# Measurement of the inclusive $t\overline t$ cross section in pp collisions at $\sqrt s$ = 5.02 TeV using final states with at least one charged lepton

## Abstract

The top quark pair production cross section $\left({\sigma}_{\mathrm{t}\overline{\mathrm{t}}}\right)$ is measured for the first time in pp collisions at a center-of-mass energy of 5.02 TeV. The data were collected by the CMS experiment at the LHC and correspond to an integrated luminosity of $27.4 pb^ {−1}$. The measurement is performed by analyzing events with at least one charged lepton. The measured cross section is ${\sigma}_{\mathrm{t}\overline{\mathrm{t}}}$, with a total relative uncertainty of 12%. The result is in agreement with the expectation from the standard model. The impact of the presented measurement on the determination of the gluon distribution function is investigated.

## Abstract

The top quark pair production cross section $\left({\sigma}_{\mathrm{t}\overline{\mathrm{t}}}\right)$ is measured for the first time in pp collisions at a center-of-mass energy of 5.02 TeV. The data were collected by the CMS experiment at the LHC and correspond to an integrated luminosity of $27.4 pb^ {−1}$. The measurement is performed by analyzing events with at least one charged lepton. The measured cross section is ${\sigma}_{\mathrm{t}\overline{\mathrm{t}}}$, with a total relative uncertainty of 12%. The result is in agreement with the expectation from the standard model. The impact of the presented measurement on the determination of the gluon distribution function is investigated.

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Item Type: Journal Article, refereed, original work 07 Faculty of Science > Physics Institute 530 Physics Physical Sciences > Nuclear and High Energy Physics English 2018 01 Mar 2019 14:32 14 Jul 2020 15:43 Springer 1029-8479 Gold Publisher DOI. An embargo period may apply. https://doi.org/10.1007/JHEP03(2018)115

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