Pomeron loops in the perturbative QCD with large N c
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The lowest order pomeron loop is calculated for the leading conformal weight with full dependence of the triple-pomeron vertex on intermediate conformal weights. The loop is found to be convergent. Its contribution to the pomeron Green function begins to dominate already at rapidities 10–15. The pomeron pole renormalization is found to be quite small due to a rapid fall of the triple-pomeron vertex with rising conformal weights.
KeywordsGreen Function Vertex Function Loop Contribution Conformal Weight Conformal Representation
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