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Exclusive dielectron production in ultraperipheral Pb+Pb collisions at √s.sub.NN./sub. = 5.02 TeV with ATLAS
- 1.0577315 - FZÚ 2024 RIV DE eng J - Článek v odborném periodiku
Aad, G. - Abbott, B. - Abbott, D.C. - Chudoba, Jiří - Hejbal, Jiří - Jačka, Petr - Kepka, Oldřich - Kroll, Jiří - Kupčo, Alexander - Latoňová, Věra - Lokajíček, Miloš - Lysák, Roman - Marčišovský, Michal - Mikeštíková, Marcela - Němeček, Stanislav - Šícho, Petr - Staroba, Pavel - Svatoš, Michal - Taševský, Marek … celkem 2915 autorů
Exclusive dielectron production in ultraperipheral Pb+Pb collisions at √sNN = 5.02 TeV with ATLAS.
Journal of High Energy Physics. Roč. 2023, č. 6 (2023), č. článku 182. ISSN 1029-8479. E-ISSN 1029-8479
Výzkumná infrastruktura: CERN-CZ III - 90240
Institucionální podpora: RVO:68378271
Klíčová slova: heavy ion experiments * heavy-ion collision * lead: nucleus
Obor OECD: Particles and field physics
Impakt faktor: 5.4, rok: 2022
Způsob publikování: Open access
Exclusive production of dielectron pairs, γγ → e++e−−, is studied using LintLint = 1.72 nb−1−1 of data from ultraperipheral collisions of lead nuclei at sNNsNN = 5.02 TeV recorded by the ATLAS detector at the LHC. The process of interest proceeds via photon–photon interactions in the strong electromagnetic fields of relativistic lead nuclei. Dielectron production is measured in the fiducial region defined by following requirements: electron transverse momentum pTepTe> 2.5 GeV, absolute electron pseudorapidity |ηee| < 2.5, dielectron invariant mass meeee> 5 GeV, and dielectron transverse momentum pTeepTee< 2 GeV. Differential cross-sections are measured as a function of meeee, average pTepTe, absolute dielectron rapidity |yeeee|, and scattering angle in the dielectron rest frame, |cos θ∗∗|, in the inclusive sample, and also with a requirement of no activity in the forward direction.
Trvalý link: https://hdl.handle.net/11104/0346522
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