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Measurement of the hadronic cross-section for the scattering of two virtual photons at LEP

Bailey, Ian Richard and Kartvelishvili, Vakhtang (2002) Measurement of the hadronic cross-section for the scattering of two virtual photons at LEP. European Physical Journal C: Particles and Fields, 24 (1). pp. 17-31. ISSN 1434-6044

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Abstract

The interaction of virtual photons is investigated using the reaction e+e−→e+e− hadrons based on data taken by the OPAL experiment at e+e− centre-of-mass energies √see=189−209 GeV, fo W>5 GeV and at an average Q2 of 17.9 GeV2. The measured cross-sections are compared to predictions of the Quark Parton Model (QPM), to the Leading Order QCD Monte Carlo model PHOJET, to the NLO prediction for the reaction e+e−→e+e−qq¯, and to BFKL calculations. PHOJET, NLO e+e−→e+e−qq¯, and QPM describe the data reasonably well, whereas the cross-section predicted by a Leading Order BFKL calculation is too large.

Item Type: Article
Journal or Publication Title: European Physical Journal C: Particles and Fields
Subjects:
Departments: Faculty of Science and Technology > Physics
ID Code: 82939
Deposited By: ep_importer_pure
Deposited On: 16 Nov 2016 12:12
Refereed?: Yes
Published?: Published
Last Modified: 17 Nov 2017 12:34
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/82939

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