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dc.contributor.authorSirunyan, A. M.pt_BR
dc.contributor.authorSilveira, Gustavo Gil dapt_BR
dc.contributor.authorCMS Collaborationpt_BR
dc.date.accessioned2020-08-04T03:38:36Zpt_BR
dc.date.issued2020pt_BR
dc.identifier.issn1029-8479pt_BR
dc.identifier.urihttp://hdl.handle.net/10183/212575pt_BR
dc.description.abstractA search for direct top squark pair production is presented. The search is based on proton-proton collision data at a center-of-mass energy of 13 TeV recorded by the CMS experiment at the LHC during 2016, 2017, and 2018, corresponding to an integrated luminosity of 137 fb−1 . The search is carried out using events with a single isolated electron or muon, multiple jets, and large transverse momentum imbalance. The observed data are consistent with the expectations from standard model processes. Exclusions are set in the context of simplified top squark pair production models. Depending on the model, exclusion limits at 95% confidence level for top squark masses up to 1.2 TeV are set for a massless lightest supersymmetric particle, assumed to be the neutralino. For models with top squark masses of 1 TeV, neutralino masses up to 600 GeV are excluded.en
dc.format.mimetypeapplication/pdfpt_BR
dc.language.isoengpt_BR
dc.relation.ispartofThe journal of high energy physics. Trieste. No. 5 (May 2020), 32, 50 p.pt_BR
dc.rightsOpen Accessen
dc.subjectHadron-Hadron scattering (experiments)en
dc.subjectAceleradores de partículaspt_BR
dc.subjectColisões proton-protonpt_BR
dc.subjectSupersymmetryen
dc.subjectSupersimetriaspt_BR
dc.subjectTop squarken
dc.titleSearch for direct top squark pair production in events with one lepton, jets, and missing transverse momentum at 13 TeV with the CMS experimentpt_BR
dc.typeArtigo de periódicopt_BR
dc.identifier.nrb001115130pt_BR
dc.type.originEstrangeiropt_BR


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