Abstract
A search is presented for direct top squark pair production in final states with one isolated electron or muon, jets, and missing transverse momentum in proton-proton collisions at sqrt[s] = 7 TeV. The measurement is based on 4.7 fb(-1) of data collected with the ATLAS detector at the LHC. Each top squark is assumed to decay to a top quark and the lightest supersymmetric particle (LSP). The data are found to be consistent with standard model expectations. Top squark masses between 230 GeV and 440 GeV are excluded with 95% confidence for massless LSPs, and top squark masses around 400 GeV are excluded for LSP masses up to 125 GeV.
Highlights
A search muon, jets, is presented and missing for direct transverse top squark pair production in momentum in proton-proton cfionlalilsisotantsesatwpitffishffi 1⁄4on7e isolated electron or TeV
Each top squark is assumed to decay to a top quark and the lightest supersymmetric particle (LSP)
Top squark masses between 230 GeV and 440 GeV are excluded with 95% confidence for massless LSPs, and top squark masses around 400 GeV are excluded for LSP masses up to 125 GeV
Summary
A search muon, jets, is presented and missing for direct transverse top squark pair production in momentum in proton-proton cfionlalilsisotantsesatwpitffishffi 1⁄4on7e isolated electron or TeV. The data were collected requiring either a single lepton (electron or muon) or an EmT iss trigger.
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