Chiral quarks, chiral limit, nonanalytic terms and baryon spectroscopy

Details Chiral quarks, chiral limit, nonanalytic terms and baryon spectroscopy Chiral quarks, chiral limit, nonanalytic terms and baryon spectroscopy

1999-04-27

arxiv.org/abs/hep-ph/9904459v2

Phys.Lett. B459 (1999) 589-593

Physics

High Energy Physics

High Energy Physics - Phenomenology

to appear in Phys. Lett. B, typos corrected, figure captions added, one sentence added

Scientific paper

10.1016/S0370-2693(99)00706-6

It is shown that the principal pattern in baryon spectroscopy, which is
associated with the flavor-spin dependent hyperfine interaction, is due to the
spontaneous breaking of chiral symmetry in QCD and persists in the chiral
limit. All corrections, which are associated with a finite quark (Goldstone
boson) mass are suppressed by the factor $(\mu/\Lambda_\chi$)^2 and higher.

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