Heavy Quark Solitons: Strangeness and Symmetry Breaking

Details Heavy Quark Solitons: Strangeness and Symmetry Breaking Heavy Quark Solitons: Strangeness and Symmetry Breaking

1994-01-05

arxiv.org/abs/hep-ph/9401209v2

Phys.Rev.D49:5970-5978,1994

Physics

High Energy Physics

High Energy Physics - Phenomenology

17 pages, RevTEX. Minor typos corrected and new references added

Scientific paper

10.1103/PhysRevD.49.5970

We discuss the generalization of the Callan-Klebanov model to the case of heavy quark baryons. The light flavor group is considered to be $SU(3)$ and the limit of heavy spin symmetry is taken. The presence of the Wess-Zumino-Witten term permits the neat development of a picture , at the collective level, of a light diquark bound to a ``heavy" quark with decoupled spin degree of freedom. The consequences of $SU(3)$ symmetry breaking are discussed in detail. We point out that the $SU(3)$ mass splittings of the heavy baryons essentially measure the ``low energy" physics once more and that the comparison with experiment is satisfactory.

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