Flavor and Spin Structure of Octet Baryons at Large x

Details Flavor and Spin Structure of Octet Baryons at Large x Flavor and Spin Structure of Octet Baryons at Large x

1999-07-29

arxiv.org/abs/hep-ph/9907556v2

Nucl.Phys. B574 (2000) 331-346

Physics

High Energy Physics

High Energy Physics - Phenomenology

24 pages, 11 figures, version published in Nucl.Phys.B 574 (2000) 331

Scientific paper

10.1016/S0550-3213(00)00021-3

The quark flavor and spin distributions in octet baryons are calculated both in the SU(6) quark spectator diquark model and in a perturbative QCD (pQCD) based model. It is shown that the $\Lambda$ has the most significant difference in flavor structure at large $x$ between the two models, though the flavor and spin structure of other baryons can also provide tests of different models. The Drell-Yan process for $\Sigma^{\pm}$ beams on isoscalar targets can be used to test different predictions concerning the valence quark flavor structure of the $\Sigma^{\pm}$.

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