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Measurement of the inclusive t[bar over t] cross section in pp collisions at √s = 5.02 TeV using final states with at least one charged lepton

Author(s)
Allen, Brandon Leigh; Abercrombie, Daniel Robert; Azzolini, Virginia; Barbieri, Richard Alexander; Baty, Austin Alan; Bi, Ran; Brandt, Stephanie Akemi; Busza, Wit; Cali, Ivan Amos; D'Alfonso, Mariarosaria; Demiragli, Zeynep; Gomez-Ceballos, Guillelmo; Goncharov, Maxim; Hsu, Dylan George; Iiyama, Yutaro; Innocenti, Gian Michele; Klute, Markus; Kovalskyi, Dmytro; Lai, Yue Shi; Lee, Yen-Jie; Levin, Amy Elizabeth; Luckey Jr, P David; Maier, Benedikt; Marini, Andrea Carlo; McGinn, Christopher Francis; Mironov, Camelia Maria; Narayanan, Siddharth Madhavan; Niu, Xinmei; Paus, Christoph M. E.; Roland, Christof E; Roland, Gunther M; Salfeld-Nebgen, Jakob Maxillian Henry; Stephans, George S. F.; Tatar, Kaya; Velicanu, Dragos Alexandru; Wang, J.; Wang, Ta-Wei; Wyslouch, Boleslaw; ... Show more Show less
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Abstract
The top quark pair production cross section (σ[subscript t[bar over t]]) 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[superscript −1]. The measurement is performed by analyzing events with at least one charged lepton. The measured cross section is σ[subscript t[bar over t]] = 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. Keywords: Hadron-Hadron scattering (experiments), Top physics
Date issued
2018-03
URI
http://hdl.handle.net/1721.1/116665
Department
Massachusetts Institute of Technology. Department of Physics; Massachusetts Institute of Technology. Laboratory for Nuclear Science
Journal
Journal of High Energy Physics
Publisher
Springer Berlin Heidelberg
Citation
The CMS collaboration, et al. “Measurement of the Inclusive t[bar over t] Cross Section in Pp Collisions at √s = 5.02 TeV Using Final States with at Least One Charged Lepton.” Journal of High Energy Physics, vol. 2018, no. 3, Mar. 2018. © 2017 Springer International Publishing AG
Version: Final published version
ISSN
1029-8479

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