SU(3) breaking and baryon magnetic moments

J. W. Bos, D. Chang, S. C. Lee, Y. C. Lin, H. H. Shih

Research output: Contribution to journalArticlepeer-review

9 Scopus citations

Abstract

We show that the magnetic moments of the octet baryons can be fitted to an accuracy of 1.5% by a phenomenological Lagrangian in which SU(3) breaking corrections appear only linearly. This is in contrast to conventional chiral perturbation theory in which corrections non-analytic in SU(3) breaking dominate and tend to spoil the agreement with the data. Motivated by this observation, we propose a modified scheme for chiral perturbation theory that gives rise to a similar linear breaking of SU(3) symmetry.

Original languageEnglish
Pages (from-to)150-155
Number of pages6
JournalChinese Journal of Physics
Volume35
Issue number2
StatePublished - Apr 1997

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