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Abstract: Models with a non-universal Z- exhibit in general flavor changing neutralcurrents FCNC at tree-level. When the Z- couplings favor the thirdgeneration, flavor changing transitions of the form Z-tc and Z-tu could belarge enough to be observable at the LHC. In this paper we explore thispossibility using the associated production of a single top-quark with the Z-and find that integrated luminosities of a few hundred fb$^{-1}$ are necessaryto probe the interesting region of parameter space.



Autor: Sudhir Kumar Gupta, G. Valencia Iowa State University

Fuente: https://arxiv.org/



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