Please use this identifier to cite or link to this item:
https://hdl.handle.net/2440/139523
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DC Field | Value | Language |
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dc.contributor.author | Aad, G. | - |
dc.contributor.author | Abbott, B. | - |
dc.contributor.author | Abbott, D.C. | - |
dc.contributor.author | Abeling, K. | - |
dc.contributor.author | Abidi, S.H. | - |
dc.contributor.author | Aboulhorma, A. | - |
dc.contributor.author | Abramowicz, H. | - |
dc.contributor.author | Abreu, H. | - |
dc.contributor.author | Abulaiti, Y. | - |
dc.contributor.author | Abusleme Hoffman, A.C. | - |
dc.contributor.author | Acharya, B.S. | - |
dc.contributor.author | Achkar, B. | - |
dc.contributor.author | Adam Bourdarios, C. | - |
dc.contributor.author | Adamczyk, L. | - |
dc.contributor.author | Adamek, L. | - |
dc.contributor.author | Addepalli, S.V. | - |
dc.contributor.author | Adelman, J. | - |
dc.contributor.author | Adiguzel, A. | - |
dc.contributor.author | Adorni, S. | - |
dc.contributor.author | Adye, T. | - |
dc.contributor.author | et al. | - |
dc.date.issued | 2023 | - |
dc.identifier.citation | The Journal of High Energy Physics, 2023; 2023(6):138-0-138-53 | - |
dc.identifier.issn | 1029-8479 | - |
dc.identifier.issn | 1029-8479 | - |
dc.identifier.uri | https://hdl.handle.net/2440/139523 | - |
dc.description | Published: June 23, 2023 | - |
dc.description.abstract | The inclusive top-quark pair (tt¯) production cross-section σtt¯ is measured in proton–proton collisions at a centre-of-mass energy s√ = 5.02 TeV, using 257 pb−1 of data collected in 2017 by the ATLAS experiment at the LHC. The tt¯ cross-section is measured in both the dilepton and single-lepton final states of the tt¯ system and then combined. The combination of the two measurements yields σtt¯=67.5±0.9(stat.)±2.3(syst.)±1.1(lumi.)±0.2(beam)pb, where the four uncertainties reflect the limited size of the data sample, experimental and theoretical systematic effects, and imperfect knowledge of both the integrated luminosity and the LHC beam energy, giving a total uncertainty of 3.9%. The result is in agreement with theoretical quantum chromodynamic calculations at next-to-next-to-leading order in the strong coupling constant, including the resummation of next-to-next-to-leading logarithmic soft-gluon terms, and constrains the parton distribution functions of the proton at large Bjorken-x. | - |
dc.description.statementofresponsibility | G. Aad ... E.K. Filmer ... P. Jackson ... A.X.Y. Kong ... H. Potti ... T.A. Ruggeri ... E.X.L. Ting ... M.J. White ... et al. (The ATLAS collaboration) | - |
dc.language.iso | en | - |
dc.publisher | Springer-Verlag | - |
dc.rights | Open Access, Copyright CERN, for the benefit of the ATLAS Collaboration. Article funded by SCOAP3. Open Access. This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0), which permits any use, distribution and reproduction in any medium, provided the original author(s) and source are credited. SCOAP3 supports the goals of the International Year of Basic Sciences for Sustainable Development. | - |
dc.source.uri | http://dx.doi.org/10.1007/jhep06(2023)138 | - |
dc.subject | Hadron-Hadron Scattering; Top Physics | - |
dc.title | Measurement of the tt¯ production cross-section in pp collisions at s√ = 5.02 TeV with the ATLAS detector | - |
dc.title.alternative | Measurement of the tt -bar production cross-section in pp collisions at s root = 5.02 TeV with the ATLAS detector | - |
dc.type | Journal article | - |
dc.identifier.doi | 10.1007/jhep06(2023)138 | - |
pubs.publication-status | Published | - |
dc.identifier.orcid | Filmer, E.K. [0000-0001-6967-7325] | - |
dc.identifier.orcid | Jackson, P. [0000-0002-0847-402X] | - |
dc.identifier.orcid | Kong, A.X.Y. [0000-0001-8063-8765] | - |
dc.identifier.orcid | Potti, H. [0000-0002-0800-9902] | - |
dc.identifier.orcid | Ruggeri, T.A. [0000-0001-9941-1966] | - |
dc.identifier.orcid | Ting, E.X.L. [0000-0002-5886-6339] | - |
dc.identifier.orcid | White, M.J. [0000-0001-5474-4580] | - |
Appears in Collections: | Physics publications |
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File | Description | Size | Format | |
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hdl_139523.pdf | Published version | 1.77 MB | Adobe PDF | View/Open |
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