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Exclusive dimuon production in ultraperipheral Pb + Pb collisions at √s.sub.NN./sub.= 5.02 TeV with ATLAS
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SYSNO ASEP 0552075 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Exclusive dimuon production in ultraperipheral Pb + Pb collisions at √sNN= 5.02 TeV with ATLAS 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 2953 Article number 024906 Source Title Physical Review C. - : American Physical Society - ISSN 2469-9985
Roč. 104, č. 2 (2021)Number of pages 32 s. Language eng - English Country US - United States Keywords ATLAS ; CERN ; dimuon: production ; cross section: measured 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 000686912100002 EID SCOPUS 85114636340 DOI 10.1103/PhysRevC.104.024906 Annotation Exclusive dimuon production in ultraperipheral collisions (UPC), resulting from photon-photon interactions in the strong electromagnetic fields of colliding high-energy lead nuclei, PbPb(γγ)→μ+μ−(Pb(⋆)Pb(⋆))mathrm{PbPb}(gammagamma) ightarrow mu^+mu^- (mathrm{Pb}^{(star)}mathrm{Pb}^{(star)} )PbPb(γγ)→μ+μ−(Pb(⋆)Pb(⋆)), is studied using Lint=0.48mathcal{L}_{mathrm{int}} = 0.48Lint=0.48 nb−1^{-1}−1 of sNN=5.02sqrt{s_mathrm{NN}}=5.02sNN =5.02 TeV lead-lead collision data at the LHC with the ATLAS detector. Dimuon pairs are measured in the fiducial region pTμ>4p_{mathrm{T}mu} > 4pTμ>4 GeV, ∣ημ∣<2.4|eta_{mu}| < 2.4∣ημ∣<2.4, invariant mass mμμ>10m_{mumu} > 10mμμ>10 GeV, and pT,μμ<2p_{mathrm{T,mumu}} < 2pT,μμ<2 GeV. The primary background from single-dissociative processes is extracted from the data using a template fitting technique. Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2022 Electronic address http://hdl.handle.net/11104/0327236
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