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Measurement of the nuclear modification factor of b-jets in 5.02 TeV Pb+Pb collisions with the ATLAS detector
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SYSNO ASEP 0577552 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Measurement of the nuclear modification factor of b-jets in 5.02 TeV Pb+Pb collisions with the ATLAS detector Author(s) Aad, G. (FR)
Abbott, B. (US)
Abbott, D.C. (US)
Chudoba, Jiří (FZU-D) RID, 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
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 2919 Article number 438 Source Title European Physical Journal C. - : Springer - ISSN 1434-6044
Roč. 83, č. 5 (2023)Number of pages 32 s. Language eng - English Country DE - Germany Keywords ATLAS ; heavy ion: scattering ; lead ; pp: scattering ; energy loss Subject RIV BF - Elementary Particles and High Energy Physics OECD category Particles and field physics Research Infrastructure CERN-CZ III - 90240 - Fyzikální ústav AV ČR, v. v. i. Method of publishing Open access Institutional support FZU-D - RVO:68378271 UT WOS 001022781200001 EID SCOPUS 85160422771 DOI 10.1140/epjc/s10052-023-11427-9 Annotation This paper presents a measurement of b-jet production in Pb+Pb and pp collisions at sNN=5.02sNN =5.02 TeV with the ATLAS detector at the LHC. The measurement uses 260 pb−1pb−1 of pp collisions collected in 2017 and 1.4 nb−1nb−1 of Pb+Pb collisions collected in 2018. In both collision systems, jets are reconstructed via the anti-ktkt algorithm. The b-jets are identified from a sample of jets containing muons from the semileptonic decay of b-quarks using template fits of the muon momentum relative to the jet axis. In pp collisions, b-jets are reconstructed for radius parameters R=0.2R=0.2 and R=0.4R=0.4, and only R=0.2R=0.2 jets are used in Pb+Pb collisions. For comparison, inclusive R=0.2R=0.2 jets are also measured using 1.7 nb−1nb−1 of Pb+Pb collisions collected in 2018 and the same pp collision data as the b-jet measurement. Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2024 Electronic address https://hdl.handle.net/11104/0346669
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