Strangeness asymmetry of the nucleon in the statistical parton model

Details Strangeness asymmetry of the nucleon in the statistical parton model Strangeness asymmetry of the nucleon in the statistical parton model

2007-02-21

arxiv.org/abs/hep-ph/0702221v1

Phys.Lett.B648:39-45,2007

Physics

High Energy Physics

High Energy Physics - Phenomenology

8 pages, 7 figures, To appear in Physics Letters B

Scientific paper

10.1016/j.physletb.2007.02.063

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.

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