Abstract

We calculate the weak electromagnetic static properties for any charged fermion of the Standard Model (SM) in the context of a general effective extended vector neutral current model with flavor changing $\bar{f}_if_jZ'$. In this work we give phenomenological results for the weak electromagnetic properties of the quark top. We use known theoretical constraints coming from various $Z'$ models to bound the effective coupling parameters, and we compare our results with the theoretical prediction of the $Z$ from the SM. The experimental detection of non $–$ zero anomalous weak electro magnetic dipole moments of heavy fermions, at the current sensitivity, would be a clear evidence of new physics beyond the SM.

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