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Full-Text Articles in Physical Sciences and Mathematics
Search For Top Squarks In The Four-Body Decay Mode With Single Lepton Final States In Proton-Proton Collisions At √S = 13 Tev, A. Tumasyan
Department of Physics and Astronomy: Faculty Publications
A search for the pair production of the lightest supersymmetric partner of the top quark, the top squark ([]1), is presented. The search targets the four-body decay of the []1, which is preferred when the mass difference between the top squark and the lightest supersymmetric particle is smaller than the mass of the W boson. This decay mode consists of a bottom quark, two other fermions, and the lightest neutralino ( []01 ), which is assumed to be the lightest supersymmetric particle. The data correspond to an integrated luminosity of 138 fb−1 of …
Search For Heavy Resonances And Quantum Black Holes In Eμ, Eτ, And Μτ Final States In Proton-Proton Collisions At √S = 13 Tev, A. Tumasyan
Department of Physics and Astronomy: Faculty Publications
A search is reported for heavy resonances and quantum black holes decaying into eμ, eτ, and μτ final states in proton-proton collision data recorded by the CMS experiment at the CERN LHC during 2016–2018 at √s = 13TeV, corresponding to an integrated luminosity of 138 fb−1. The eμ, eτ, and μτ invariant mass spectra are reconstructed, and no evidence is found for physics beyond the standard model. Upper limits are set at 95% confidence level on the product of the cross section and branching fraction for lepton flavor violating signals. Three benchmark signals are studied: resonant τ sneutrino …