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Model-independent measurement of the top quark polarisation

dc.contributor.authorAguilar Saavedra, Juan Antonio 
dc.contributor.authorHerrero-Hahn, Raquel
dc.date.accessioned2014-02-17T13:05:59Z
dc.date.available2014-02-17T13:05:59Z
dc.date.issued2013
dc.identifier.citationAguilar-Saavedra, J.A.; Herrero-Hahn, R.V. Model-independent measurement of the top quark polarisation. Physics Letters B, 718(3): 983-987 (2013). [http://hdl.handle.net/10481/30475]es_ES
dc.identifier.issn0370-2693
dc.identifier.otherdoi: 10.1016/j.physletb.2012.11.031
dc.identifier.otherarXiv:1208.6006v2
dc.identifier.urihttp://hdl.handle.net/10481/30475
dc.description.abstractWe introduce a new asymmetry in the decay t -> W b -> l nu b, which is shown to be directly proportional to the polarisation of the top quark along a chosen axis, times a sum of W helicity fractions. The latter have already been precisely measured at the Tevatron and the Large Hadron Collider. Therefore, this new asymmetry can be used to obtain a model-independent measurement of the polarisation of top quarks produced in any process at hadron or lepton colliders.es_ES
dc.description.sponsorshipThis work has been supported by MICINN by projects FPA2006-05294 and FPA2010-17915, Junta de Andalucía (FQM 101, FQM 03048 and FQM 6552) and Fundação para a Ciência e Tecnologia (FCT) project CERN/FP/123619/2011.es_ES
dc.language.isoenges_ES
dc.publisherElsevieres_ES
dc.rightsCreative Commons Attribution-NonCommercial-NoDerivs 3.0 Licensees_ES
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/es_ES
dc.subjectTop quarkes_ES
dc.subjectPolarisationes_ES
dc.titleModel-independent measurement of the top quark polarisationes_ES
dc.typeinfo:eu-repo/semantics/preprintes_ES
dc.rights.accessRightsinfo:eu-repo/semantics/openAccesses_ES


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