Abstract
Recent phase-shift solutions are used to evaluate KN FESR integrals in order to examine zeros and phases of the t-channel exchange amplitudes in the most model-independent way. The results suggest that the line reversal breaking in KN CEX observed for pL ⪅ 5.5 GeV/ c is due to a large EXD breaking component in the A 2 exchange flip amplitude. The ϱ exchange flip amplitude is well described by a Regge pole amplitude with NWSZ at − t ≈ 0.5 (GeV/ c) 2. The imaginary parts of ϱ and ω exchange non-flip amplitudes are both peripheral.
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