An Effective Action for Quasi-elastic Scatterings in QCD

Details An Effective Action for Quasi-elastic Scatterings in QCD An Effective Action for Quasi-elastic Scatterings in QCD

1994-12-20

arxiv.org/abs/hep-th/9412173v1

Phys.Rev.D51:4001-4004,1995

Physics

High Energy Physics

High Energy Physics - Theory

8 pages, uses Feynman.tex

Scientific paper

10.1103/PhysRevD.51.4001

A new effective action for the high energy quark-quark scatterings is obtained by applying a scaling approximation to the QCD action. The propagators are shown to factorize into the transverse and the longitudinal parts so that the scattering amplitudes are given in terms of the products of two dimensional $S$-matrices. we show that our action provides a natural effective field theory for the Lipatov's theory of quark scatterings with quasi-elastic unitarity. The amplitude with quasi-elastic unitarity obtained from this action shows `Regge' behavior and is eikonalized.

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