Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2003-04-15
Phys.Lett. B584 (2004) 298-305
Physics
High Energy Physics
High Energy Physics - Phenomenology
9 pages, 1 figure; v2 includes substantial amplifications and clarifications
Scientific paper
10.1016/j.physletb.2004.01.048
The resummation of logarithmically-enhanced terms to all perturbative orders is a prerequisite for many studies of QCD final-states. Until now such resummations have always been performed by hand, for a single observable at a time. In this letter we present a general `master' resummation formula (and applicability conditions), suitable for a large class of observables. This makes it possible for next-to-leading logarithmic resummations to be carried out automatically given only a computer routine for the observable. To illustrate the method we present the first next-to-leading logarithmic resummed prediction for an event shape in hadronic dijet production.
Banfi Andrea
Salam Gavin P.
Zanderighi Giulia
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