Strangeness asymmetry of the nucleon in the statistical parton model
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We extend to the strange quarks and antiquarks, the statistical approach of parton distributions and we calculate the strange quark asymmetry $s-\bar s$. We find that the asymmetry is small, positive in the low $x$ region and negative in the high $x$ region. In this framework, the polarized strange quarks and antiquarks distributions, which are obtained simultaneously, are found to be both negative for all $x$ values.
8 pages, 7 figures, To appear in Physics Letters B
8 pages, 7 figures, To appear in Physics Letters B