Algebraic Treatment of Collective Excitations in Baryon Spectroscopy

Details Algebraic Treatment of Collective Excitations in Baryon Spectroscopy Algebraic Treatment of Collective Excitations in Baryon Spectroscopy

1993-06-17

arxiv.org/abs/nucl-th/9306018v1

Physics

Nuclear Physics

Nuclear Theory

15 pages in Latex, to appear in `Symmetries in Science VII', ed. B. Gruber (Plenum Press, New York, 1993)

Scientific paper

We present an algebraic U(7) model for baryons which encompasses both single-particle and collective forms of quark dynamics. The mass operator by construction preserves the permutation symmetry between identical quarks. The underlying geometric structure of baryons is discussed in terms of a rigid rotating and vibrating oblate top shape. The model is applied to the mass spectrum of nonstrange baryons.

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