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Measurement of the kt splitting scales in Z → `` events in pp collisions at √s = 8 TeV with the ATLAS detector

Aaboud, M; Aad, G; Abbott, B; Abdallah, J; Abdinov, O; Abeloos, B; Abidi, SH; ... Antrim, DJ; + view all (2017) Measurement of the kt splitting scales in Z → `` events in pp collisions at √s = 8 TeV with the ATLAS detector. Journal of High Energy Physics , 2017 (8) , Article 26. 10.1007/JHEP08(2017)026. Green open access

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Abstract

A measurement of the splitting scales occuring in the k t jet-clustering algorithm is presented for final states containing a Z boson. The measurement is done using 20.2 fb −1 of proton-proton collision data collected at a centre-of-mass energy of s=8 TeV by the ATLAS experiment at the LHC in 2012. The measurement is based on chargedparticle track information, which is measured with excellent precision in the p T region relevant for the transition between the perturbative and the non-perturbative regimes. The data distributions are corrected for detector effects, and are found to deviate from state-of-the-art predictions in various regions of the observables.[Figure not available: see fulltext.].

Type: Article
Title: Measurement of the kt splitting scales in Z → `` events in pp collisions at √s = 8 TeV with the ATLAS detector
Open access status: An open access version is available from UCL Discovery
DOI: 10.1007/JHEP08(2017)026
Publisher version: http://doi.org/10.1007/JHEP08(2017)026
Language: English
Additional information: © 2017, The Author(s). This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0), which permits any use, distribution and reproduction in any medium, provided the original author(s) and source are credited.
Keywords: Hadron-Hadron scattering (experiments)
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Physics and Astronomy
URI: https://discovery.ucl.ac.uk/id/eprint/1562469
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