Quark-Antiquark Regge Trajectories in Large N_c QCD

Abstract

We apply methods developed by Lovelace, Lipatov and Kirschner to evaluate the leading Regge trajectories α(t) with the quantum numbers of nonexotic quark-antiquark mesons at N_c = infinity and in the limit of t going to minus infinity. In this region renormalization group improved perturbation theory should be valid. We discuss the compatibility of nonlinear trajectories with narrow resonance approximations.

12 pages 1 figure not included

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