Same sign top-pairs in a non-universal Z' model at the LHC
Abstract
We analyse same sign dilepton signatures in a non-universal flavor changing Z' model. These arise due to tt (or tbar tbar) production processes due to the semi-leptonic decays of (anti)tops. We also discuss top reconstruction and spin measurement using the variable MT2 and MT2-Assisted On-Shell (MAOS) Momentum techniques and will also provide a comparison with the on-shell mass relation method. Sensitivities to the flavor-changing top coupling has also been estimated for different LHC energies and projected LHC luminosities corresponding to them.
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