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| Título: | Search for the supersymmetric partner of the top quark in pp̅ collisions at √s=1.96 TeV |
Autor: | Aaltonen, T.; Cabrera, Susana CSIC ORCID; Cuenca Almenar, Cristóbal CSIC; Álvarez González, B.; Casal, Bruno CSIC; Cuevas, Javier CSIC ORCID; Gómez, Gervasio CSIC ORCID ; Rodrigo, Teresa CSIC ORCID ; Ruiz Jimeno, Alberto CSIC ORCID ; Scodellaro, Luca CSIC ORCID ; Vila, Iván CSIC ORCID; Vilar Cortabitarte, R. CSIC ORCID | Fecha de publicación: | 2-nov-2010 | Editor: | American Physical Society | Citación: | Physical Review D 82(9): 092001 (2010) | Resumen: | We present a search for the lightest supersymmetric partner of the top quark in proton-antiproton collisions at a center-of-mass energy root s = 1: 96 TeV. This search was conducted within the framework of the R parity conserving minimal supersymmetric extension of the standard model, assuming the stop decays dominantly to a lepton, a sneutrino, and a bottom quark. We searched for events with two oppositely-charged leptons, at least one jet, and missing transverse energy in a data sample corresponding to an integrated luminosity of 1 fb(-1) collected by the Collider Detector at Fermilab experiment. No significant evidence of a stop quark signal was found. Exclusion limits at 95% confidence level in the stop quark versus sneutrino mass plane are set. Stop quark masses up to 180 GeV/c(2) are excluded for sneutrino masses around 45 GeV/c(2), and sneutrino masses up to 116 GeV/c(2) are excluded for stop quark masses around 150 GeV/c(2). | Descripción: | 16 páginas, 11 figuras, 7 tablas.-- PACS numbers: 14.80.Ly, 13.85.Rm, 12.60.Jv.-- CDF Collaboration: et al. | Versión del editor: | http://dx.doi.org/10.1103/PhysRevD.82.092001 | URI: | http://hdl.handle.net/10261/32940 | DOI: | 10.1103/PhysRevD.82.092001 | ISSN: | 1550-7998 |
| Aparece en las colecciones: | (IFIC) Artículos (IFCA) Artículos |
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| Fichero | Descripción | Tamaño | Formato | |
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| e092001.pdf | 968,31 kB | Adobe PDF |  Visualizar/Abrir |
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