First measurement of Ds+ → K*(892)0 μ+ νμ branching fraction together with form factors and differential rates shows no lepton universality violation.
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Evidence at 3.6 sigma is reported for the semileptonic decays Lambda_c+ to Sigma^pm pi^mp e+ nu_e with branching fraction (7.7 +2.5 -2.3 stat +/- 1.3 syst) x 10^-4, consistent with quark-model predictions.
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First Measurement of the $D_s^+\rightarrow K^{*}(892)^0\mu^+\nu_{\mu}$ Decay, Study of Dynamics and Test of Lepton Universality with $D_s^+\rightarrow K^{*}(892)^0\ell^+\nu_{\ell}$ Decays
First measurement of Ds+ → K*(892)0 μ+ νμ branching fraction together with form factors and differential rates shows no lepton universality violation.
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Evidence for the semileptonic decays $\Lambda_c^{+} \to \Sigma^{\pm} \pi^{\mp} e^+ \nu_e$
Evidence at 3.6 sigma is reported for the semileptonic decays Lambda_c+ to Sigma^pm pi^mp e+ nu_e with branching fraction (7.7 +2.5 -2.3 stat +/- 1.3 syst) x 10^-4, consistent with quark-model predictions.