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- W3197231894 abstract "The results of a search for the top squark, the supersymmetric partner of the top quark, in final stateswith one isolated electron or muon, jets, and missing transverse momentum are reported. The searchuses the 2015 LHC pp collision data at a center-of-mass energy of ffiffis p ¼ 13 TeV recorded by theATLAS detector and corresponding to an integrated luminosity of 3.2 fb−1. The analysis targets twotypes of signal models: gluino-mediated pair production of top squarks with a nearly mass-degeneratetop squark and neutralino and direct pair production of top squarks, decaying to the top quark and thelightest neutralino. The experimental signature in both signal scenarios is similar to that of a top quarkpair produced in association with large missing transverse momentum. No significant excess over theStandard Model background prediction is observed, and exclusion limits on gluino and top squarkmasses are set at 95% confidence level. The results extend the LHC run-1 exclusion limit on the gluinomass up to 1460 GeV in the gluino-mediated scenario in the high gluino and low top squark mass regionand add an excluded top squark mass region from 745 to 780 GeV for the direct top squark model with amassless lightest neutralino. The results are also reinterpreted to set exclusion limits in a model ofvectorlike top quarks." @default.
- W3197231894 created "2021-09-13" @default.
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