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Título: | Search for a light charged Higgs boson in top quark decays in pp collisions at √s=7 TeV |
Autor: | Brochero Cifuentes, J. A. CSIC ORCID; Cabrillo, I. J. CSIC ORCID ; Calderon, Alicia ; Chuang, S. H. CSIC; Duarte Campderros, J. CSIC ORCID ; Felcini, Marta CSIC ORCID; Fernández-García, Marcos CSIC ORCID ; Gómez, Gervasio CSIC ORCID ; González Sánchez, J. CSIC ; Graziano, A. CSIC; Jorda, C. CSIC; López Virto, A. CSIC ORCID ; Marco, Jesús CSIC ORCID ; Marco, Jesús CSIC ORCID ; Martínez-Rivero, Celso CSIC ORCID ; Matorras, Francisco CSIC ORCID ; Muñoz Sánchez, F. J. CSIC ORCID; Rodrigo, Teresa CSIC ORCID ; Rodríguez Marrero, Ana Y. CSIC; Ruiz Jimeno, Alberto CSIC ORCID ; Scodellaro, Luca CSIC ORCID ; Sobron Sañudo, M. CSIC; Vila, Iván CSIC ORCID; Vilar Cortabitarte, R. CSIC ORCID; CMS Collaboration | Fecha de publicación: | 2012 | Editor: | Springer Nature | Citación: | Journal of High Energy Physics: 143 (2012) | Resumen: | Results are presented on a search for a light charged Higgs boson that can be produced in the decay of the top quark to charged H and b quark and which, in turn, decays into tau and tau neutrino. The analysed data correspond to an integrated luminosity of about 2 inverse femtobarns recorded in proton-proton collisions at √s=7 TeV by the CMS experiment at the LHC. The search is sensitive to the decays of the top quark pairs t anti-t to charged Higgs W b anti-b and t anti-t to charged Higgs b anti-b. Various final states have been studied separately, all requiring presence of a tau lepton from charged Higgs decays, missing transverse energy, and multiple jets. Upper limits on the branching fraction B(t to charged Higgs b) in the range of 2-3% are established for charged Higgs boson masses between 80 and 160 GeV, under the assumption that B(charged Higgs to tau anti-tau) = 1. | Descripción: | Open Access. This article is distributed under the terms of the Creative Commons Attribution License.-- Chatrchyan, S. et al. | Versión del editor: | http://dx.doi.org/10.1007/JHEP07(2012)143 | URI: | http://hdl.handle.net/10261/53160 | DOI: | 10.1007/JHEP07(2012)143 | E-ISSN: | 1029-8479 |
Aparece en las colecciones: | (IFCA) Artículos |
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Search for a light charged.pdf | 973,77 kB | Adobe PDF | Visualizar/Abrir |
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