On the polarization of the nucleon sea in the meson cloud model
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✦ hep-ph
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modelpolarizationcloudmesonnucleondependentexchangesexplanation
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It is pointed out that the meson cloud model predicts a substantial polarization of the sea quarks of the nucleon due to interference of $\pi$ and $\rho$ exchanges. This polarization is strongly flavour dependent. The model gives an explanation of a strong increase in the structure function $g_1$ with isospin I=1 at small $x$.
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