Final State Interactions in the Near-Threshold Production of Kaons from Proton-Proton Collisions
A. Sibirtsev, W. Cassing
Abstract
We analyse the pp p ΛK cross section recently measured at COSY arguing that the enhancement of the production cross section at energies close to the reaction threshold should be due to the Λp final state interaction. We find that the experimental Λp elastic scattering data as well as the predictions from the Jülich-Bonn model are in reasonable agreement with the new results on K+-meson production. We propose to study directly the final state interaction by measurements of the cross section as a function of the hyperon momentum in the Λp cm system.
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