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Modelling exclusive meson pair production at hadron colliders

Harland-Lang, L.A.; Khoze, V.A.; Ryskin, M.G.

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Authors

L.A. Harland-Lang

V.A. Khoze

M.G. Ryskin



Abstract

We present a study of the central exclusive production of light meson pairs, concentrating on the region of lower invariant masses of the central system and/or meson transverse momentum, where perturbative QCD cannot be reliably applied. We describe in detail a phenomenological model, using the tools of Regge theory, that may be applied with some success in this regime, and we present the new, publicly available, Dime Monte Carlo (MC) implementation of this for ππ , KK and ρρ production. The MC implementation includes a fully differential treatment of the survival factor, which in general depends on all kinematic variables, as well as allows for the so far reasonably unconstrained model parameters to be set by the user. We present predictions for the Tevatron and LHC, discuss and estimate the size of the proton-dissociative background, and show how future measurements may further test this Regge-based approach, as well as the soft hadronic model required to calculate the survival factor, in particular in the presence of tagged protons.

Citation

Harland-Lang, L., Khoze, V., & Ryskin, M. (2014). Modelling exclusive meson pair production at hadron colliders. The European Physical Journal C, 74(4), Article 2848. https://doi.org/10.1140/epjc/s10052-014-2848-9

Journal Article Type Article
Acceptance Date Apr 3, 2014
Online Publication Date Apr 25, 2014
Publication Date Apr 30, 2014
Deposit Date Apr 18, 2019
Publicly Available Date Mar 29, 2024
Journal European Physical Journal C: Particles and Fields
Print ISSN 1434-6044
Electronic ISSN 1434-6052
Publisher SpringerOpen
Peer Reviewed Peer Reviewed
Volume 74
Issue 4
Article Number 2848
DOI https://doi.org/10.1140/epjc/s10052-014-2848-9

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Publisher Licence URL
http://creativecommons.org/licenses/by/4.0/

Copyright Statement
© The Author(s) 2014. This article is distributed under the terms of the Creative Commons Attribution License which permits any use, distribution, and reproduction in any medium, provided the original author(s) and the source are credited. Funded by SCOAP3 / License Version CC BY 4.0.





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