The effective action and the triple Pomeron vertex
M. Hentschinski
TL;DR
This paper develops a regularization method for longitudinal integrations in high energy QCD effective action, rederives key equations, and explores the connection between reggeized gluon transitions and the triple Pomeron vertex.
Contribution
It introduces a regularization mechanism for light-cone integrations and links reggeon field theory vertices with the perturbative QCD triple Pomeron vertex.
Findings
Regularization mechanism for longitudinal integrations in high energy QCD.
Derivation of reggeized gluon and BFKL-equation from the effective action.
Connection established between reggeon transition vertices and the triple Pomeron vertex.
Abstract
We study integrations over light-cone momenta in the gauge invariant effective action of high energy QCD. A regularization mechanism which allows for the evaluation of the longitudinal integrations is presented. After a rederivation of the reggeized gluon and the BFKL-equation from the effective action, we study the 1-3 and 2-4 reggeized gluon transition vertex of QCD Reggeon field theory and discuss their connection with the usual triple Pomeron vertex of perturbative QCD.
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