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Combination of measurements of the top quark mass from data collected by the ATLAS and CMS experiments at V=7 and 8 TeV

Abstract: A combination of fifteen top quark mass measurements performed by the ATLAS and CMS experiments at the LHC is presented. The datasets used correspond to an integrated luminosity of up to 5 and Formula Presented 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 Formula Presented 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 mt=172.52±0.14(stat)±0.30(syst) GeV, with a total uncertainty of 0.33 GeV.

 Fuente: Physical Review Letters, 2024, 132(26), 261902

 Editorial: American Physical Society

 Fecha de publicación: 01/06/2024

 Nº de páginas: 37

 Tipo de publicación: Artículo de Revista

 DOI: 10.1103/PhysRevLett.132.261902

 ISSN: 0031-9007,1079-7114

 Proyecto español: PCI2022- 135018-2

 Url de la publicación: https://doi.org/10.1103/PhysRevLett.132.261902

Autoría

HAYRAPETYAN, A.

SANDEEP BHOWMIK

SERGIO BLANCO FERNANDEZ

JAVIER ANDRES BROCHERO CIFUENTES

MARCOS FERNANDEZ GARCIA

CLARA LASAOSA GARCIA

PABLO MATORRAS CUEVAS

EFREN NAVARRETE RAMOS