Phenomenological model for the Kbar N --> K Xi reaction

Abstract

A phenomenological model for the Kbar N --> K Xi reaction is suggested. The model includes s and u channel exchanges by Lambda, Sigma, Sigma(1385), and Lambda(1520) and s channel exchanges by above-threshold hyperonic resonances. Explicit expression for the propagator for a particle with spin 7/2 is presented. High-mass and high-spin resonances play a significant role in the process. We deal with the whole set of existing experimental data on the cross sections and polarizations in the energy range from the threshold to 2.8 GeV in the center-of-mass system and reach a good agreement with experiments. Applications of the model to other elementary reactions of Xi production and to Xi hypernuclear spectroscopy are briefly discussed.

Published version; minor changes

References in corpus (4)

• Dynamical coupled-channel model of meson production reactions in the nucleon resonance region
• Extended-soft-core Baryon-Baryon Model II. Hyperon-Nucleon Interaction
• Photoproduction of Xi off nucleons
• Role of high-spin hyperon resonances in the reaction of $\gamma p\to K^{+}{K}^{+}{\Xi }^{-}$

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