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| Título: | Measurement of the pp̅ →tt̅ production cross section and the top quark mass at √s=1.96 TeV in the all-hadronic decay mode |
Autor: | Aaltonen, T.; Casal, Bruno CSIC; Cuevas, Javier CSIC ORCID; Gómez, Gervasio CSIC ORCID ; Menzemer, Stephanie; Palencia, Enrique CSIC ORCID; Rodrigo, Teresa CSIC ORCID ; Ruiz Jimeno, Alberto CSIC ORCID ; Scodellaro, Luca CSIC ORCID ; Vila, Iván CSIC ORCID; Vilar Cortabitarte, R. CSIC ORCID; Cabrera, Susana CSIC ORCID; Cuenca Almenar, Cristóbal CSIC | Palabras clave: | [PACS] Top quarks [PACS] Hadron-induced inclusive production with identified hadrons (energy > 10 GeV) [PACS] Hadron-induced inclusive production with identified leptons, photons, or other nonhadronic particles (energy > 10 GeV) Plus Jets Events p(p)over-bar Collisions Electromagnetic calorimeters Parton distributions Pair production Fermilab Detector High Energy Physics |
Fecha de publicación: | 22-oct-2007 | Editor: | American Physical Society | Citación: | Physical Review D 76: 072009 (2007) | Resumen: | We report the measurements of the t(t)over-bar production cross section and of the top quark mass using 1.02 fb^(-1) of p(p)over-bar data collected with the CDF II detector at the Fermilab Tevatron. We select events with six or more jets on which a number of kinematical requirements are imposed by means of a neural network algorithm. At least one of these jets must be identified as initiated by a b-quark candidate by the reconstruction of a secondary vertex. The cross section is measured to be sigma(t(t)over-bar) = 8.3 ± 1.0(stat.)+2.0-1.5(syst.)± 0.5(lumi) pb, which is consistent with the standard model prediction. The top quark mass of 174.0 ± 2.2(stat) ± 4.8(syst) GeV/c^(2) is derived from a likelihood fit incorporating reconstructed mass distributions representative of signal and background. | Descripción: | 19 pages, 22 figures.-- PACS nrs.: 14.65.Ha, 13.85.Ni, 13.85.Qk.-- CDF Collaboration: et al. | Versión del editor: | http://dx.doi.org/10.1103/PhysRevD.76.072009 | URI: | http://hdl.handle.net/10261/8533 | DOI: | 10.1103/PhysRevD.76.072009 | ISSN: | 0556-2821 | E-ISSN: | 1089-4918 |
| Aparece en las colecciones: | (IFIC) Artículos (IFCA) Artículos |
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| Fichero | Descripción | Tamaño | Formato | |
|---|---|---|---|---|
| e072009.pdf | 907,26 kB | Adobe PDF |  Visualizar/Abrir |
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