Charged Higgs bosons from the 3-3-1 models and the $\mathcal{R}(D^{(\ast )})$ anomalies

Abstract

Several anomalies in the semileptonic B-meson decays such as $\mathcal{R}(D^{(\ast )})$ have been reported by $BABAR$, Belle, and LHCb collaborations recently. In this paper, we investigate the contributions of the charged Higgs bosons from the 3-3-1 models to the $\mathcal{R}(D^{(\ast )})$ anomalies. We find that, in a wide range of parameter space, the 3-3-1 models might give reasonable explanations to the $\mathcal{R}(D^{(\ast )})$ anomalies and other analogous anomalies of the B meson's semileptonic decays.

Accpeted by Physical Review D

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