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Measurement of the inclusive tt¯tt¯ cross section in pp collisions at s√=5.02s=5.02 TeV using final states with at least one charged lepton

Measurement of the inclusive tt¯tt¯ cross section in pp collisions at s√=5.02s=5.02 TeV using final states with at least one charged lepton
Measurement of the inclusive tt¯tt¯ cross section in pp collisions at s√=5.02s=5.02 TeV using final states with at least one charged lepton
The top quark pair production cross section (σtt¯)(σtt¯) 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 σtt¯σtt¯ = 69.5 ± 6.1 (stat) ± 5.6 (syst) ± 1.6 (lumi) pb, 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.
1029-8479
Belyaev, Alexander
6bdb9638-5ff9-4b65-a8f2-34bae3ac34b3
The CMS Collaboration
Belyaev, Alexander
6bdb9638-5ff9-4b65-a8f2-34bae3ac34b3

Belyaev, Alexander , The CMS Collaboration (2018) Measurement of the inclusive tt¯tt¯ cross section in pp collisions at s√=5.02s=5.02 TeV using final states with at least one charged lepton. Journal of High Energy Physics, 2018 (03), [115]. (doi:10.1007/JHEP03(2018)115).

Record type: Article

Abstract

The top quark pair production cross section (σtt¯)(σtt¯) 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 σtt¯σtt¯ = 69.5 ± 6.1 (stat) ± 5.6 (syst) ± 1.6 (lumi) pb, 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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10.1007%2FJHEP03(2018)115 - Version of Record
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Accepted/In Press date: 5 March 2018
e-pub ahead of print date: 20 March 2018
Published date: March 2018

Identifiers

Local EPrints ID: 419413
URI: http://eprints.soton.ac.uk/id/eprint/419413
ISSN: 1029-8479
PURE UUID: f165b6fb-f162-4dd2-97fc-ec8bff49b4c5
ORCID for Alexander Belyaev: ORCID iD orcid.org/0000-0002-1733-4408

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Date deposited: 12 Apr 2018 16:30
Last modified: 17 Dec 2019 01:44

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