SciPost Physics Proceedings

SciPost Phys. Proc. 1, 021 (2019) · published 19 February 2019

• doi: 10.21468/SciPostPhysProc.1.021
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Proceedings event

The 15th International Workshop on Tau Lepton Physics

Abstract

We discuss the physics case for the LHC motivated by the $B$-physics anomalies. After correlating semi-tauonic $B$ decays to di-tau production at the LHC, and discussing the possible models solving the $B$-anomalies, we show how existing LHC data in $\tau\bar\tau$ tails exclude most beyond the SM scenarios except for a handful of leptoquark (LQ) models. We analyze the impact of LHC searches for some of these LQ solutions using current data. In particular, we focus on the well known $U_1$ vector LQ as well as the GUT-inspired scalar LQs, $R_2$ and $S_3$. By exploiting the complementarity between di-tau searches and the lepton flavor violating decays $B\to K\mu\tau$ and $\tau\to\mu\phi$ we argue that these model can be cornered by the LHC, Belle~II and LHCb in the near future.

• Singirala et al., Light dark matter, rare B decays with missing energy in Lμ−Lτ model with a scalar leptoquark
  Phys. Rev. D 105, 015033 (2022) [Crossref]
• Kim et al., Correlation between $$ {R}_{D^{\left(\ast \right)}} $$ and top quark FCNC decays in leptoquark models
  J. High Energ. Phys. 2019, 25 (2019) [Crossref]