Measurement of the production cross section for single top quarks in association with W bosons in proton-proton collisions at root s=13 TeV
Austrian Federal Ministry of Science, Research and Economy ; Austrian Science Fund ; Belgian Fonds de la Recherche Scientifique ; Fonds voor Wetenschappelijk Onderzoek ; Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES) ; Fundação de Amparo à Pesquisa do Estado do Rio de Janeiro (FAPERJ) ; Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) ; Bulgarian Ministry of Education and Science ; Chinese Academy of Sciences ; National Natural Science Foundation of China ; Colombian Funding Agency (COLCIENCIAS) ; Croatian Ministry of Science, Education and Sport ; Croatian Science Foundation ; Research Promotion Foundation, Cyprus ; Secretariat for Higher Education, Science, Technology and Innovation, Ecuador ; Ministry of Education and Research ; Estonian Research Council ; European Regional Development Fund, Estonia ; Academy of Finland ; Helsinki Institute of Physics ; Commissariat a l'Energie Atomique et aux Energies Alternatives/CEA, France ; Bundesministerium fur Bildung und Forschung, Germany ; Helmholtz-Gemeinschaft Deutscher Forschungszentren, Germany ; National Scientific Research Foundation, Hungary ; National Innovation Office, Hungary ; Department of Atomic Energy, India ; Science Foundation, Ireland ; Istituto Nazionale di Fisica Nucleare, Italy ; National Research Foundation (NRF), Republic of Korea ; Mexican Funding Agency (CONACYT) ; Mexican Funding Agency (UASLP-FAI) ; Pakistan Atomic Energy Commission ; National Science Centre, Poland ; JINR, Dubna ; Federal Agency of Atomic Energy of the Russian Federation ; Russian Competitiveness Program of NRNU MEPhI ; Ministry of Education, Science and Technological Development of Serbia ; Fondo Europeo de Desarrollo Regional, Spain ; Swiss Funding Agency (SNF) ; Turkish Atomic Energy Authority ; State Fund for Fundamental Researches, Ukraine ; US Department of Energy ; US National Science Foundation ; Marie-Curie programme ; European Research Council ; Horizon 2020 Grant ; Leventis Foundation ; A. P. Sloan Foundation ; Alexander von Humboldt Foundation ; Belgian Federal Science Policy Office ; Fonds pour la Formation a la Recherche dans l'Industrie et dans l'Agriculture (FRIA-Belgium) ; Agentschap voor Innovatie door Wetenschap en Technologie (IWT-Belgium) ; Ministry of Education, Youth and Sports (MEYS) of the Czech Republic ; Council of Scientific and Industrial Research, India ; HOMING PLUS programme of the Foundation for Polish Science ; European Union, Regional Development Fund ; National Priorities Research Program by Qatar National Research Fund ; Programa Severo Ochoa del Principado de Asturias ; Thalis programme - EU-ESF ; Aristeia programme - EU-ESF ; Greek NSRF ; Rachadapisek Sompot Fund for Postdoctoral Fellowship, Chulalongkorn University ; Welch Foundation ; Weston Havens Foundation (U.S.A.) ; Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) ; CERN ; Ministry of Science and Technology ; Finnish Ministry of Education and Culture ; Deutsche Forschungsgemeinschaft, Germany ; Department of Science and Technology, India ; Ministry of Science, ICT and Future Planning, Republic of Korea ; Lithuanian Academy of Sciences ; Ministry of Education (Malaysia) ; University of Malaya (Malaysia) ; Mexican Funding Agency (BUAP) ; Mexican Funding Agency (CINVESTAV) ; Mexican Funding Agency (LNS) ; Mexican Funding Agency (SEP) ; Ministry of Business, Innovation and Employment, New Zealand ; Ministry of Science and Higher Education, Poland ; Fundacao para a Ciencia e a Tecnologia, Portugal ; Russian Academy of Sciences ; Russian Foundation for Basic Research ; Secretaria de Estado de Investigacion, Desarrollo e Innovacion, Programa Consolider-Ingenio 2010, Plan de Ciencia, Tecnologia e Innovacion 2013-2017 del Principado de Asturias ; Swiss Funding Agency (ETH Board) ; Swiss Funding Agency (ETH Zurich) ; Swiss Funding Agency (PSI) ; Swiss Funding Agency (UniZH) ; Swiss Funding Agency (Canton Zurich) ; Swiss Funding Agency (SER) ; Institut National de Physique Nucleaire et de Physique des Particules/CNRS ; General Secretariat for Research and Technology, Greece ; Ministry of Education and Science of the Russian Federation ; Ministry of Science and Technology, Taipei ; Thailand Center of Excellence in Physics ; Special Task Force for Activating Research ; National Science and Technology Development Agency of Thailand ; Scientific and Technical Research Council of Turkey ; National Academy of Sciences of Ukraine ; Science and Technology Facilities Council, U.K. ; Mobility Plus programme of the Ministry of Science and Higher Education ; National Science Center (Poland) ; Chulalongkorn Academic into Its 2nd Century Project Advancement Project (Thailand) ; Estonian Research Council: IUT23-4 ; Estonian Research Council: IUT23-6 ; Horizon 2020 Grant: 675440 ; Welch Foundation: C-1845 ; National Science Center (Poland): 2014/14/M/ST2/00428 ; National Science Center (Poland): Opus 2014/13/B/ST2/02543 ; National Science Center (Poland): 2014/15/B/ST2/03998 ; National Science Center (Poland): 2015/19/B/ST2/02861 ; National Science Center (Poland): Sonata-bis 2012/07/E/ST2/01406 ; A measurement is presented of the associated production of a single top quark and a W boson in proton -proton collisions at root 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 tt 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.