Axial Excitation of the Delta in Chiral Quark Models

Details Axial Excitation of the Delta in Chiral Quark Models Axial Excitation of the Delta in Chiral Quark Models

2002-11-19

arxiv.org/abs/hep-ph/0211290v1

Few Body Syst.Suppl. 14 (2003) 303-306

Physics

High Energy Physics

High Energy Physics - Phenomenology

Contributed talk at the XVIII European Conference on Few-Body Problems in Physics, September 8-14, Bled, Slovenia, 4 pages LaT

Scientific paper

We discuss electro-magnetic and weak axial N-Delta transition amplitudes in
the linear sigma-model and the Cloudy-Bag Model as typical representatives of
chiral quark models. We show that good qualitative understanding of the
transition can be obtained in models which, in addition to the pion cloud,
incorporate a fluctuating sigma-field inside the baryon.

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