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Tests of lepton universality with semitauonic b-quark decays
Tests of Lepton Flavor Universality are presented using ratios of branching fractions $\Mathscr{B}(B \to X_c \tau^+ \nu_{\tau})/\Mathscr{B}$$(B \to X_c \mu^+\nu_{\mu})$, with $X_c=D^{*-}$ or $J/\psi$, using the data collected by the LHCb experiment during 2011 and 2012. When combined with the result...
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| Lenguaje: | eng |
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2019
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| Acceso en línea: | https://dx.doi.org/10.22323/1.340.0126 http://cds.cern.ch/record/2708461 |