Please use this identifier to cite or link to this item:
https://hdl.handle.net/2440/132811
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dc.contributor.author | Aaboud, M. | - |
dc.contributor.author | Aad, G. | - |
dc.contributor.author | Abbott, B. | - |
dc.contributor.author | Abdinov, O. | - |
dc.contributor.author | Abeloos, B. | - |
dc.contributor.author | Abidi, S. | - |
dc.contributor.author | AbouZeid, O. | - |
dc.contributor.author | Abraham, N. | - |
dc.contributor.author | Abramowicz, H. | - |
dc.contributor.author | Abreu, H. | - |
dc.contributor.author | Abreu, R. | - |
dc.contributor.author | Abulaiti, Y. | - |
dc.contributor.author | Acharya, B. | - |
dc.contributor.author | Adachi, S. | - |
dc.contributor.author | Adamczyk, L. | - |
dc.contributor.author | Adelman, J. | - |
dc.contributor.author | Adersberger, M. | - |
dc.contributor.author | Adye, T. | - |
dc.contributor.author | Affolder, A. | - |
dc.contributor.author | Afik, Y. | - |
dc.contributor.author | et al. | - |
dc.date.issued | 2018 | - |
dc.identifier.citation | Physics Letters B: Nuclear Physics and Particle Physics, 2018; 780:557-577 | - |
dc.identifier.issn | 0370-2693 | - |
dc.identifier.issn | 1873-2445 | - |
dc.identifier.uri | https://hdl.handle.net/2440/132811 | - |
dc.description.abstract | The production of a top quark in association with a Z boson is investigated. The proton–proton collision data collected by the ATLAS experiment at the LHC in 2015 and 2016 at a centre-of-mass energy of √s = 13 TeV are used, corresponding to an integrated luminosity of 36.1 fb⁻¹. Events containing three identified leptons (electrons and/or muons) and two jets, one of which is identified as a b-quark jet are selected. The major backgrounds are diboson, t¯tand Z + jets production. A neural network is used to improve the background rejection and extract the signal. The resulting significance is 4.2σ in the data and the expected significance is 5.4σ. The measured cross-section for tZq production is 600 ±170 (stat.)±140 (syst.)fb. | - |
dc.description.statementofresponsibility | M. Aaboud … D. Duvnjak … P. Jackson … A. Petridis … H. Potti … M.J. White … et al. [The ATLAS Collaboration] | - |
dc.language.iso | en | - |
dc.publisher | Elsevier | - |
dc.rights | © 2018 The Author(s). Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/). Funded by SCOAP³. | - |
dc.source.uri | http://dx.doi.org/10.1016/j.physletb.2018.03.023 | - |
dc.title | Measurement of the production cross-section of a single top quark in association with a Z boson in proton–proton collisions at 13 TeV with the ATLAS detector | - |
dc.type | Journal article | - |
dc.identifier.doi | 10.1016/j.physletb.2018.03.023 | - |
dc.relation.grant | ARC | - |
pubs.publication-status | Published | - |
Appears in Collections: | Physics publications |
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File | Description | Size | Format | |
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hdl_132811.pdf | Published Version | 1.03 MB | Adobe PDF | View/Open |
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