Flavor Asymmetry in Hyperons and Drell-Yan Processes

Details Flavor Asymmetry in Hyperons and Drell-Yan Processes Flavor Asymmetry in Hyperons and Drell-Yan Processes

1998-06-30

arxiv.org/abs/nucl-th/9806104v1

Acta Phys.Polon. B29 (1998) 2459-2466

Physics

Nuclear Physics

Nuclear Theory

6 pages; 10 figures (can be obtained as ps. files); talk given at the Conference on Mesons, Baryons and Nuclei, Cracow

Scientific paper

SU(3), baryon octets and a meson cloud model are compared for the flavor asymmetry of sea quarks in the $\Sigma^+$, as an example. Large differences are found, especially between SU(3) and the meson cloud model. We suggest Drell-Yan measurements of $\Sigma^{+}-p$ and $\Sigma^{+}- d$ to test the prediction of various models. We use the meson cloud model to predict both valence and sea quark distributions.

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