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| Título: | Measurement of the W+W- Production Cross Section and Search for Anomalous WW gamma and WWZ Couplings in p(p)over-bar Collisions at root 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: | 21-may-2010 | Editor: | American Physical Society | Citación: | Physical Review Letters 104(20): 201801 (2010) | Resumen: | This Letter describes the current most precise measurement of the W boson pair production cross section and most sensitive test of anomalous WW gamma and WWZ couplings in p (p) over bar collisions at a center-of-mass energy of 1.96 TeV. The WW candidates are reconstructed from decays containing two charged leptons and two neutrinos. Using data collected by the CDF II detector from 3: 6 fb(-1) of integrated luminosity, a total of 654 candidate events are observed with an expected background of 320 +/- 47 events. The measured cross section is sigma(p (p) over bar -> W+W- +X) = 12.1 +/- 0.9(stat)(-1.4)(+1.6)(syst) pb, which is in good agreement with the standard model prediction. The same data sample is used to place constraints on anomalous WW gamma and WWZ couplings. | Descripción: | 8 páginas, 2 figuras, 2 tablas.-- PACS numbers: 14.70.Fm, 13.38.Be, 13.85.Qk.-- CDF Collaboration: et al. | Versión del editor: | http://dx.doi.org/10.1103/PhysRevLett.104.201801 | URI: | http://hdl.handle.net/10261/28095 | DOI: | 10.1103/PhysRevLett.104.201801 | ISSN: | 0031-9007 |
| Aparece en las colecciones: | (IFIC) Artículos (IFCA) Artículos |
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|---|---|---|---|---|
| e201801.pdf | 221,18 kB | Adobe PDF |  Visualizar/Abrir |
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