Vertices and propagators in relativistic quantum string theory

Vyacheslav Kudryavtsev
B. P. Konstantinov Petersburg Nuclear Physics Institute, Gatchina 188300, St.Petersburg, Russia

Vertices and propagators for scattering amplitudes of relativistic quantum strings in cases of classical models: Veneziano, Neveu-Schwarz-Ramond and Green-Schwarz are considered. Relation between operator vertex approach and Polyakov functional integral picture is discussed. A new composite superstring model for hadrons is represented.

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