Phenomenological Study of Excited Baryons

Details Phenomenological Study of Excited Baryons Phenomenological Study of Excited Baryons

1998-07-14

arxiv.org/abs/hep-ph/9807365v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

9 pages, 2 eps figures "Talk given at the workshop Future Directions in Quark Nuclear Physics", Adelaide, March (1998)

Scientific paper

We study baryon excited states for quark confinement and chiral symmetry breaking. In the first part we discuss spatially deformed baryon excitations. As signals of deformation, we study masses and electromagnetic transitions. Such a study of spatial structure is expected to provide information on quark binding mechanism and hence quark confinement. In the second part, we consider the chiral symmetry for baryons and study positive and negative parity baryons. We show that there are two distinctive representations of chiral symmetry for baryons. We investigate their phenomenological consequences in terms of linear sigma models.

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