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Expected tracking performance of the ATLAS Inner Tracker at the High-Luminosity LHC
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SYSNO ASEP 0619404 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve SCOPUS Title Expected tracking performance of the ATLAS Inner Tracker at the High-Luminosity LHC Author(s) Aad, G. (FR)
Aakvaag, E. (NO)
Abbott, B. (US)
Chudoba, Jiří (FZU-D) RID, ORCID
Federičová, Pavla (FZU-D) ORCID
Hejbal, Jiří (FZU-D) RID, ORCID
Jačka, Petr (FZU-D) ORCID
Kepka, Oldřich (FZU-D) RID, ORCID
Kroll, Jiří (FZU-D) ORCID
Kupčo, Alexander (FZU-D) RID, ORCID
Latoňová, Věra (FZU-D) ORCID
Lysák, Roman (FZU-D) RID, ORCID
Marčišovský, Michal (FZU-D) RID, ORCID
Mikeštíková, Marcela (FZU-D) RID, ORCID
Nechanský, Filip (FZU-D) ORCID
Němeček, Stanislav (FZU-D) RID, ORCID
Šícho, Petr (FZU-D) RID, ORCID
Staroba, Pavel (FZU-D) RID, ORCID
Svatoš, Michal (FZU-D) RID, ORCID
Taševský, Marek (FZU-D) RID, ORCIDNumber of authors 2957 Article number P2018 Source Title Journal of Instrumentation. - : Institute of Physics Publishing - ISSN 1748-0221
Roč. 2025, č. 20 (2025)Number of pages 49 s. Language eng - English Country US - United States Keywords gaseous imaging and tracking detectors ; particle tracking detectors (Solid-state detectors) ; ATLAS Subject RIV BF - Elementary Particles and High Energy Physics OECD category Particles and field physics R&D Projects LM2023040 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) EH22_008/0004632 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) Method of publishing Open access Institutional support FZU-D - RVO:68378271 EID SCOPUS 105001207995 DOI https://doi.org/10.1088/1748-0221/20/02/P02018 Annotation The high-luminosity phase of LHC operations (HL-LHC), willfeature a large increase in simultaneous proton-proton interactionsper bunch crossing up to 200, compared with a typical levelingtarget of 64 in Run 3. Such an increase will create a verychallenging environment in which to perform charged particletrajectory reconstruction, a task crucial for the success of theATLAS physics program, and will exceed the capabilities of thecurrent ATLAS Inner Detector (ID). A new all-silicon Inner Tracker(ITk) will replace the current ID in time for the start of the HL-LHC. To ensure successful use of the ITk capabilities in Run 4and beyond, the ATLAS tracking software has been successfullyadapted to achieve state-of-the-art track reconstruction inchallenging high-luminosity conditions with the ITk detector. Thispaper presents the expected tracking performance of the ATLAS ITk based on the latest available developments since the ITk technical design reports. Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2026 Electronic address https://hdl.handle.net/11104/0366145
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