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arXiv · hep-ph/9509269

The Charm and Bottom Hyperons in a Chiral Quark Model

L. Ya. Glozman·D. O. Riska
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Abstract

The spectrum of the C=1 hyperons is well described by the constituent quark model, if the fine structure interaction between the light and strange quarks is mediated by the $SU(3)_F$ octet of light pseudoscalar mesons, which are the Goldstone bosons of the hidden approximate chiral symmetry of QCD. With the addition of a phenomenological flavor exchange interaction of the same form between the light and the charm quarks to describe the $Σ_c-Σ_c^*$ and $Ξ_c^s-Ξ_c^*$ splittings, the splittings between the C=1 states fall within 10-30 MeV of the empirical values. Predictions are presented for the lowest negative parity excited states and the magnetic moments as well. Corresponding predictions for the B=-1 hyperon states are also given.

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L. Ya. Glozman, D. O. Riska. 1997-05-02. The Charm and Bottom Hyperons in a Chiral Quark Model. https://doi.org/10.1016/0375-9474(96)80005-c

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