Study of the Low Energy Dynamics in the ppK+K- System with the Cosy-11 Magnetic Spectrometer

Details Study of the Low Energy Dynamics in the ppK+K- System with the Cosy-11 Magnetic Spectrometer Study of the Low Energy Dynamics in the ppK+K- System with the Cosy-11 Magnetic Spectrometer

2009-04-10

arxiv.org/abs/0904.1654v1

Acta Phys.Polon.Supp.B2:97-104,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

Presented at the Symposium on Meson Physics, Cracow, 01-04 October 2008

Scientific paper

The near threshold production of K+K- pairs in proton-proton collisions has been investigated at the cooler synchrotron COSY below and above the threshold for the \phi meson production. The experimental excitation function determined for the pp-->ppK+K- reaction differs from theoretical expectations including proton-proton final state interaction. The discrepancy may be assigned to the influence of K+K- or pK interaction. In this article we present distributions of the cross section for the pp-->ppK+K- reaction as a function of the invariant masses of two and three particle subsystems at excess energies of Q=10 MeV and 28 MeV.

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