What can We Learn from Triple Top-Quark Production?

Abstract

Different from other multiple top-quark productions, triple top-quark production requires the presence of both flavor violating neutral interaction and flavor conserving neutral interaction. We describe the interaction of triple top-quarks and up-quark in terms of two dimension-6 operators; one can be induced by a new heavy vector resonance, the other by a scalar resonance. Combining same-sign top-quark pair production and four top-quark production, we explore the potential of the 13 TeV LHC on searching for the triple top-quark production.

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• Observation of four-top-quark production in the multilepton final state with the ATLAS detector
• Constraining $t\to u$ flavor changing neutral Higgs coupling at the LHC
• Probing top quark FCNC couplings in the triple-top signal at the high energy LHC and future circular collider
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