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The fusion of hard and soft pomerons : 3-jet diffractive production.

Khoze, V. A. and Martin, A. D. and Ryskin, M. G. and Shuvaev, A. G. and Surnin, I. V. (2019) 'The fusion of hard and soft pomerons : 3-jet diffractive production.', The European physical journal C., 79 (7). p. 605.

Abstract

We consider the central exclusive production of high E_T jets pp\rightarrow p+(X+\mathrm{dijet})+p. In particular we study the possible contamination of the purely exclusive signal by semi-exclusive production where no other secondaries are emitted in one hemisphere, between the highest E_T dijet and the recoil proton, while in the other hemisphere a third jet, plus possibly additional hadron activity, is allowed, but still separated from the incoming proton by a large rapidity gap. This process arising from the fusion of a hard and a soft Pomeron has not been considered before. It turns out that it gives a negligible contribution. The calculation involves a careful treatment of the QCD colour structure of the amplitudes.

Item Type:Article
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Status:Peer-reviewed
Publisher Web site:https://doi.org/10.1140/epjc/s10052-019-7120-x
Publisher statement:This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
Date accepted:08 July 2019
Date deposited:08 January 2020
Date of first online publication:18 July 2019
Date first made open access:02 August 2019

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