Super-leading logarithms in non-global observables in QCD: Fixed order calculation

Published 3 Feb 2009 in hep-ph | (0902.0477v1)

Abstract: Super-leading logarithmic terms have previously been observed in non-global QCD observables. In this paper we re-calculate the first super-leading contribution to the `gaps between jets' cross-section using a diagrammatic fixed order approach. We calculate for the first time the super-leading contribution at fifth order in alpha_s.

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