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Searches for QCD instantons with forward proton tagging

Tasevsky, Marek; Khoze, Valery; Milne, Daniel; Ryskin, Michail

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Authors

Marek Tasevsky

Daniel Milne daniel.l.milne@durham.ac.uk
PGR Student Doctor of Philosophy

Michail Ryskin



Abstract

We study the possibility to observe heavy (Minst>60 GeV) QCD instantons at the LHC in events with one or two tagged leading protons including fast simulation of detector and pile-up effects. We show that the expected instanton signal in a single-tagged configuration is strongly affected by central detector and pile-up effects. For double-tagged approach, where larger integrated luminosities and hence larger pile-up contaminations need to be considered, the combinatorial background overwhelms the expected signal. We suggest that additional time information about tracks at central and forward rapidities would be crucial for potential improvements.

Citation

Tasevsky, M., Khoze, V., Milne, D., & Ryskin, M. (2023). Searches for QCD instantons with forward proton tagging. The European Physical Journal C, 83, Article 35. https://doi.org/10.1140/epjc/s10052-023-11178-7

Journal Article Type Article
Acceptance Date Dec 30, 2022
Online Publication Date Jan 18, 2023
Publication Date Jan 18, 2023
Deposit Date Jun 7, 2023
Publicly Available Date Jun 7, 2023
Journal The European Physical Journal C
Print ISSN 1434-6044
Electronic ISSN 1434-6052
Publisher SpringerOpen
Peer Reviewed Peer Reviewed
Volume 83
Article Number 35
DOI https://doi.org/10.1140/epjc/s10052-023-11178-7
Public URL https://durham-repository.worktribe.com/output/1170595

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

Copyright Statement
Open Access. This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.






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