Measurement of the production cross section for single top quarks in association with W bosons in proton-proton collisions at √s=13 TeV

The CMS collaboration

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Abstract

A measurement is presented of the associated production of a single top quark and a W boson in proton-proton collisions at s=13 TeV by the CMS Collaboration at the CERN LHC. The data collected corresponds to an integrated luminosity of 35.9 fb−1. The measurement is performed using events with one electron and one muon in the final state along with at least one jet originated from a bottom quark. A multivariate discriminant, exploiting the kinematic properties of the events, is used to separate the signal from the dominant t t ¯ background. The measured cross section of 63.1 ± 1.8(stat) ± 6.4(syst) ± 2.1 (lumi) pb is in agreement with the standard model expectation.[Figure not available: see fulltext.].

Original languageEnglish
Article number117
JournalJournal of High Energy Physics
Volume2018
Issue number10
DOIs
Publication statusPublished - 1 Oct 2018

Bibliographical note

Publisher Copyright:
© 2018, The Author(s).

Funding

Open Access, Copyright CERN, for the benefit of the CMS Collaboration. Article funded by SCOAP3. analyses. Finally, we acknowledge the enduring support for the construction and operation of the LHC and the CMS detector provided by the following funding agencies: the Austrian Federal Ministry of Science, Research and Economy and the Austrian Science Fund; the Belgian Fonds de la Recherche Scientifique, and Fonds voor Wetenschappelijk Onderzoek; the Brazilian Funding Agencies (CNPq, CAPES, FAPERJ, and FAPESP); the Bulgarian Ministry of Education and Science; CERN; the Chinese Academy of Sciences, Ministry of Science and Technology, and National Natural Science Foundation of China; the Colombian Funding Agency (COLCIENCIAS); the Croatian Ministry of Science, Education and Sport, and the Croatian Science Foundation; the Research Promotion Foundation, Cyprus; the Secretariat for Higher Education, Science, Technology and Innovation, Ecuador; the Ministry of Education and Research, Estonian Research Council via IUT23-4 and IUT23-6 and European Regional Development Fund, Estonia; the Academy of Finland, Finnish Ministry of Education and Culture, and Helsinki Institute of Physics; the Institut National de Physique Nucléaire et de Physique des Particules / CNRS, and Commissariat à l’Énergie Atomique et aux Énergies Alternatives / CEA, France; the Bundesministerium für Bildung und Forschung, Deutsche Forschungsgemeinschaft, and Helmholtz-Gemeinschaft Deutscher Forschungszentren, Germany; the General Secretariat for Research and Technology, Greece; the National Scientific Research Foundation, and National Innovation Office, Hungary; the Department of Atomic Energy and the Department of Science and Technology, India; the Institute for Studies in Theoretical Physics and Mathematics, Iran; the Science Foundation, Ireland; the Istituto Nazionale di Fisica Nucleare, Italy; the Ministry of Science, ICT and Future Planning, and National Research Foundation (NRF), Republic of Korea; the Lithuanian Academy of Sciences; the Ministry of Education, and University of Malaya (Malaysia); the Mexican Funding Agencies (BUAP, CINVESTAV, CONACYT, LNS, SEP, and UASLP-FAI); the Ministry of Business, Innovation and Employment, New Zealand; the Pakistan Atomic Energy Commission; the Ministry of Science and Higher Education and the National Science Centre, Poland; the Fundacão para a Ciência e a Tecnologia, Portugal; JINR, Dubna; the Ministry of Education and Science of the Russian Federation, the Federal Agency of Atomic Energy of the Russian Federation, Russian Academy of Sciences, the Russian Foundation for Basic Research and the Russian Competitiveness Program of NRNU “MEPhI”; the Ministry of Education, Science and Technological Development of Serbia; the Secretaría de Estado de Investigación, Desarrollo e Innovación, Programa Consolider-Ingenio 2010, Plan de Ciencia, Tecnología e Innovación 2013-2017 del Principado de Asturias and Fondo Europeo de Desarrollo Regional, Spain; the Swiss Funding Agencies (ETH Board, ETH Zurich, PSI, SNF, UniZH, Canton Zurich, and SER); the Ministry of Science and Technology, Taipei; the Thailand Center of Excellence in Physics, the Institute for the Promotion of Teaching Science and Technology of Thailand, Special Task Force for Activating Research and the National Science and Technology Development Agency of Thailand; the Scientific and Technical Research Council of Turkey, and Turkish Atomic Energy Authority; the National Academy of Sciences of Ukraine, and State Fund for Fundamental Researches, Ukraine; the Science and Technology Facilities Council, U.K.; the US Department of Energy, and the US National Science Foundation.

