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Measurement of the tt¯ 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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Measurement of the tt¯ cross section and its ratio to the Z production cross section using pp collisions at s=13.6 TeV with the ATLAS detector. / ATLAS Collaboration.
In: Phys Lett Sect B Nucl Elem Part High-Energy Phys, Vol. 848, 138376, 31.01.2024.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

ATLAS Collaboration 2024, 'Measurement of the tt¯ cross section and its ratio to the Z production cross section using pp collisions at s=13.6 TeV with the ATLAS detector', Phys Lett Sect B Nucl Elem Part High-Energy Phys, vol. 848, 138376. https://doi.org/10.1016/j.physletb.2023.138376

APA

ATLAS Collaboration (2024). Measurement of the tt¯ cross section and its ratio to the Z production cross section using pp collisions at s=13.6 TeV with the ATLAS detector. Phys Lett Sect B Nucl Elem Part High-Energy Phys, 848, Article 138376. https://doi.org/10.1016/j.physletb.2023.138376

Vancouver

ATLAS Collaboration. Measurement of the tt¯ cross section and its ratio to the Z production cross section using pp collisions at s=13.6 TeV with the ATLAS detector. Phys Lett Sect B Nucl Elem Part High-Energy Phys. 2024 Jan 31;848:138376. Epub 2023 Dec 12. doi: 10.1016/j.physletb.2023.138376

Author

ATLAS Collaboration. / Measurement of the tt¯ cross section and its ratio to the Z production cross section using pp collisions at s=13.6 TeV with the ATLAS detector. In: Phys Lett Sect B Nucl Elem Part High-Energy Phys. 2024 ; Vol. 848.

Bibtex

@article{05ed0918a84245679946769edaaf7c40,
title = "Measurement of the tt¯ cross section and its ratio to the Z production cross section using pp collisions at s=13.6 TeV with the ATLAS detector",
abstract = "The inclusive top-quark-pair production cross section σ tt¯ 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 σ tt¯=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, R tt¯/Z=1.145±0.003(stat.)±0.021(syst.)±0.002(lumi.) is consistent with the Standard Model prediction using the PDF4LHC21 PDF set.",
keywords = "Nuclear and High Energy Physics",
author = "{ATLAS Collaboration} and A.E. Barton and I.A. Bertram and G. Borissov and E.V. Bouhova-Thacker and R.A.M. Ferguson and H. Fox and Alina Hagan and R.C.W. Henderson and R.W.L. Jones and V. Kartvelishvili and P.A. Love and E.J. Marshall and L. Meng and D. Muenstermann and N. Ribaric and K. Rybacki and M. Smizanska and S. Spinali and A.M. Wharton and James Ferrando",
year = "2024",
month = jan,
day = "31",
doi = "10.1016/j.physletb.2023.138376",
language = "English",
volume = "848",
journal = "Phys Lett Sect B Nucl Elem Part High-Energy Phys",
issn = "0370-2693",
publisher = "Elsevier Science B.V.",

}

RIS

TY - JOUR

T1 - Measurement of the tt¯ cross section and its ratio to the Z production cross section using pp collisions at s=13.6 TeV with the ATLAS detector

AU - ATLAS Collaboration

AU - Barton, A.E.

AU - Bertram, I.A.

AU - Borissov, G.

AU - Bouhova-Thacker, E.V.

AU - Ferguson, R.A.M.

AU - Fox, H.

AU - Hagan, Alina

AU - Henderson, R.C.W.

AU - Jones, R.W.L.

AU - Kartvelishvili, V.

AU - Love, P.A.

AU - Marshall, E.J.

AU - Meng, L.

AU - Muenstermann, D.

AU - Ribaric, N.

AU - Rybacki, K.

AU - Smizanska, M.

AU - Spinali, S.

AU - Wharton, A.M.

AU - Ferrando, James

PY - 2024/1/31

Y1 - 2024/1/31

N2 - The inclusive top-quark-pair production cross section σ tt¯ 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 σ tt¯=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, R tt¯/Z=1.145±0.003(stat.)±0.021(syst.)±0.002(lumi.) is consistent with the Standard Model prediction using the PDF4LHC21 PDF set.

AB - The inclusive top-quark-pair production cross section σ tt¯ 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 σ tt¯=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, R tt¯/Z=1.145±0.003(stat.)±0.021(syst.)±0.002(lumi.) is consistent with the Standard Model prediction using the PDF4LHC21 PDF set.

KW - Nuclear and High Energy Physics

U2 - 10.1016/j.physletb.2023.138376

DO - 10.1016/j.physletb.2023.138376

M3 - Journal article

VL - 848

JO - Phys Lett Sect B Nucl Elem Part High-Energy Phys

JF - Phys Lett Sect B Nucl Elem Part High-Energy Phys

SN - 0370-2693

M1 - 138376

ER -