Strange and singlet form factors of the nucleon: Predictions for G0, A4, and HAPPEX-II experiments

Details Strange and singlet form factors of the nucleon: Predictions for G0, A4, and HAPPEX-II experiments Strange and singlet form factors of the nucleon: Predictions for G0, A4, and HAPPEX-II experiments

2002-10-12

arxiv.org/abs/hep-ph/0210189v3

Eur.Phys.J. A22 (2004) 481-487

Physics

High Energy Physics

High Energy Physics - Phenomenology

16 pages, 3 figures, Final version for publication in Eur. Phys. J. A

Scientific paper

10.1140/epja/i2003-10240-x

We investigate the strange and flavor-singlet electric and magnetic form factors of the nucleon within the framework of the SU(3) chiral quark-soliton model. Isospin symmetry is assumed and the symmetry-conserving SU(3) quantization is employed, rotational and strange quark mass corrections being included. For the experiments G0, A4, and HAPPEX-II we predict the quantities $G^{0}_E + \beta G^{0}_M$ and $G^{\rm s}_E + \beta G^{\rm s}_M$. The dependence of the results on the parameters of the model and the treatment of the Yukawa asymptotic behavior of the soliton are investigated.

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