Prospects for the measurement of top quark-antiquark associated Higgs boson (ttH) production in the HL-LHC era will be presented. The measurement is performed in the opposite sign dilepton channel focusing on the H → bb decay. A novel approach and the projection study for the HL-LHC is explored. The analysis strategy is based on the reconstruction of the Higgs boson invariant mass through the analytical solution of the kinematic equations of the ttH system, employs a neural network for the selection of data and makes use of a data-based method to estimate the main backgrounds.
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