FundersFunder number
Not addedST/I505580/1, ST/K003542/1, ST/L005603/1, ST/J004871/1, ST/N001273/1, ST/I003622/1, ST/J005479/1, ST/N000242/1
Austrian Federal Ministry of Science
Canton Zurich
Desarrollo e Innovación
ETH Board
EU-ESF
FRIA-Belgium
Fundacão para a Ciência e a Tecnologia
Helsinki Institute of Physics
IWT-Belgium
Institute for Studies in Theoretical Physics and Mathematics
LNS
Mexican Funding Agencies
National Innovation Office
National Science and Technology Development Agency of Thailand
National Scientific Research Foundation
Programa Severo Ochoa del Prin-cipado de Asturias
Republic of Korea
Russian Competitiveness Program of NRNU
Secretariat for Higher Education, Science, Technology and Innovation
Secretaría de Estado de Investigación
State Fund for Fundamental Researches
UASLP-FAI
UniZH
National Science Foundation
U.S. Department of Energy
Alfred P. Sloan Foundation
Welch FoundationC-1845
Alexander von Humboldt-Stiftung
Departamento Administrativo de Ciencia, Tecnología e Innovación (COLCIENCIAS)
Qatar National Research Fund
Secretaría de Educación Pública
Türkiye Atom Enerjisi Kurumu
Horizon 2020 Framework Programme
Weston Havens Foundation
CERN
Thailand Center of Excellence in Physics
Institute for the Promotion of Teaching Science and Technology
Science and Technology Facilities CouncilST/F007434/1, ST/M004775/1
European Commission
European Research Council
Department of Science and Technology, Ministry of Science and Technology, India
Council of Scientific and Industrial Research, India
Department of Atomic Energy, Government of India
Science Foundation Ireland
Helmholtz-Gemeinschaft
Deutsche Forschungsgemeinschaft
Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung
Fundação de Amparo à Pesquisa do Estado de São Paulo
National Natural Science Foundation of China
Research Promotion Foundation
Ministerstvo Školství, Mládeže a Tělovýchovy
Fundacja na rzecz Nauki Polskiej
Russian Foundation for Basic Research
Eesti TeadusagentuurIUT23-6, IUT23-4
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
Suomen Akatemia
Bundesministerium für Bildung und Forschung
Chinese Academy of Sciences
Austrian Science Fund
Fonds De La Recherche Scientifique - FNRS
Russian Academy of Sciences
Belgian Federal Science Policy Office
Chulalongkorn University
Eidgenössische Technische Hochschule Zürich
Opetus- ja Kulttuuriministeriö
Fonds Wetenschappelijk Onderzoek
Agentschap voor Innovatie door Wetenschap en Technologie
Fonds pour la Formation à la Recherche dans l’Industrie et dans l’Agriculture
Consejo Nacional de Ciencia y Tecnología
Ministry of Education and Science of the Russian Federation
General Secretariat for Research and Technology
Ministry of Business, Innovation and Employment
Conselho Nacional de Desenvolvimento Científico e Tecnológico
Ministry of Science, ICT and Future Planning
National Research Foundation of Korea
Joint Institute for Nuclear Research
Instituto Nazionale di Fisica Nucleare
A.G. Leventis Foundation
Paul Scherrer Institut
Narodowe Centrum Nauki2014/15/B/ST2/03998, 2012/07/E/ST2/01406, 2015/19/B/ST2/02861, 2014/14/M/ST2/00428, 2014/13/B/ST2/02543
Universiti Malaya
Türkiye Bilimsel ve Teknolojik Araştirma Kurumu
Hrvatska Zaklada za Znanost
Ministarstvo Prosvete, Nauke i Tehnološkog Razvoja
Ministerstwo Nauki i Szkolnictwa Wyższego
Fundação Carlos Chagas Filho de Amparo à Pesquisa do Estado do Rio de Janeiro
Ministry of Science and Technology, Taiwan
National Academy of Sciences of Ukraine
Centre National de la Recherche Scientifique
Ministry of Education and Science
Benemérita Universidad Autónoma de Puebla
Commissariat à l'Énergie Atomique et aux Énergies Alternatives
Ministarstvo Znanosti, Obrazovanja i Sporta
Horizon 2020675440
Lietuvos Mokslų Akademija
European Regional Development Fund
Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional
Pakistan Atomic Energy Commission
Institut National de Physique Nucléaire et de Physique des Particules
Federal Agency of Atomic Energy of the Russian Federation
Sociedad Española de Reumatología
Kementerian Pendidikan Malaysia

    Keywords

    • Hadron-Hadron scattering (experiments)
    • Top physics

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