Unitarity corrections from the high energy QCD effective action

Details Unitarity corrections from the high energy QCD effective action Unitarity corrections from the high energy QCD effective action

2008-08-22

arxiv.org/abs/0808.3082v1

Acta Phys.Polon.B39:2567-2570,2008

Physics

High Energy Physics

High Energy Physics - Phenomenology

Presented at the School on QCD, Low x Physics, Saturation and Diffraction, Copanello, Italy, July 2007

Scientific paper

We investigate the derivation of reggeon transition vertices from Lipatov's gauge invariant effective action for high energy processes in QCD. In particular we address the question of longitudinal integrations in order to reduce the vertices into the required purely transverse form. We explicitly derive the BFKL-kernel and verify vanishing of the 2-to-3 reggeon transition vertex. First results on the derivation of the 2-to-4 reggeon transition vertex are discussed.

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