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Aad, Georges
[Verfasser:in];
Baltes, Lisa Marie
[Verfasser:in];
Bartels, Falk
[Verfasser:in];
Czurylo, Marta
[Verfasser:in];
Rio, Fernando del
[Verfasser:in];
Dittmeier, Sebastian
[Verfasser:in];
Dunford, Monica
[Verfasser:in];
Franchino, Silvia
[Verfasser:in];
Junkermann, Thomas
[Verfasser:in];
Klassen, Martin
[Verfasser:in];
Mkrtchyan, Tigran
[Verfasser:in];
Ott, Philipp
[Verfasser:in];
Rassloff, Damir Fabrice
[Verfasser:in];
Rodriguez Bosca, Sergi
[Verfasser:in];
Sauer, Christof
[Verfasser:in];
Schöning, André
[Verfasser:in];
Schultz-Coulon, Hans-Christian
[Verfasser:in];
Sothilingam, Varsiha
[Verfasser:in];
Stamen, Rainer
[Verfasser:in];
Starovoitov, Pavel
[Verfasser:in];
Vigani, Luigi
[Verfasser:in];
Weber, Sebastian
[Verfasser:in];
Wessels, Martin
[Verfasser:in];
Zinßer, Joachim
[Verfasser:in]
;
ATLAS Collaboration
Measurement of the 𝑡̄𝑡 cross section and its ratio to the 𝑍 production cross section using 𝑝𝑝 collisions at √𝑠 = 13.6 TeV with the ATLAS detector
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- Medientyp: E-Artikel
- Titel: Measurement of the 𝑡̄𝑡 cross section and its ratio to the 𝑍 production cross section using 𝑝𝑝 collisions at √𝑠 = 13.6 TeV with the ATLAS detector
- Beteiligte: Aad, Georges [Verfasser:in]; Baltes, Lisa Marie [Verfasser:in]; Bartels, Falk [Verfasser:in]; Czurylo, Marta [Verfasser:in]; Rio, Fernando del [Verfasser:in]; Dittmeier, Sebastian [Verfasser:in]; Dunford, Monica [Verfasser:in]; Franchino, Silvia [Verfasser:in]; Junkermann, Thomas [Verfasser:in]; Klassen, Martin [Verfasser:in]; Mkrtchyan, Tigran [Verfasser:in]; Ott, Philipp [Verfasser:in]; Rassloff, Damir Fabrice [Verfasser:in]; Rodriguez Bosca, Sergi [Verfasser:in]; Sauer, Christof [Verfasser:in]; Schöning, André [Verfasser:in]; Schultz-Coulon, Hans-Christian [Verfasser:in]; Sothilingam, Varsiha [Verfasser:in]; Stamen, Rainer [Verfasser:in]; Starovoitov, Pavel [Verfasser:in]; Vigani, Luigi [Verfasser:in]; Weber, Sebastian [Verfasser:in]; Wessels, Martin [Verfasser:in]; Zinßer, Joachim [Verfasser:in]
-
Erschienen:
January 2024
- Erschienen in: Physics letters ; 848(2024) vom: Jan., Artikel-ID 138376, Seite 1-25
- Sprache: Englisch
- DOI: 10.1016/j.physletb.2023.138376
- Identifikator:
- Entstehung:
- Hochschulschrift:
-
Anmerkungen:
Online verfügbar: 7. Dezember 2023, Artikelversion: 12. Dezember 2023
The ATLAS Collaboration: G. Aad, L.M. Baltes, F. Bartels, M.M. Czurylo, S.J. Dittmeier, M. Dunford, S. Franchino, M. Klassen, T. Mkrtchyan, P.S. Ott, D.F. Rassloff, S. Rodriguez Bosca, C. Sauer, A. Schoening, H.-C. Schultz-Coulon, V. Sothilingam, R. Stamen, P. Starovoitov, L. Vigani, S.M. Weber, M. Wessels, J. Zinsser [und 2926 weitere]
- Beschreibung: The inclusive top-quark-pair production cross section σtt¯ and its ratio to the Z-boson production cross section have been measured in proton-proton collisions at s=13.6 TeV, using 29 fb−1 of data collected in 2022 with the ATLAS experiment at the Large Hadron Collider. Using events with an opposite-charge electron-muon pair and b-tagged jets, and assuming Standard Model decays, the top-quark-pair production cross section is measured to be σtt¯=850±3(stat.)±18(syst.)±20(lumi.) pb. The ratio of the tt¯ and the Z-boson production cross sections is also measured, where the Z-boson contribution is determined for inclusive e+e− and μ+μ− events in a fiducial phase space. The relative uncertainty on the ratio is reduced compared to the tt¯ cross section, thanks to the cancellation of several systematic uncertainties. The result for the ratio, Rtt¯/Z=1.145±0.003(stat.)±0.021(syst.)±0.002(lumi.) is consistent with the Standard Model prediction using the PDF4LHC21 PDF set.
- Zugangsstatus: Freier Zugang