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Large Effects from Small QCD Instantons: Making Soft Bombs at Hadron Colliders

Khoze, Valentin V.; Krauss, Frank; Schott, Matthias

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Authors

Frank Krauss

Matthias Schott



Abstract

It is a common belief that the last missing piece of the Standard Model of particles physics was found with the discovery of the Higgs boson at the Large Hadron Collider. However, there remains a major prediction of quantum tunnelling processes mediated by instanton solutions in the Yang-Mills theory, that is still untested in the Standard Model. The direct experimental observation of instanton-induced processes, which are a consequence of the non-trivial vacuum structure of the Standard Model and of quantum tunnelling in QFT, would be a major breakthrough in modern particle physics. In this paper, we present for the first time a full calculation of QCD instanton-induced processes in proton-proton collisions accounting for quantum corrections due to both initial and final state gluon interactions, a first implementation in an MC event generator as well as a basic strategy how to observe these effects experimentally.

Citation

Khoze, V. V., Krauss, F., & Schott, M. (2020). Large Effects from Small QCD Instantons: Making Soft Bombs at Hadron Colliders. Journal of High Energy Physics, 2020(4), Article 201. https://doi.org/10.1007/jhep04%282020%29201

Journal Article Type Article
Acceptance Date Apr 9, 2020
Online Publication Date Apr 29, 2020
Publication Date Apr 30, 2020
Deposit Date Nov 28, 2019
Publicly Available Date May 7, 2020
Journal Journal of High Energy Physics
Print ISSN 1126-6708
Publisher Scuola Internazionale Superiore di Studi Avanzati (SISSA)
Peer Reviewed Peer Reviewed
Volume 2020
Issue 4
Article Number 201
DOI https://doi.org/10.1007/jhep04%282020%29201
Public URL https://durham-repository.worktribe.com/output/1282242

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

Copyright Statement
This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0), which permits any use, distribution and reproduction in any medium, provided the original author(s) and source are credited.






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