Spin-5/2 resonance effects in a coupled channel nucleon resonance analysis
V. Shklyar, G. Penner, U. Mosel
Abstract
Spin- resonance contributions in pion-nucleon scattering are investigated within the coupled channel K-matrix approach for c.m. energies up to s= 2 GeV. All previously studied πN, 2πN, ηN, K Λ, K Σ, and ωN final states are included. We find a significant improvement of χ2 in almost all channels by inclusion of the spin- states. The obtained coupling parameters are discussed.
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