The Azimuthal decorrelation of jets widely separated in rapidity as a test of the BFKL kernel - INSPIRE

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The Azimuthal decorrelation of jets widely separated in rapidity as a test of the BFKL kernel

Feb, 2007

21 pages

Published in:

Nucl.Phys.B 776 (2007) 170-186

e-Print:

hep-ph/0702158 [hep-ph]

DOI:

10.1016/j.nuclphysb.2007.03.050

Report number:

CERN-PH-TH-2007-029,
DESY-07-017

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Abstract:

We study the decorrelation in azimuthal angle of Mueller-Navelet jets at hadron colliders within the BFKL formalism. We introduce NLO terms in the evolution kernel and present a collinearly-improved version of it for all conformal spins. We show how this further resummation has good convergence properties and is closer to the Tevatron data than a simple LO treatment. However, we are still far from a good fit. We offer estimates of these decorrelations for larger rapidity differences which should favor the onset of BFKL effects and encourage experimental studies of this observable at the LHC.

Note:

21 pages, 10 figures Report-no: CERN-PH-TH/2007-029, DESY-07-01

anti-p p: inclusive reaction
p p: inclusive reaction
parton
jet: hadroproduction
jet: pair production
jet: angular correlation
rapidity: difference
angular correlation: decorrelation
BFKL equation
perturbation theory: higher-order

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