Measurement of relative branching fractions of B decays to ψ(2S) and J/ψ mesons
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Measurement of relative branching fractions of B decays to ψ(2S) and J/ψ mesons

et al.
Abstract

The relative rates of B-meson decays into J/ψ and ψ(2S) mesons are measured for the three decay modes in pp collisions recorded with the LHCb detector. The ratios of branching fractions ($$\mathcal{B} $$) are measured to be where the third uncertainty is from the ratio of the ψ(2S) and J/ψ branching fractions to μ+μ−.

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