Document Type
Article
Publication Date
12-10-1998
Abstract
The cross section for the photoproduction of events containing three jets with a three-jet invariant mass of M31 > 50 GeV has been measured with the ZEUS detector at HERA. The three-jet angular distributions are inconsistent with a uniform population of the available phase space but are well described by parton shower models and script O sign(α α2s) pQCD calculations. Comparisons with the parton shower model indicate a strong contribution from initial state radiation as well as a sensitivity to the effects of colour coherence. © 1998 Elsevier Science B.V. All rights reserved.
Journal Title
Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume
443
Issue
1-4
First Page
394
Last Page
408
DOI
https://doi.org/10.1016/S0370-2693(98)01360-4
First Department
Physics
Recommended Citation
Breitweg, J.; Chekanov, S.; Derrick, M.; Krakauer, D.; Magill, S.; Musgrave, B.; Repond, J.; Stanek, R.; Yoshida, R.; Mattingly, Margarita C. K.; Abbiendi, G.; Anselmo, F.; Antonioli, P.; Bari, G.; Basile, M.; Bellagamba, L.; Boscherini, D.; Bruni, A.; Bruni, G.; Cara Romeo, G.; Castellini, G.; Cifarelli, L.; Cindolo, F.; Contin, A.; Coppola, N.; Corradi, M.; de Pasquale, S.; Giusti, P.; Iacobucci, G.; Laurenti, G.; and Levi, G., "Measurement of Three-Jet Distributions in Photoproduction at HERA" (1998). Faculty Publications. 2664.
https://digitalcommons.andrews.edu/pubs/2664
Acknowledgements
Accepted version retrieved July 19, 2021 from https://arxiv.org/pdf/hep-ex/9810046.pdf