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Measurement of the cross-section for the process γγ→pp¯ at √see=183−189GeV at LEP

Bailey, Ian Richard and Kartvelishvili, Vakhtang (2003) Measurement of the cross-section for the process γγ→pp¯ at √see=183−189GeV at LEP. European Physical Journal C: Particles and Fields, 28 (1). pp. 45-54. ISSN 1434-6044

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Abstract

The exclusive production of proton-antiproton pairs in the collisions of two quasi-real photons has been studied using data taken at √see = 183 GeV and 189 GeV with the OPAL detector at LEP. Results are presented for pp¯ invariant masses, W, in the range 2.15 <W < 3.95 GeV. The cross-section measurements are compared with previous data and with recent analytic calculations based on the quark-diquark model.

Item Type: Article
Journal or Publication Title: European Physical Journal C: Particles and Fields
Subjects:
Departments: Faculty of Science and Technology > Physics
ID Code: 82973
Deposited By: ep_importer_pure
Deposited On: 16 Nov 2016 14:38
Refereed?: Yes
Published?: Published
Last Modified: 21 Sep 2017 01:52
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/82973

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