Measurement of spin correlations in tt production using the matrix element method in the muon+jets final state in pp collisions at √s=8 TeV
Copyright policy )Measurement of spin correlations in tt production using the matrix element method in the muon+jets final state in pp collisions at √s=8 TeV
The consistency of the spin correlation strength in top quark pair production with the standard model (SM) prediction is tested in the muon+jets final state. The events are selected from pp collisions, collected by the CMS detector, at a centre-of-mass energy of 8 TeV, corresponding to an integrated luminosity of 19.7 fb(-1). The data are compared with the expectation for the spin correlation predicted by the SM and with the expectation of no correlation. Using a template fit method, the fraction of events that show SM spin correlations is measured to be 0.72 0.08 (stat)(-013)(+015) (syst), representing the most precise measurement of this quantity in the muon+jets final state to date. (C) 2016 The Author. Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons.orglicenses/by/4.01).
Fonds pour la Formation a la Recherche dans l'Industrie et dans l'Agriculture (FRIA-Belgium)
Rachadapisek Sompot Fund for Postdoctoral Fellowship, Chulalongkorn University (Thailand)
Agentschap voor Innovatie door Wetenschap en Technologie (IWT-Belgium)
Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
Ministry of Education, Youth and Sports (MEYS) of the Czech Republic
National Priorities Research Program by Qatar National Research Fund
Science and Technology Facilities Council: ST/K003224/1 CMS Upgrades
Science and Technology Facilities Council: ST/K001639/1 CMS Upgrades
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
- University of Perugia Italy
- Ghent University Belgium
- University of Milano-Bicocca Italy
- University of Padua Italy
- Sapienza University of Rome Italy
CMS; LHC; Matrix element method; Spin; Top quark;, T(T)OVER-BAR PRODUCTION, Particles & Fields, Astronomy & Astrophysics, MASS, 530, CMS; LHC; Matrix element method; Spin; Top quark; Nuclear and High Energy Physics, Physics, Particles & Fields, EVENTS, 0202 Atomic, Molecular, Nuclear, Particle And Plasma Physics, Spin, Nuclear, RECONSTRUCTION, info:eu-repo/classification/ddc/530, CMS; LHC; Matrix element method; Spin; Top quark; Nuclear and High Energy Physics;, Science & Technology, CMS, FISICA DELLE PARTICELLE, Physics, ddc:530, Molecular, Matrix element method, 001, CMS; LHC; Top quark; Matrix element method; Spin; T(T)OVER-BAR PRODUCTION; LIKELIHOOD METHOD; MISSING MOMENTUM; EVENTS; DECAY; RECONSTRUCTION; TAUOLA; MASS, Top quark, Nuclear & Particles Physics, TAUOLA, MISSING MOMENTUM, Physics, Nuclear, Physics and Astronomy, CMS; LHC; Matrix element method; Spin; Top quark, LIKELIHOOD METHOD, 0202 Atomic, Particle And Plasma Physics, Physical Sciences, LHC, DECAY
CMS; LHC; Matrix element method; Spin; Top quark;, T(T)OVER-BAR PRODUCTION, Particles & Fields, Astronomy & Astrophysics, MASS, 530, CMS; LHC; Matrix element method; Spin; Top quark; Nuclear and High Energy Physics, Physics, Particles & Fields, EVENTS, 0202 Atomic, Molecular, Nuclear, Particle And Plasma Physics, Spin, Nuclear, RECONSTRUCTION, info:eu-repo/classification/ddc/530, CMS; LHC; Matrix element method; Spin; Top quark; Nuclear and High Energy Physics;, Science & Technology, CMS, FISICA DELLE PARTICELLE, Physics, ddc:530, Molecular, Matrix element method, 001, CMS; LHC; Top quark; Matrix element method; Spin; T(T)OVER-BAR PRODUCTION; LIKELIHOOD METHOD; MISSING MOMENTUM; EVENTS; DECAY; RECONSTRUCTION; TAUOLA; MASS, Top quark, Nuclear & Particles Physics, TAUOLA, MISSING MOMENTUM, Physics, Nuclear, Physics and Astronomy, CMS; LHC; Matrix element method; Spin; Top quark, LIKELIHOOD METHOD, 0202 Atomic, Particle And Plasma Physics, Physical Sciences, LHC, DECAY
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