Abstract
In the framework of the dual resonance mode, we construct two-current planar amplitudes by a procedure suggested by Cremmer, Neveu and Scherk. In particular, we consider the large- s behaviour of the Compton-like amplitude. Besides normal Regge trajectories, we find half-slope trajectories which are shifted by an amount depending on the momenta of the current legs. Additionally, a j = 1 wrong-signature fixed-pole behaviour is found, but no right-signature fixed poles are present. The scaling limit is also discussed, and found to depend critically on certain ill-defined factors arising in the model.
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