Gaps between Jets in the High Energy Limit

Abstract

We use perturbative QCD to calculate the parton level cross section for the production of two jets that are far apart in rapidity, subject to a limitation on the total transverse momentum Q0 in the interjet region. We specifically address the question of how to combine the approach which sums all leading logarithms in Q/Q0 (where Q is the jet transverse momentum) with the BFKL approach, in which leading logarithms of the scattering energy are summed. This paper constitutes progress towards the simultaneous summation of all important logarithms. Using an "all orders" matching, we are able to obtain results for the cross section which correctly reproduce the two approaches in the appropriate limits.

29 pages, 9 figures, minor corrections to text and improved figures

References in corpus (2)

• Non-global logarithms in inter-jet energy flow with kt clustering requirement
• The resummation of inter-jet energy flow for gaps-between-jets processes at HERA

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