Authors

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

Acknowledgements

Accepted version retrieved July 19, 2021 from https://arxiv.org/pdf/hep-ex/9810046.pdf

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