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Tests of Lepton Universality at LHCb
In this report, measurements of the ratios of branching fractions $R_K = \mathcal{B}(B^+\to K^+\mu^+\mu^-)/\mathcal{B}(B^+\to K^+e^+e^-)$ and $R(D^*) = \mathcal{B}(\bar B^0\to D^{*+}\tau^-\bar \nu_{\tau})/\mathcal{B}(\bar B^0\to D^{*+}\mu^-\bar \nu_{\mu})$, as well as preliminary upper limits on the...
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| Lenguaje: | eng |
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2017
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| Acceso en línea: | https://dx.doi.org/10.1016/j.nuclphysbps.2017.03.071 http://cds.cern.ch/record/2270937 |