Phenomenology of the Flavor-Asymmetry in the Light-Quark Sea of the Nucleon

Details Phenomenology of the Flavor-Asymmetry in the Light-Quark Sea of the Nucleon Phenomenology of the Flavor-Asymmetry in the Light-Quark Sea of the Nucleon

2000-02-17

arxiv.org/abs/hep-ph/0002182v2

Mod.Phys.Lett. A15 (2000) 883

Physics

High Energy Physics

High Energy Physics - Phenomenology

5 pages, LaTeX, 2 figures, uses epsfig

Scientific paper

10.1142/S0217732300000888

A phenomenological ansatz for the flavor-asymmetry of the light sea distributions of the nucleon, based on the Pauli exclusion principle, is proposed. This ansatz is compatible with the measured flavor-asymmetry of the unpolarized sea distributions, $\bar{d}>\bar{u}$, of the nucleon. A prediction for the corresponding polarized flavor-asymmetry is presented and shown to agree with predictions of (chiral quark--soliton) models which successfully reproduced the flavor-asymmetry of the unpolarized sea.

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