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Título: | Top quark mass measurement using the template method at CDF |
Autor: | Aaltonen, T.; Álvarez González, B.; Casal, Bruno CSIC; Cuevas, Javier CSIC ORCID; Gómez, Gervasio CSIC ORCID ; 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 | Fecha de publicación: | jun-2011 | Editor: | American Physical Society | Citación: | Physical Review D 83(11): 111101(R) (2011) | Resumen: | We present a measurement of the top quark mass in the lepton+jets and dilepton channels of tt̅ decays using the data sample corresponding to an integrated luminosity of 5.6 fb-1 of pp̅ collisions at Tevatron with √s=1.96 TeV, collected with the CDF II detector. We construct templates of two reconstructed top quark masses from different jets-to-quarks combinations and the invariant mass of two jets from the W decays in the lepton+jets channel, and a reconstructed top quark mass and mT2, a variable related to the transverse mass in events with two missing particles, in the dilepton channel. The simultaneous fit of the templates from signal and background events in the lepton+jets and dilepton channels to the data yields a measured top quark mass of Mtop=172.1±1.1(stat)±0.9(syst) GeV/c2. | Descripción: | 9 páginas, 2 figuras, 3 tablas.-- PACS numbers: 14.65.Ha, 12.15.Ff, 13.85.Ni, 13.85.Qk.-- CDF Collaboration: et al. | Versión del editor: | http://dx.doi.org/10.1103/PhysRevD.83.111101 | URI: | http://hdl.handle.net/10261/46868 | DOI: | 10.1103/PhysRevD.83.111101 | ISSN: | 1550-7998 | E-ISSN: | 1550-2368 |
Aparece en las colecciones: | (IFCA) Artículos |
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