Search for squarks in events with jets, hadronically decaying τ -lepton, and missing transverse momentum in the final state in proton-proton collision at √s = 13 TeV with the ATLAS detector
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- Master theses 
Signal regions have been designed for search of squarks in events with jets, at least one hadronically decaying τ -lepton, and missing transverse momentum in the final state. The analysis is based on the LHC Run 2 dataset at √s = 13 TeV with an integrated luminosity of 139 f b−1. Two independent final states are considered, one with one τ -lepton in the final state and another with two or more τ -lepton in the final state. A simplified model of squark pair production is considered. An exclusion contour plot has been produced using only SR and with experimental systematic uncertainties. From the preliminary result of the exclusion contour plot, squark masses up to around 1700 GeV are expected to be excluded for low LSP masses at 95% confidence level, and LSP masses up to 800 GeV are expected to be excluded for squark masses around 1250 GeV.