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| Título: | Tevatron combination of single-top-quark cross sections and determination of the magnitude of the Cabibbo-Kobayashi-Maskawa matrix element Vtb |
Autor: | Aaltonen, T.; Casal, Bruno CSIC; Cuevas, Javier CSIC ORCID; Gómez, Gervasio CSIC ORCID ; Palencia, Enrique CSIC ORCID; Ruiz Jimeno, Alberto CSIC ORCID ; Scodellaro, Luca CSIC ORCID ; Vilar Cortabitarte, R. CSIC ORCID; Vizán, J. CSIC ORCID; CDF and D0 Collaborations | Fecha de publicación: | 2015 | Editor: | American Physical Society | Citación: | Physical Review Letters 115(15): 152003 (2015) | Resumen: | We present the final combination of CDF and D0 measurements of cross sections for single-top-quark production in proton-antiproton collisions at a center-of-mass energy of 1.96 TeV. The data correspond to total integrated luminosities of up to 9.7 fb−1 per experiment. The t-channel cross section is measured to be σt=2.25+0.29−0.31 pb. We also present the combinations of the two-dimensional measurements of the s- vs t-channel cross section. In addition, we give the combination of the s+t channel cross section measurement resulting in σs+t=3.30+0.52−0.40 pb, without assuming the standard model value for the ratio σs/σt. The resulting value of the magnitude of the top-to-bottom quark coupling is |Vtb|=1.02+0.06−0.05, corresponding to |Vtb|>0.92 at the 95% C.L. | Descripción: | et al. | Versión del editor: | https://doi.org/10.1103/PhysRevLett.115.152003 | URI: | http://hdl.handle.net/10261/140320 | DOI: | 10.1103/PhysRevLett.115.152003 | Identificadores: | doi: 10.1103/PhysRevLett.115.152003 e-issn: 1079-7114 issn: 0031-9007 |
| Aparece en las colecciones: | (IFCA) Artículos |
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| Fichero | Descripción | Tamaño | Formato | |
|---|---|---|---|---|
| Maskawa Matrix.pdf | 592,41 kB | Adobe PDF |  Visualizar/Abrir |
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