k-Factorization and Small-x Anomalous Dimensions
G. Camici, M. Ciafaloni
Abstract
We investigate the consistency requirements of the next-to leading BFKL equation with the renormalization group, with particular emphasis on running coupling effects and NL anomalous dimensions. We show that, despite some model dependence of the bare hard Pomeron, such consistency holds at leading twist level, provided the effective variable αs(t) log(1/x) is not too large. We give a unified view of resummation formulas for coefficient functions and anomalous dimensions in the Q0-scheme and we discuss in detail the new one for the qq contributions to the gluon channel.
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