Measurement of the differential cross section for top quark pair production in pp collisions at √s=8 TeV

The ATLAS collaboration

研究成果: 雜誌貢獻期刊論文同行評審

156 引文 斯高帕斯(Scopus)

摘要

The normalized differential cross section for top quark pair (tt¯) production is measured in pp collisions at a centre-of-mass energy of 8TeV at the CERN LHC using the CMS detector in data corresponding to an integrated luminosity of 19.7fb-1. The measurements are performed in the lepton+jets (e/μ++jets) and in the dilepton e+e-, μ+μ-, and e±μ∓) decay channels. The tt¯ cross section is measured as a function of the kinematic properties of the charged leptons, the jets associated to b quarks, the top quarks, and the tt¯ system. The data are compared with several predictions from perturbative quantum chromodynamic up to approximate next-to-next-to-leading-order precision. No significant deviations are observed relative to the standard model predictions.

原文???core.languages.en_GB???
文章編號542
頁(從 - 到)1-39
頁數39
期刊European Physical Journal C
75
發行號11
DOIs
出版狀態已出版 - 1 11月 2015

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