Spin Polarization of Hyperons in the Hadron-Hadron Inclusive Collisions - Mechanisms and Dynamics -

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We discuss interplay of the scalar and vector diquarks which decide the characteristics of the spin polarization as functions of pₜ and xF in the wide kinematical range. We demonstrate a significant effect of quark masses on the pair-creation probabilities from vacuum in pp → Σ- X and γp → ΛX collisions, and also a remarkable correction induced by the diquark form factor in Σ- p → ΛX collision.