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Search for top-quark partners with charge 5/3 in the same-sign dilepton final state

2014-04-30Artigo científico Acesso aberto
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dc.contributor.authorCMS collaboration (2202 authors)
dc.contributor.authorHollar, Jonathan
dc.contributor.authorNayak, Aruna
dc.contributor.authorCalpas, Betty
dc.contributor.authorBargassa, Pedrame
dc.contributor.authorBeirão Da Cruz E Silva, Cristóvão
dc.contributor.authorFaccioli, Pietro
dc.contributor.authorFerreira Parracho, Pedro Guilherme
dc.contributor.authorGallinaro, Michele
dc.contributor.authorNguyen, Federico
dc.contributor.authorRodrigues Antunes, Joao
dc.contributor.authorSeixas, Joao
dc.contributor.authorVarela, Joao
dc.contributor.authorVischia, Pietro
dc.contributor.authorLloret Iglesias, Lara
dc.contributor.authorDavid Tinoco Mendes, Andre
dc.contributor.authorMusella, Pasquale
dc.contributor.authorSilva, Pedro
dc.contributor.authorPela, Joao
dc.contributor.authorLeonardo, Nuno
dc.date.accessioned2019-02-03T23:52:38Z
dc.date.available2019-02-03T23:52:38Z
dc.date.issued2014-04-30
dc.date.updated2019-02-03T23:52:38Z
dc.description.abstractA search for the production of heavy partners of the top quark with charge 5/3 is performed in events with a pair of same-sign leptons. The data sample corresponds to an integrated luminosity of 19.5 inverse femtobarns and was collected at sqrt(s) = 8 TeV by the CMS experiment. No significant excess is observed in the data above the expected background and the existence of top-quark partners with masses below 800 GeV is excluded at a 95% confidence level, assuming they decay exclusively to tW. This is the first limit on these particles from the LHC, and it is significantly more restrictive than previous limits.
dc.description.versionPeer Reviewed
dc.identifierPhys.Rev.Lett. 112 (2014) 171801 Phys. Rev. Lett. 112 (2014) 171801; DOI 10.1103/PhysRevLett.112.171801
dc.identifier.urihttp://dx.doi.org/10.1103/PhysRevLett.112.171801
dc.identifier.urihttp://hdl.handle.net/10400.26/26513
dc.language.isoeng
dc.titleSearch for top-quark partners with charge 5/3 in the same-sign dilepton final state
dc.typejournal article
dspace.entity.typePublication
rcaap.rightsopenAccesspt
rcaap.typearticle

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LIP - AP - Física de Partículas e Astropartículas