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

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

2005-05-20

arxiv.org/abs/hep-ph/0505179v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, 4 figures, talk presented at 16th International Spin Physics Symposium (SPIN2004)

Scientific paper

We discuss interplay of the scalar and vector diquarks which decide the characteristics of the spin polarization as functions of $p_T$ and $x_F$ in the wide kinematical range. We demonstrate a significant effect of quark masses on the pair-creation probabilities from vacuum in $pp \to \Sigma^- X$ and $\gamma p \to \Lambda X$ collisions, and also a remarkable correction induced by the diquark form factor in $ \Sigma^- p \to \Lambda X $ collision.

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