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Optimisation of large-radius jet reconstruction for the ATLAS detector in 13 TeV proton–proton collisions
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SYSNO ASEP 0551168 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Optimisation of large-radius jet reconstruction for the ATLAS detector in 13 TeV proton–proton collisions Author(s) Aad, G. (FR)
Abbott, B. (US)
Abbott, D.C. (US)
Chudoba, Jiří (FZU-D) RID, ORCID
Hejbal, Jiří (FZU-D) RID, ORCID
Hladík, Ondřej (FZU-D) 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
Lokajíček, Miloš (FZU-D) RID, ORCID
Lysák, Roman (FZU-D) RID, ORCID
Marčišovský, Michal (FZU-D) RID, ORCID
Mikeštíková, Marcela (FZU-D) RID, ORCID
Němeček, Stanislav (FZU-D) RID, ORCID
Penc, Ondřej (FZU-D) 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 2928 Article number 334 Source Title European Physical Journal C. - : Springer - ISSN 1434-6044
Roč. 81, č. 4 (2021)Number of pages 47 s. Language eng - English Country DE - Germany Keywords CERN LHC Coll ; top: transverse momentum ; kinematics 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) Research Infrastructure CERN-CZ II - 90104 - Fyzikální ústav AV ČR, v. v. i. Method of publishing Open access Institutional support FZU-D - RVO:68378271 UT WOS 000641660400005 EID SCOPUS 85104634185 DOI 10.1140/epjc/s10052-021-09054-3 Annotation Jet substructure has provided new opportunities for searches and measurements at the LHC, and has seen continuous development since the optimization of the large-radius jet definition used by ATLAS was performed during Run 1. A range of new inputs to jet reconstruction, pile-up mitigation techniques and jet grooming algorithms motivate an optimisation of large-radius jet reconstruction for ATLAS. In this paper, this optimisation procedure is presented, and the performance of a wide range of large-radius jet definitions is compared. The relative performance of these jet definitions is assessed using metrics such as their pileup stability, ability to identify hadronically decaying W bosons and top quarks with large transverse momenta. A new type of jet input object, called a ‘unified flow object’ is introduced which combines calorimeter- and inner-detector-based signals in order to achieve optimal performance across a wide kinematic range. Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2022 Electronic address http://hdl.handle.net/11104/0326617
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