941 resultados para DELITO INVISIBLE
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A search is presented for physics beyond the standard model (BSM) in final states with a pair of opposite-sign isolated leptons accompanied by jets and missing transverse energy. The search uses LHC data recorded at a center-of-mass energy s=7 TeV with the CMS detector, corresponding to an integrated luminosity of approximately 5 fb-1. Two complementary search strategies are employed. The first probes models with a specific dilepton production mechanism that leads to a characteristic kinematic edge in the dilepton mass distribution. The second strategy probes models of dilepton production with heavy, colored objects that decay to final states including invisible particles, leading to very large hadronic activity and missing transverse energy. No evidence for an event yield in excess of the standard model expectations is found. Upper limits on the BSM contributions to the signal regions are deduced from the results, which are used to exclude a region of the parameter space of the constrained minimal supersymmetric extension of the standard model. Additional information related to detector efficiencies and response is provided to allow testing specific models of BSM physics not considered in this Letter. © 2012 CERN.
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Incluye Bibliografía
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Includes bibliography
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Pós-graduação em Artes - IA
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Pós-graduação em Artes - IA
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Incluye Bibliografía
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Pós-graduação em Ciência e Tecnologia de Materiais - FC
A atuação de agentes públicos junto a meninas vítimas de abuso e exploração sexual em Ribeirão Preto
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Pós-graduação em Ciências Sociais - FCLAR
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Pós-graduação em Ciências Sociais - FFC
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Pós-graduação em Direito - FCHS
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)