ATLAS ttbar resonance searches

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The ATLAS experiment has performed a search for new states decaying to top quark pairs using a data set of 14/fb of proton-proton collisions collected during the 2012 run at sqrt(s) = 8 TeV of the Large Hadron Collider (LHC). The combination of a classical, resolved analysis with a novel algorithm d...

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Detalles Bibliográficos
Autor principal: Sanchez-Martinez, V
Lenguaje:eng
Publicado: 2014
Materias:
Particle Physics - Experiment
Acceso en línea:https://dx.doi.org/10.1016/j.nuclphysbps.2015.10.073
http://cds.cern.ch/record/1955207
Descripción
Sumario:The ATLAS experiment has performed a search for new states decaying to top quark pairs using a data set of 14/fb of proton-proton collisions collected during the 2012 run at sqrt(s) = 8 TeV of the Large Hadron Collider (LHC). The combination of a classical, resolved analysis with a novel algorithm designed specifically for boosted top quarks yields good acceptance for a broad range of resonance masses. No deviations from the Standard Model expectations are observed and stringent limits are set on the production cross-section times branching ratio of several resonance models.

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