S-matrix and productions amplitudes in high energy QCD
Abstract
In this note we discuss a generalization of the Lipatov's effective action approach, LipatovEff,LipatovEff1, for the case of description of gluon and quark production amplitudes in the quasi-multi-Regge kinematics. Following to Faddeev, we define the S-matrix elements of high energy QCD processes in this kinematics and discuss applications of the obtained results.
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