23-27 mayo 2016
Europe/Madrid timezone

FCNC decays of top quark in the aligned two Higgs doublet model

27 may. 2016 12:50
20m
Contributed talk SUSY/Higgs/BSM Higgs 4

Ponente

Gauhar Abbas (IFIC, CSIC-Univ Valencia)

Descripción

We compute the flavour-changing top decays t-> ch and t-> cV (V =g ,Z) within the framework of the aligned two-Higgs-doublet models. By exploiting constraints from flavour physics and the measured Higgs properties, we investigate the parameter space of the model and its impact on the associated branching ratios. It is observed that the Higgs signal strength in the di-photon channel imposes important restrictions on the t->ch decay rate when the charged scalar of the model is light. We conclude that the rates of these flavour-changing top decays are beyond the expected sensitivity of the future high-luminosity phase of the LHC.

Autor primario

Gauhar Abbas (IFIC, CSIC-Univ Valencia)

Coautores

Alejandro Celis (IFIC-Universitat de Valencia) Antonio Pich (IFIC) Dr. Jie Lu (Shanghai University) Dr. XIn-Qialg Li (Institute of Particle Physics and Key Laboratory of Quark and Lepton Physics (MOE), Central China Normal University, Wuhan, Hubei 430079, China)

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