Phys. Rev. Lett. 82, 1370–1373 (1999)Elastic QCD Dipole Amplitude at One LoopReceived 22 September 1998; published in the issue dated 15 February 1999 We derive the analytic expression of the two one-loop dipole contributions to the elastic four-gluon amplitude in QCD. The first one corresponds to the double QCD Pomeron exchange, the other to an order α2 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 Balitsky-Fadin-Kuraev-Lipatov kernel. © 1999 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.82.1370
DOI:
10.1103/PhysRevLett.82.1370
PACS:
12.38.Cy, 12.40.Nn
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