Measurement of the tt[bar] production cross-section in the lepton+jets channel at √s=13 TeV with the ATLAS experiment
The top anti-top quark production cross-section is measured in the lepton+jets channel using proton-proton collision data at a centre-of-mass energy of s=13 TeV collected with the ATLAS detector at the LHC. The dataset corresponds to an integrated luminosity of 139 fb−1. Events with exactly one char...
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| Hauptverfasser: | , , , , , , , , , , , , , , , , , , , , , , , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
22 September 2020
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| In: |
Physics letters
Year: 2020, Jahrgang: 810 |
| ISSN: | 1873-2445 |
| DOI: | 10.1016/j.physletb.2020.135797 |
| Online-Zugang: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1016/j.physletb.2020.135797 Verlag, lizenzpflichtig, Volltext: http://www.sciencedirect.com/science/article/pii/S0370269320306006 
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| Verfasserangaben: | the ATLAS Collaboration |
MARC
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| 245 | 1 | 0 | |a Measurement of the tt[bar] production cross-section in the lepton+jets channel at √s=13 TeV with the ATLAS experiment |c the ATLAS Collaboration |
| 246 | 3 | 0 | |a sqrt tt¯ |
| 246 | 3 | 3 | |a Measurement of the tt bar production cross-section in the lepton plus jets channel at square root s = 13 TeV with the ATLAS experiment |
| 264 | 1 | |c 22 September 2020 | |
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| 500 | |a Im Titel steht "s" unter dem Wurzelsymbol | ||
| 500 | |a The ATLAS Collaboration: G. Aad, V. Andrei, F. Bartels, A.E. Bolz, M. Czurylo, S.J. Dittmeier, M. Dunford, D.E. Ferreira de Lima, S. Franchino, J. Jongmanns, M. Klassen, A. Krihnan, T. Mkrtchyan, F. Napolitano, P.S. Ott, A. Schöning, H.-C. Schultz-Coulon, T.M. Spieker, R. Stamen, P. Starovoitov, L. Vigani, S. Weber, M. Wessels, X. Yue [und 2924 weitere] | ||
| 500 | |a Gesehen am 07.12.2020 | ||
| 520 | |a The top anti-top quark production cross-section is measured in the lepton+jets channel using proton-proton collision data at a centre-of-mass energy of s=13 TeV collected with the ATLAS detector at the LHC. The dataset corresponds to an integrated luminosity of 139 fb−1. Events with exactly one charged lepton and four or more jets in the final state, with at least one jet containing b-hadrons, are used to determine the tt¯ production cross-section through a profile-likelihood fit. The inclusive cross-section is measured to be σinc=830±0.4(stat.)±36(syst.)±14(lumi.)pb with a relative uncertainty of 4.6%. The result is consistent with theoretical calculations at next-to-next-to-leading order in perturbative QCD. The fiducial tt¯ cross-section within the experimental acceptance is also measured. | ||
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