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| Título: | Improved Search for a Higgs Boson Produced in Association with Z→l+l- in pp̅ Collisions at √s=1.96 TeV |
Autor: | Aaltonen, T.; Álvarez González, B.; Casal, Bruno CSIC; Cuevas, Javier CSIC ORCID; Gómez-Ceballos, Guillelmo; Fernández, Juan Pablo; Cabrera, Susana 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; CDF and D0 Collaborations | Fecha de publicación: | 13-dic-2010 | Editor: | American Physical Society | Citación: | Physical Review Letters 105(25): 251802 (2010) | Resumen: | We search for the standard model Higgs boson produced with a Z boson in 4: 1 fb(-1) of integrated luminosity collected with the CDF II detector at the Tevatron. In events consistent with the decay of the Higgs boson to a bottom-quark pair and the Z boson to electrons or muons, we set 95% credibility level upper limits on the ZH production cross section multiplied by the H -> b (b) over bar branching ratio. Improved analysis methods enhance signal sensitivity by 20% relative to previous searches. At a Higgs boson mass of 115 GeV/c(2) we set a limit of 5.9 times the standard model cross section. | Descripción: | 7 páginas, 3 figuras, 2 tablas.-- CDF Collaboration: et al. | Versión del editor: | http://dx.doi.org/10.1103/PhysRevLett.105.251802 | URI: | http://hdl.handle.net/10261/40312 | DOI: | 10.1103/PhysRevLett.105.251802 | ISSN: | 0031-9007 |
| Aparece en las colecciones: | (IFIC) Artículos (IFCA) Artículos |
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| e251802.pdf | 231,69 kB | Adobe PDF |  Visualizar/Abrir |
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