Quark-antiquark contribution to the BFKL kernel
V. S. Fadin, R. Fiore, A. Flachi, M. I. Kotsky
Abstract
The quark-antiquark contribution to the BFKL kernel is calculated. Using the effective vertex for the q q pair production in the Reggeon-Reggeon collision we find this contribution by integrating the square of this vertex over relative transverse momenta and fractions of longitudinal momenta of produced particles.
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