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Probing BFKL Dynamics in the Dijet Cross Section at Large Rapidity Intervals in ppbar Collisions at sqrt{s}=1800 and 630 GeV

Collaboration, D; Abbott, B; (2000) Probing BFKL Dynamics in the Dijet Cross Section at Large Rapidity Intervals in ppbar Collisions at sqrt{s}=1800 and 630 GeV. Physical Review Letters , 84 (25) 5722 - 5727. 10.1103/PhysRevLett.84.5722. Green open access

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Abstract

Inclusive dijet production at large pseudorapidity intervals (delta_eta) between the two jets has been suggested as a regime for observing BFKL dynamics. We have measured the dijet cross section for large delta_eta in ppbar collisions at sqrt{s}=1800 and 630 GeV using the DO detector. The partonic cross section increases strongly with the size of delta_eta. The observed growth is even stronger than expected on the basis of BFKL resummation in the leading logarithmic approximation. The growth of the partonic cross section can be accommodated with an effective BFKL intercept of a_{BFKL}(20GeV)=1.65+/-0.07.

Type: Article
Title: Probing BFKL Dynamics in the Dijet Cross Section at Large Rapidity Intervals in ppbar Collisions at sqrt{s}=1800 and 630 GeV
Open access status: An open access version is available from UCL Discovery
DOI: 10.1103/PhysRevLett.84.5722
Publisher version: http://dx.doi.org/10.1103/PhysRevLett.84.5722
Language: English
Additional information: © 2000 The American Physical Society
URI: https://discovery.ucl.ac.uk/id/eprint/1374199
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