

High Energy Physics - Phenomenology

Scientific paper

10.1103/PhysRevD.70.094045

Using the SU(3) flavor symmetry, we construct the chiral Lagrangians for the light and heavy pentaquarks. The correction from the nonzero quark is taken into account perturbatively. We derive the Gell-Mann$-$Okubo type relations for various pentaquark multiplet masses and Coleman-Glashow relations for anti-sextet heavy pentaquark magnetic moments. We study possible decays of pentaquarks into conventional hadrons. We also study the interactions between and within various pentaquark multiplets and derive their coupling constants in the symmetry limit. Possible kinematically allowed pionic decay modes are pointed out.

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