SU(3) breaking and baryon magnetic moments

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

研究成果: 雜誌貢獻期刊論文同行評審

9 引文 斯高帕斯(Scopus)

摘要

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.

原文???core.languages.en_GB???
頁(從 - 到)150-155
頁數6
期刊Chinese Journal of Physics
35
發行號2
出版狀態已出版 - 4月 1997

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