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Searches for QCD instantons with forward proton tagging
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SYSNO ASEP 0570812 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Searches for QCD instantons with forward proton tagging Author(s) Taševský, Marek (FZU-D) RID, ORCID
Khoze, V.A. (GB)
Milne, D. (GB)
Ryskin, M.G. (RU)Number of authors 4 Article number 35 Source Title European Physical Journal C. - : Springer - ISSN 1434-6044
Roč. 83, č. 1 (2023)Number of pages 8 s. Language eng - English Country DE - Germany Keywords quantum chromodynamics ; instanton ; diffraction ; large rapidity gap ; forward proton tagging Subject RIV BF - Elementary Particles and High Energy Physics OECD category Particles and field physics R&D Projects LTT17018 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) Method of publishing Open access Institutional support FZU-D - RVO:68378271 UT WOS 000917348200004 EID SCOPUS 85146460371 DOI 10.1140/epjc/s10052-023-11178-7 Annotation We study the possibility to observe heavy (M_inst>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. Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2024 Electronic address https://hdl.handle.net/11104/0342150
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