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Inclusive dijet production at low Bjorken-x in deep inelastic scattering.

H1 Collaboration, The and Henderson, Rob C. W. and Sloan, T. and Aktas, A. (2004) Inclusive dijet production at low Bjorken-x in deep inelastic scattering. European Physical Journal C: Particles and Fields, 33 (4). pp. 477-493. ISSN 1434-6044

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Abstract

Dijet production in deep inelastic ep scattering is investigated in the region of low values of the Bjorken-variable x (10-4 < x < 10-2) and low photon virtualities Q2 (5 < Q2 < 100 GeV2). The measured dijet cross sections are compared with perturbative QCD calculations in next-to-leading order. For most dijet variables studied, these calculations can provide a reasonable description of the data over the full phase space region covered, including the region of very low x. However, large discrepancies at low x and low Q2 are observed for events with small separation in azimuth between the two highest transverse momentum jets. This region of phase space is described better by predictions based on the CCFM evolution equation, which incorporates kt factorized unintegrated parton distributions. A reasonable description can be also obtained using the Color Dipole Model or models incorporating virtual photon structure.

Item Type: Article
Journal or Publication Title: European Physical Journal C: Particles and Fields
Subjects: Q Science > QC Physics
Departments: Faculty of Science and Technology > Physics
ID Code: 23987
Deposited By: ep_ss_importer
Deposited On: 25 Feb 2009 10:52
Refereed?: Yes
Published?: Published
Last Modified: 10 Jun 2013 15:51
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/23987

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