SU(3) Breaking from Baryon-Meson Fluctuation in Baryon
Magnetic Moments

Chin. Phys. Lett.

2001, Vol. 18

Issue (2): 190-192 DOI:

Original Articles

SU(3) Breaking from Baryon-Meson Fluctuation in Baryon Magnetic Moments

CHEN Xiao-Lin;MA Bo-Qiang;ZU Dong-Lin

Department of Physics, Peking University, Beijing 100871 Department of Technical Physics, Peking University, Beijing 100871

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CHEN Xiao-Lin, MA Bo-Qiang, ZU Dong-Lin 2001 Chin. Phys. Lett. 18 190-192

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Abstract We investigate the effect of intrinsic sea quark-antiquark pairs on the magnetic moments of the SU(3) octet baryons. The intrinsic quark-antiquark pairs are introduced by a model of energetically-favoured non-perturbative baryon-meson fluctuations. It is shown that the baryon-meson fluctuation model provides a mechanism of SU(3) symmetry breaking in the baryon sea and is related to the violations of Gell-Mann-Okubo and Coleman-Glashow sum rules for the baryon magnetic moments. Such a model is also consistent with its explanation of the violations of Gottfried and Ellis-Jaffe sum rules in deep inelastic scattering.

Keywords: 13.40.Em 11.30.Hv 12.39.Ki 14.20.-c

Published: 01 February 2001

PACS:	13.40.Em	(Electric and magnetic moments)
	11.30.Hv	(Flavor symmetries)
	12.39.Ki	(Relativistic quark model)
	14.20.-c	(Baryons (including antiparticles))

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y2001/V18/I2/0190

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