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Top Quark Physics with CMS

<!--HTML-->The top quark is the heaviest known elementary particle, and could play a special role in the Standard Model. Its coupling to the Higgs boson is large, and it could also play a role in electroweak symmetry breaking and the generation of particle masses in alternatives to the Higgs m...

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Detalles Bibliográficos
Autor principal: Schilling, Frank-Peter
Lenguaje:eng
Publicado: 2011
Materias:
Acceso en línea:http://cds.cern.ch/record/1358263
Descripción
Sumario:<!--HTML-->The top quark is the heaviest known elementary particle, and could play a special role in the Standard Model. Its coupling to the Higgs boson is large, and it could also play a role in electroweak symmetry breaking and the generation of particle masses in alternatives to the Higgs mechanism. There are various hints at deviations from the Standard Model expectation which have been observed recently by Tevatron experiments in top final states. Several signatures of new physics accessible at the LHC either suffer from top-quark production as a significant background or contain top quarks themselves. In this talk, we present results on top quark physics obtained from the first LHC data collected by the CMS experiment.They include measurements of the top pair production cross section in various channels and their combination, measurements of the top quark mass, the single top cross section, a search for new particles decaying into top pairs, and a first look at the charge asymmetry.