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We present a study on hyperon/anti-hyperon production asymmetries in theframework of the recombination model. The production asymmetries for Lambda0/Lambda 0-bar, Xi-/Xi+ and Omega-/Omega+ are studied as a function of x_F.Predictions of the model are compared to preliminary data onhyperon/anti-hyperon production asymmetries in 500 GeV/c pi- p interactionsfrom the Fermilab E791 experiment. The model predicts a growing asymmetry withthe number of valence quarks shared by the target and the produced hyperons inthe x_F < 0 region. In the positive x_F region, the model predicts constantasymmetries for Lambda 0/Lambda 0-bar and Omega-/Omega+ production and agrowing asymmetry with x_F for Xi-/Xi+. We found a qualitatively good agreementbetween the model predictions and data, showing that recombination is acompetitive mechanism in the hadronization process.Comment: One reference correcte

Asymmetry studies in Λ[sup 0]/Λ̄[sup 0], Ξ[sup −]/Ξ[sup +] and Ω[sup −]/Ω[sup +] production