Abstract:The implications of duality and absence of exotics are investigated in a multiperipheral model of pseudoscalar meson-meson scattering. An exchange-degenerate leading trajectory is obtained besides low lying ones in exotic and non-exotic channels.The absence of resonances with exotic quantum numbers and the requirement of duality lead t o exchange degeneracy between trajectories of different signature and internal quantum numbers. These principles have been used by LOVELACE [l] to construct a simple model for n… Show more
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