Implications of scalar and tensor explanations of $R_{D^{(\ast)}}$

Ferruccio Feruglio; Paride Paradisi; Olcyr Sumensari

doi:10.1007/jhep11(2018)191

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arXiv · 1806.10155

Implications of scalar and tensor explanations of $R_{D^{(\ast)}}$

Ferruccio Feruglio·Paride Paradisi·Olcyr Sumensari

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Abstract

We investigate the implications of scalar and tensor operators proposed to accommodate the hints of lepton flavor universality violation in charged-current $B$-meson decays. We show that these scenarios unavoidably induce chirality enhanced contributions to charged lepton magnetic moments and Yukawa couplings. By using an effective field theory approach we quantify in a model independent way the connection of the $R_{D^{(\ast)}}$ anomaly with the tau $g-2$ and the Higgs decay $h\to \tau\tau$, which can offer an alternative to test these scenarios. Concrete New Physics models giving rise to our setup will be illustrated.

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Ferruccio Feruglio, Paride Paradisi, Olcyr Sumensari. 2018-06-26. Implications of scalar and tensor explanations of $R_{D^{(\ast)}}$. https://doi.org/10.1007/jhep11(2018)191

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