Measurement of the t[bar over t] production cross section in the all-jets final state in pp collisions at √s = 8 TeV
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Measurement of the tt.pdf
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Author(s)
Apyan, Aram
Barbieri, Richard Alexander
Baty, Austin Alan
Bierwagen, Katharina
Busza, Wit
Cali, Ivan Amos
Demiragli, Zeynep
Di Matteo, Leonardo
Gomez-Ceballos, Guillelmo
Goncharov, Maxim
Date Issued
March 2016
Journal
The European Physical Journal C
Publisher
Springer-Verlag
Citation
Khachatryan, V. et al. “Measurement of the T[bar over T] Production Cross Section in the All-Jets Final State in Pp Collisions at √s = 8 TeV” The European Physical Journal C 76.3 (2016): n. pag. © 2016 CERN for the benefit of the CMS collaboration
Version
Final published version
Abstract
The cross section for t[bar over t] production in the all-jets final state is measured in pp collisions at a centre-of-mass energy of 8 TeV at the LHC with the CMS detector, in data corresponding to an integrated luminosity of 18.4 fb[superscript −1]. The inclusive cross section is found to be 275.6±6.1(stat)±37.8(syst)±7.2(lumi) \,pb. The normalized differential cross sections are measured as a function of the top quark transverse momenta, pT, and compared to predictions from quantum chromodynamics. The results are reported at detector, parton, and particle levels. In all cases, the measured top quark pT spectra are significantly softer than theoretical predictions.
MIT Department
Massachusetts Institute of Technology. Department of Physics
Massachusetts Institute of Technology. Laboratory for Nuclear Science
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Creative Commons Attribution 4.0 International License
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DOI of Published Version
https://doi.org/10.1140/epjc/s10052-016-3956-5
