# Revisiting the new-physics interpretation of the $b\to c\tau\nu$ data

@article{Shi2019RevisitingTN,
title={Revisiting the new-physics interpretation of the \$b\to c\tau\nu\$ data},
author={Rui-Xiang Shi and L. Geng and B. Grinstein and S. Jager and J. M. Camalich},
journal={arXiv: High Energy Physics - Phenomenology},
year={2019}
}
• Rui-Xiang Shi, +2 authors J. M. Camalich
• Published 2019
• Physics
• arXiv: High Energy Physics - Phenomenology
• We revisit the status of the new-physics interpretations of the anomalies in semileptonic $B$ decays in light of the new data reported by Belle on the lepton-universality ratios $R_{D^{(*)}}$ using the semileptonic tag and on the longitudinal polarization of the $D^*$ in $B\to D^*\tau\nu$, $F_L^{D^*}$. The preferred solutions involve new left-handed currents or tensor contributions. Interpretations with pure right-handed currents are disfavored by the LHC data, while pure scalar models are… CONTINUE READING

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