Please use this identifier to cite or link to this item:
https://hdl.handle.net/20.500.11851/3637
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 | Authors: | The ATLAS Collaboration Sultansoy, Saleh |
Keywords: | Collisions jets proton–proton collisions |
Issue Date: | May-2018 | Publisher: | Elsevier B.V. | Source: | 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. | 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=13TeV 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 4.2? in the data and the expected significance is 5.4?. The measured cross-section for tZq production is 600±170(stat.)±140(syst.)fb. © 2018 The Author(s) | URI: | https://hdl.handle.net/20.500.11851/3637 https://www.sciencedirect.com/science/article/pii/S0370269318302120?via%3Dihub |
ISSN: | 0370-2694 |
Appears in Collections: | Malzeme Bilimi ve Nanoteknoloji Mühendisliği Bölümü / Department of Material Science & Nanotechnology Engineering Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection |
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