Strange Form Factors of Baryons

Abstract
We investigate the behavior of magnetic moments and the strange form factors of the baryon octet based on the SU(3) chiral models. We consider a set of inertia parameters to realize the magnetic moment data of baryon octet in a model independent way. When the inertia parameters are adjusted, the model can successfully reproduce all measured magnetic moments of the baryon octet. We find the strange form factor of proton to be positive, which confirms McKeown's conjecture. The positiveness of the strange form factor of proton is analized in terms of the vacuum fluctuation coupled to the vector current along the strangeness direction.

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