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Title

Measurements of the top-quark mass using charged particle tracking

AuthorsAaltonen, T.; Cabrera, Susana CSIC ORCID; Cuenca Almenar, Cristóbal CSIC; Álvarez González, B.; Casal, Bruno CSIC; Cuevas, Javier CSIC ORCID; Gómez, G. CSIC ORCID ; Rodrigo, Teresa CSIC ORCID ; Ruiz Jimeno, Alberto ; Scodellaro, Luca CSIC ORCID ; Vila, Iván CSIC ORCID; Vilar, Rocío CSIC ORCID
Issue Date1-Feb-2010
PublisherAmerican Physical Society
CitationPhysical Review D 81(3): 032002 (2010)
AbstractWe present three measurements of the top-quark mass in the lepton plus jets channel with approximately 1.9 fb(-1) of integrated luminosity collected with the CDF II detector using quantities with minimal dependence on the jet energy scale. One measurement exploits the transverse decay length of b-tagged jets to determine a top-quark mass of 166.9(-8.5)(+9.5)(stat) +/- 2.9(syst) GeV/c(2), and another the transverse momentum of electrons and muons from W-boson decays to determine a top-quark mass of 173.5(-8.9)(+8.8)(stat) +/- 3.8(syst) GeV/c(2). These quantities are combined in a third, simultaneous mass measurement to determine a top-quark mass of 170.7 +/- 6.3(stat) +/- 2.6(syst) GeV/c(2) .
Description21 páginas, 13 figuras, 6 tablas.-- PACS numbers: 12.15.-y, 13.85.-t, 14.60.-z, 14.65.Fy.-- CDF Collaboration: et al.
Publisher version (URL)http://dx.doi.org/10.1103/PhysRevD.81.032002
URIhttp://hdl.handle.net/10261/24275
DOI10.1103/PhysRevD.81.032002
ISSN1550-7998
Appears in Collections:(IFIC) Artículos
(IFCA) Artículos




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