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Search for single production of a heavy vector-like T quark decaying to a Higgs boson and a top quark with a lepton and jets in the final state

2017-08-10Journal article Open access
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dc.contributor.authorCMS collaboration (2286 authors)
dc.contributor.authorCalpas, Betty
dc.contributor.authorNayak, Aruna
dc.contributor.authorBargassa, Pedrame
dc.contributor.authorBeirão Da Cruz E Silva, Cristóvão
dc.contributor.authorDi Francesco, Agostino
dc.contributor.authorFaccioli, Pietro
dc.contributor.authorFerreira Parracho, Pedro Guilherme
dc.contributor.authorGallinaro, Michele
dc.contributor.authorHollar, Jonathan
dc.contributor.authorLeonardo, Nuno
dc.contributor.authorLloret Iglesias, Lara
dc.contributor.authorRodrigues Antunes, Joao
dc.contributor.authorSeixas, Joao
dc.contributor.authorToldaiev, Oleksii
dc.contributor.authorVadruccio, Daniele
dc.contributor.authorVarela, Joao
dc.contributor.authorVischia, Pietro
dc.contributor.authorDavid Tinoco Mendes, Andre
dc.contributor.authorSilva, Pedro
dc.contributor.authorMusella, Pasquale
dc.contributor.authorPela, Joao
dc.date.accessioned2019-02-04T11:51:56Z
dc.date.available2019-02-04T11:51:56Z
dc.date.issued2017-08-10
dc.date.updated2019-02-04T11:51:56Z
dc.description.abstractA search for single production of vector-like top quark partners (T) decaying into a Higgs boson and a top quark is performed using data from pp collisions at a centre-of-mass energy of 13 TeV collected by the CMS experiment at the CERN LHC, corresponding to an integrated luminosity of 2.3 fb −1 . The top quark decay includes an electron or a muon while the Higgs boson decays into a pair of b quarks. No significant excess over standard model backgrounds is observed. Exclusion limits on the product of the production cross section and the branching fraction are derived in the T quark mass range 700 to 1800 GeV. For a mass of 1000 GeV, values of the product of the production cross section and the branching fraction greater than 0.8 and 0.7 pb are excluded at 95% confidence level, assuming left- and right-handed coupling of the T quark to standard model particles, respectively. This is the first analysis setting exclusion limits on the cross section of singly produced vector-like T quarks at a centre-of-mass energy of 13 TeV.
dc.description.versionPeer Reviewed
dc.identifierPhys.Lett. B771 (2017) 80-105; DOI 10.1016/j.physletb.2017.05.019
dc.identifier.urihttp://dx.doi.org/10.1016/j.physletb.2017.05.019
dc.identifier.urihttp://hdl.handle.net/10400.26/27246
dc.language.isoeng
dc.titleSearch for single production of a heavy vector-like T quark decaying to a Higgs boson and a top quark with a lepton and jets in the final state
dc.typejournal article
dspace.entity.typePublication
rcaap.rightsopenAccesspt
rcaap.typearticle

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