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https://hdl.handle.net/10316/103893
Título: | Muon reconstruction and identification efficiency in ATLAS using the full Run 2 pp collision data set at √ s = 13 TeV | Autor: | Fiolhais, M. C. N. Veloso, F. Wolters, H. Gonçalo, R. ATLAS Collaboration |
Data: | Jul-2021 | Editora: | Springer Nature | Título da revista, periódico, livro ou evento: | European Physical Journal C | Volume: | 81 | Número: | 7 | Resumo: | This article documents the muon reconstruction and identification efficiency obtained by the ATLAS experiment for 139 fb−1 of pp collision data at √ s = 13 TeV collected between 2015 and 2018 during Run 2 of the LHC. The increased instantaneous luminosity delivered by the LHC over this period required a reoptimisation of the criteria for the identification of prompt muons. Improved and newly developed algorithms were deployed to preserve high muon identification efficiency with a low misidentification rate and good momentum resolution. The availability of large samples of Z → μμ and J/ψ → μμ decays, and the minimisation of systematic uncertainties, allows the efficiencies of criteria for muon identification, primary vertex association, and isolation to be measured with an accuracy at the per-mille level in the bulk of the phase space, and up to the percent level in complex kinematic configurations. Excellent performance is achieved over a range of transverse momenta from 3 GeV to several hundred GeV, and across the full muon detector acceptance of |η| < 2.7. | URI: | https://hdl.handle.net/10316/103893 | DOI: | 10.1140/epjc/s10052-021-09233-2 | Direitos: | openAccess |
Aparece nas coleções: | FCTUC Física - Artigos em Revistas Internacionais |
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Ficheiro | Descrição | Tamanho | Formato | |
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Muon-reconstruction-and-identification-efficiency-in-ATLAS-using-the-full-Run-2-pp-collision-data-set-at-s13-TeV2021European-Physical-Journal-COpen-Access.pdf | 6.77 MB | Adobe PDF | Ver/Abrir |
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