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A search for pair-produced resonances in four-jet final states at root s=13 TeV with the ATLAS detector

Aaboud, M; Aad, G; Abbott, B; Abdinov, O; Abeloos, B; Abidi, SH; AbouZeid, OS; ... Zwalinski, L; + view all (2018) A search for pair-produced resonances in four-jet final states at root s=13 TeV with the ATLAS detector. The European Physical Journal C , 78 (3) , Article 250. 10.1140/epjc/s10052-018-5693-4. Green open access

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Abstract

A search for massive coloured resonances which are pair-produced and decay into two jets is presented. The analysis uses 36.7 fb−1 of √s = 13 TeV pp collision data recorded by the ATLAS experiment at the LHC in 2015 and 2016. No significant deviation from the background prediction is observed. Results are interpreted in a SUSY simplified model where the lightest supersymmetric particle is the top squark, t ˜, which decays promptly into two quarks through Rparity-violating couplings. Top squarks with masses in the range 100 GeV < mt ˜ < 410 GeV are excluded at 95% confidence level. If the decay is into a b-quark and a light quark, a dedicated selection requiring two b-tags is used to exclude masses in the ranges 100 GeV < mt ˜ < 470 GeV and 480 GeV < mt ˜ < 610 GeV. Additional limits are set on the pair-production of massive colour-octet resonances.

Type: Article
Title: A search for pair-produced resonances in four-jet final states at root s=13 TeV with the ATLAS detector
Open access status: An open access version is available from UCL Discovery
DOI: 10.1140/epjc/s10052-018-5693-4
Publisher version: http://doi.org/10.1140/epjc/s10052-018-5693-4
Language: English
Additional information: Copyright © CERN for the benefit of the ATLAS collaboration 2018 Open Access This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
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-pp.ucl.ac.uk/id/eprint/10046197
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