Combination of measurements of the top quark mass from data collected by the ATLAS and CMS experiments at $\sqrt{s}$ = 7 and 8 TeV

CMS Collaboration, ATLAS Collaboration, Emil Sørensen Bols, Jorgen D'Hondt, Soumya Dansana, Alexandre De Moor, Martin Delcourt, Hesham El Faham, Steven Lowette, Inna Makarenko, Denise Müller, Abanti Ranadhir Sahasransu, Stefaan Tavernier, Michael Tytgat, Senne Van Putte, David Vannerom, Nicolas Stylianou

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Samenvatting

A combination of fifteen top quark mass measurements performed by the ATLAS and CMS experiments at the LHC is presented. The data sets used correspond to an integrated luminosity of up to 5 and 20$^{-1}$ of proton-proton collisions at center-of-mass energies of 7 and 8 TeV, respectively. The combination includes measurements in top quark pair events that exploit both the semileptonic and hadronic decays of the top quark, and a measurement using events enriched in single top quark production via the electroweak $t$-channel. The combination accounts for the correlations between measurements and achieves an improvement in the total uncertainty of 31% relative to the most precise input measurement. The result is $m_\mathrm{t}$ = 172.52 $\pm$ 0.14 (stat) $\pm$ 0.30 (syst) GeV, with a total uncertainty of 0.33 GeV.
Originele taal-2English
Artikelnummer261902
Aantal pagina's37
TijdschriftPhys. Rev. Lett.
Volume132
Nummer van het tijdschrift26
DOI's
StatusPublished - 27 jun 2024

Bibliografische nota

Replaced with the published version. Added the journal reference and the DOI. All the figures and tables, including additional supplementary tables, can be found at http://cms-results.web.cern.ch/cms-results/public-results/publications/TOP-22-001 (CMS Public Pages)

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