KN and KbarN Elastic Scattering in the Quark Potential Model

Details KN and KbarN Elastic Scattering in the Quark Potential Model KN and KbarN Elastic Scattering in the Quark Potential Model

2004-10-28

arxiv.org/abs/hep-ph/0410376v1

Phys.Rev. C68 (2003) 055204

Physics

High Energy Physics

High Energy Physics - Phenomenology

20 pages, 8 figures

Scientific paper

10.1103/PhysRevC.68.055204

The KN and KbarN low-energy elastic scattering is consistently studied in the framework of the QCD-inspired quark potential model. The model is composed of the t-channel one-gluon exchange potential, the s-channel one-gluon exchange potential and the harmonic oscillator confinement potential. By means of the resonating group method, nonlocal effective interaction potentials for the KN and KbarN systems are derived and used to calculate the KN and KbarN elastic scattering phase shifts. By considering the effect of QCD renormalization, the contribution of the color octet of the clusters (qqbar) and (qqq) and the suppression of the spin-orbital coupling, the numerical results are in fairly good agreement with the experimental data.

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