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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

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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. / The ATLAS collaboration.
In: Physics Letters B, Vol. 780, 10.05.2018, p. 557-577.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

The ATLAS collaboration 2018, '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', Physics Letters B, vol. 780, pp. 557-577. https://doi.org/10.1016/j.physletb.2018.03.023

APA

The ATLAS collaboration (2018). 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. Physics Letters B, 780, 557-577. https://doi.org/10.1016/j.physletb.2018.03.023

Vancouver

The ATLAS collaboration. 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. Physics Letters B. 2018 May 10;780:557-577. doi: 10.1016/j.physletb.2018.03.023

Author

The ATLAS collaboration. / 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. In: Physics Letters B. 2018 ; Vol. 780. pp. 557-577.

Bibtex

@article{e1ba05527a7647ea9aa3c37aca648c16,
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",
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 36.1fb−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, tt¯ and 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.",
author = "Barton, {Adam Edward} and Michael Beattie and Bertram, {Iain Alexander} and Guennadi Borissov and Bouhova-Thacker, {Evelina Vassileva} and Harald Fox and Henderson, {Robert Charles William} and Jones, {Roger William Lewis} and Vakhtang Kartvelishvili and Long, {Robin Eamonn} and Love, {Peter Allan} and Muenstermann, {Daniel Matthias Alfred} and Parker, {Adam Jackson} and Malcolm Skinner and Maria Smizanska and Walder, {James William} and Wharton, {Andrew Mark} and Ben Whitmore and {The ATLAS collaboration}",
year = "2018",
month = may,
day = "10",
doi = "10.1016/j.physletb.2018.03.023",
language = "English",
volume = "780",
pages = "557--577",
journal = "Physics Letters B",
issn = "0370-2693",
publisher = "ELSEVIER SCIENCE BV",

}

RIS

TY - JOUR

T1 - 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

AU - Barton, Adam Edward

AU - Beattie, Michael

AU - Bertram, Iain Alexander

AU - Borissov, Guennadi

AU - Bouhova-Thacker, Evelina Vassileva

AU - Fox, Harald

AU - Henderson, Robert Charles William

AU - Jones, Roger William Lewis

AU - Kartvelishvili, Vakhtang

AU - Long, Robin Eamonn

AU - Love, Peter Allan

AU - Muenstermann, Daniel Matthias Alfred

AU - Parker, Adam Jackson

AU - Skinner, Malcolm

AU - Smizanska, Maria

AU - Walder, James William

AU - Wharton, Andrew Mark

AU - Whitmore, Ben

AU - The ATLAS collaboration

PY - 2018/5/10

Y1 - 2018/5/10

N2 - 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 36.1fb−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, tt¯ and 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.

AB - 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 36.1fb−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, tt¯ and 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.

U2 - 10.1016/j.physletb.2018.03.023

DO - 10.1016/j.physletb.2018.03.023

M3 - Journal article

VL - 780

SP - 557

EP - 577

JO - Physics Letters B

JF - Physics Letters B

SN - 0370-2693

ER -