Study of Multiquarks Systems in a Chiral Quark Model

Details Study of Multiquarks Systems in a Chiral Quark Model Study of Multiquarks Systems in a Chiral Quark Model

1996-12-17

arxiv.org/abs/hep-ph/9612382v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages, sprocl.sty, proceeding of "3th Diquark meeting" Turin october 96

Scientific paper

We discuss the stability of multiquark systems within the recent model of Glozman et al. where the chromomagnetic hyperfine interaction is replaced by pseudoscalar-meson exchange contributions. In this model the (u,d) diquark S=0 I=0 is strongly bound (more than for the chromomagnetic interaction) and this leads to a bound heavy tetraquark QQ\bar q\bar q where the light quarks are in the S=0 I=0 configuration. We study the stability of other multiquark systems as well.

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