Measurement of normalized differential tt¯tt¯ cross sections in the dilepton channel from pp collisions at s√=13s=13 TeV
Measurement of normalized differential tt¯tt¯ cross sections in the dilepton channel from pp collisions at s√=13s=13 TeV
Normalized differential cross sections for top quark pair production are measured in the dilepton (e+e−, μ+μ−, and μ∓e±) decay channels in proton-proton collisions at a center-of-mass energy of 13 TeV. The measurements are performed with data corresponding to an integrated luminosity of 2.1 fb−1 using the CMS detector at the LHC. The cross sections are measured differentially as a function of the kinematic properties of the leptons, jets from bottom quark hadronization, top quarks, and top quark pairs at the particle and parton levels. The results are compared to several Monte Carlo generators that implement calculations up to next-to-leading order in perturbative quantum chromodynamics interfaced with parton showering, and also to fixed-order theoretical calculations of top quark pair production up to next-to-next-to-leading order.
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Belyaev, Alexander
6bdb9638-5ff9-4b65-a8f2-34bae3ac34b3
Belyaev, Alexander
6bdb9638-5ff9-4b65-a8f2-34bae3ac34b3
The CMS Collaboration
(2018)
Measurement of normalized differential tt¯tt¯ cross sections in the dilepton channel from pp collisions at s√=13s=13 TeV.
Journal of High Energy Physics, 2018 (60), .
(doi:10.1007/JHEP04(2018)060).
Abstract
Normalized differential cross sections for top quark pair production are measured in the dilepton (e+e−, μ+μ−, and μ∓e±) decay channels in proton-proton collisions at a center-of-mass energy of 13 TeV. The measurements are performed with data corresponding to an integrated luminosity of 2.1 fb−1 using the CMS detector at the LHC. The cross sections are measured differentially as a function of the kinematic properties of the leptons, jets from bottom quark hadronization, top quarks, and top quark pairs at the particle and parton levels. The results are compared to several Monte Carlo generators that implement calculations up to next-to-leading order in perturbative quantum chromodynamics interfaced with parton showering, and also to fixed-order theoretical calculations of top quark pair production up to next-to-next-to-leading order.
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Sirunyan 2018 Article Measurement Of Normalized Differential
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Accepted/In Press date: 27 March 2018
e-pub ahead of print date: 11 April 2018
Identifiers
Local EPrints ID: 421162
URI: http://eprints.soton.ac.uk/id/eprint/421162
ISSN: 1029-8479
PURE UUID: e80318eb-ec5f-46aa-9802-69b4005ba14b
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Date deposited: 24 May 2018 16:30
Last modified: 05 Oct 2024 01:43
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Corporate Author: The CMS Collaboration
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