Algebraic model of baryon structure

Details Algebraic model of baryon structure Algebraic model of baryon structure

2000-08-31

arxiv.org/abs/nucl-th/0008066v1

Physics

Nuclear Physics

Nuclear Theory

6 pages, 2 tables, invited talk Bologna 2000: Structure of the Nucleus at the Dawn of the Century

Scientific paper

We discuss properties of baryon resonances belonging to the Nucleon, Delta, Sigma, Lambda, Xi and Omega families in a collective string-like model for the nucleon, in which the radial excitations are interpreted as rotations and vibrations of the string configuration. We find good overall agreement with the available data. The main discrepancies are found for low lying S-wave states, in particular N(1535), N(1650), Sigma(1750), Lambda*(1405), Lambda(1670) and Lambda(1800).

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