Update of the stranger story: The strange vector form factors of the nucleon in the SU(3) chiral quark-soliton model

Details Update of the stranger story: The strange vector form factors of the nucleon in the SU(3) chiral quark-soliton model Update of the stranger story: The strange vector form factors of the nucleon in the SU(3) chiral quark-soliton model

1995-06-16

arxiv.org/abs/hep-ph/9506344v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

25 pages including 7 figures. RevTex is used. Numerous changes are made

Scientific paper

The strange vector form factors are evaluated for $Q^2=0$ and $Q^2=1\ \mbox{GeV}^2$ in the framework of the SU(3) chiral quark-soliton model (or semi-bosonized SU(3) Nambu-Jona-Lasinio model). The rotational $1/N_c$ and $m_s$ corrections are taken into account up to linear order. The mean-square strange radius $\langle r^{2}\rangle^{Sachs}_{s}=-0.35\; \mbox{fm}^2$ and the strange magnetic moment $\mu_s = -0.44\;\mu_N$ are obtained. The results are compared with several different models.

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