Azimuthal decorrelations between QCD jets at all orders

Details Azimuthal decorrelations between QCD jets at all orders Azimuthal decorrelations between QCD jets at all orders

2008-04-23

arxiv.org/abs/0804.3786v1

Phys.Lett.B665:86-91,2008

Physics

High Energy Physics

High Energy Physics - Phenomenology

12 pages, 1 figure

Scientific paper

10.1016/j.physletb.2008.05.065

A quantity that promises to reveal important information on perturbative and non-perturbative QCD dynamics is the azimuthal decorrelation between jets in different hard processes. In order to access this information fixed-order NLO predictions need to be supplemented by resummation of logarithmic terms which are large in the region where the jets are nearly back-to-back in azimuth. In the present letter we carry out this resummation to next-to--leading logarithmic accuracy explaining the important role played by the recombination scheme in general resummations for such jet observables.

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