Relativistic Quark-Model Results for Baryon Ground and Resonant States

Details Relativistic Quark-Model Results for Baryon Ground and Resonant States Relativistic Quark-Model Results for Baryon Ground and Resonant States

2008-11-11

arxiv.org/abs/0811.1752v1

AIP Conf.Proc.1056:15-22,2008

Physics

High Energy Physics

High Energy Physics - Phenomenology

Scientific paper

10.1063/1.3013036

Latest results from a study of baryon ground and resonant states within relativistic constituent quark models are reported. After recalling some typical spectral properties, the description of ground states, especially with regard to the nucleon and hyperon electromagnetic structures, is addressed. In the following, recent covariant predictions for pion, eta, and kaon partial decay widths of light and strange baryon resonances below 2 GeV are summarized. These results exhibit a characteristic pattern that is distinct from nonrelativistic or relativized decay studies performed so far. Together with a detailed analysis of the spin, flavor, and spatial structures of the wave functions, it supports a new and extended classification scheme of baryon ground and resonant states into SU(3) flavor multiplets.

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