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Higher order perturbation theory for the SU(3) skyrme model

Authors
Journal
Physics Letters B
0370-2693
Publisher
Elsevier
Publication Date
Volume
224
Identifiers
DOI: 10.1016/0370-2693(89)91069-1

Abstract

Abstract We show that the results obtained by Yabu and Ando treating the symmetry breaking exactly can easily be reproduced by perturbation theory, carried out to next to leading order. An explanation is provided for the success of the Gell-Mann-Okubo mass formula in this model even though first order perturbation theory is inadequate. The important role of SU(3) 10 and 27 “impurities” in the octet baryon wavefunctions is pointed out. A number of observables are discussed in the framework of perturbation theory.

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