SU(3) breaking and baryon magnetic moments

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题名:	SU(3) breaking and baryon magnetic moments
作者:	Bos,JW;Chang,D;Lee,SC;Lin,YC;Shih,HH
贡献者:	物理研究所
关键词:	CHIRAL PERTURBATION-THEORY;HYPERON
日期:	1997
上传时间:	2010-07-08 14:06:48 (UTC+8)
出版者:	中央大學
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.
關聯:	CHINESE JOURNAL OF PHYSICS
显示于类别:	[物理研究所] 期刊論文

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