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In this work we study the flavor changing neutral current (FCNC) decays of the top quark, t→cγ and t→cg, in the framework of the unparticle physics. The Standard Model predictions for the branching ratios of these decays are about ∼5×10−14, and ∼1×10−12, respectively. The parameter space of λ, Λ, and d is obtained by taking into account the SM predictions and the results of the simulation performed...
The potential of ep collision to prospect for anomalous Wtb vertex is discussed from the single top quark production process ep→tν ̄+X for TESLA+HERAp and CLIC+LHC energies. Sensitivities to anomalous couplings F 2L and F 2R , in the case of CLIC+LHC, are shown to be comparable with LHC.
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