Precise determination of the Wtb couplings at LHC

dc.creatordel Aguila, F.
dc.creatorAguilar-Saavedra, J. A.
dc.date2002-08-19
dc.date2002-11-08
dc.date.accessioned2026-07-07T12:02:55Z
dc.date.available2026-07-07T12:02:55Z
dc.descriptionTop pair production at LHC is the ideal place to search for nonstandard Wtb couplings in t -> W b -> l nu b decays. The lb forward-backward asymmetry in the W rest frame is very sensitive to sigma_{mu nu} couplings, and can spot one-loop QCD corrections to the decay vertex with more than 5 sigma statistical significance. We discuss the potential of this asymmetry to signal nonstandard gamma_mu and sigma_{mu nu} couplings and compare with top-antitop spin correlation asymmetries, which have a lower sensitivity. We also briefly summarise the results for Tevatron.
dc.descriptionLaTeX, 12 pages, 2 PS figures. One reference added. To be published in PRD
dc.identifierhttps://arxiv.org/abs/hep-ph/0208171
dc.identifierhttp://arxiv.org/abs/hep-ph/0208171
dc.identifierPhys.Rev.D67:014009,2003
dc.identifierdoi:10.1103/PhysRevD.67.014009
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/207606
dc.subjectHigh Energy Physics - Phenomenology
dc.subjectHigh Energy Physics - Experiment
dc.titlePrecise determination of the Wtb couplings at LHC
dc.typetext

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