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VOLUME 58 (1993) | ISSUE 5 | PAGE 321
Superconformal string amplitudes for π-meson interactions
Operator vertices of a new type are constructed for superconformal tree amplitudes. Amplitudes with these vertices describe the interactions of an arbitrary number of π mesons with a realistic spectrum of resonant states. A leading Regge trajectory ap=\ + a't corresponds to this spectrum. The operator structure of the amplitudes reproduces the terms of dual quark diagrams in many ways.