The elastic QCD dipole amplitude at one-loop

Details The elastic QCD dipole amplitude at one-loop The elastic QCD dipole amplitude at one-loop

1998-09-22

arxiv.org/abs/hep-ph/9809474v1

Phys.Rev.Lett.82:1370-1373,1999

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages, REVTEX file + 2 .eps figures

Scientific paper

10.1103/PhysRevLett.82.1370

We derive the analytic expression of the two one-loop dipole contributions to the elastic 4-gluon amplitude in QCD. The first one corresponds to the double QCD pomeron exchange, the other to an order alpha^2 correction to one-pomeron exchange. Both are expressed in terms of the square of the recently derived triple QCD pomeron vertex and involve a summation over all conformal Eigenvectors of the BFKL kernel.

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