Non-forward double Pomeron exchange in QCD
classification
✦ hep-ph
keywords
exchangedoublepomeronalphaamplitudeanalyticarbitrarycontributions
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We derive the analytic expression of the two one-loop dipole contributions to the elastic 4-gluon amplitude in QCD for arbitrary transverse momentum. The first one corresponds to the double QCD pomeron exchange, the other to an order $\alpha^2$ correction to one-pomeron exchange.
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