Abstract
The available charge-exchange data for πN → ϱN, πN → ωN and ϱ − ω interference effects in the momentum range 6–17 GeV /c are analyzed. Duality considerations are used to constrain as much as possible the exchanged Regge poles and also to relate their contributions to those made by the same Regge exchanges in πN → f 0N and πN → A 2N. Combined with an empirical investigation of the Regge cut contributions, this allows a simultaneous description of vector and tensor meson production. The resulting amplitudes are used to predict interference effects in the common KK̄ decay channel of f 0 and A 2. Other predictions include K ∗(1420) and K̄ ∗(1420) production, and many polarization effects.
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