1. LHCb collaboration, Test of lepton universality with B
0 → K
∗0
ℓ
+
ℓ
− decays, JHEP 08 (2017) 055 [arXiv:1705.05802] [INSPIRE].
2. A.R. Vidal, Lepton Flavour Universality tests using semitauonic decays at LHCb, CERN EP seminar, 06 June 2017.
3. BaBar collaboration, J.P. Lees et al., Measurement of an Excess of $$ \overline{B}\to {D}^{\left(\ast \right)}{\tau}^{-}{\overline{\nu}}_{\tau } $$ Decays and Implications for Charged Higgs Bosons, Phys. Rev. D 88 (2013) 072012 [arXiv:1303.0571] [INSPIRE].
4. Belle collaboration, S. Hirose et al., Measurement of the τ lepton polarization and R(D
∗) in the decay $$ \overline{B}\to {D}^{\ast }{\tau}^{-}{\overline{\nu}}_{\tau } $$, Phys. Rev. Lett. 118 (2017) 211801 [arXiv:1612.00529] [INSPIRE].
5. LHCb collaboration, Measurement of the ratio of branching fractions $$ \mathrm{\mathcal{B}}\left({\overline{B}}^0\to {D}^{\ast +}{\tau}^{-}{\overline{\nu}}_{\tau}\right)/\mathrm{\mathcal{B}}\left({\overline{B}}^0\to {D}^{\ast +}{\mu}^{-}{\overline{\nu}}_{\mu}\right) $$, Phys. Rev. Lett. 115 (2015) 111803 [Addendum ibid. 115 (2015) 159901] [arXiv:1506.08614] [INSPIRE].