Hyperons as collective excitations of chiral solitons

Details Hyperons as collective excitations of chiral solitons Hyperons as collective excitations of chiral solitons

1998-07-20

arxiv.org/abs/hep-ph/9807419v1

Nucl.Phys.Proc.Suppl. 75B (1999) 57-59

Physics

High Energy Physics

High Energy Physics - Phenomenology

3 pages, uses col2.sty (included), Talk presented at the III Int. Conf. on Hyperons, Charm and Beauty Hadrons, Genova, June--J

Scientific paper

10.1016/S0920-5632(99)00324-2

According to the large $N_C$ limit of QCD baryons are considered as soliton solutions in effective mesons theories. While the classical solitons dwell in the isospin subgroup of flavor SU(3) hyperon states are generated by canonical quantization of the collective coordinates which describe the flavor orientation of the soliton. The resulting Hamiltonian is diagonalized exactly allowing one to discuss the dependence of various baryon properties on flavor symmetry breaking. In particular axial charges, baryon magnetic moments and radiative decay widths are considered.

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