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Observation of $\mathrm{B}^0\to\psi\mathrm{(2S)}\mathrm{K}^0_{\mathrm S}\pi^+\pi^-$ and $\mathrm{B}^0_{\mathrm s}\to\psi\mathrm{(2S)}\mathrm{K}^0_{\mathrm S}$ decays
Using a data sample corresponding to an integrated luminosity of $103.7~\mathrm{fb}^{-1}$ of pp collisions, collected by the CMS experiment at $\sqrt{s}=13~\mathrm{TeV}$ in $2017$$-$$2018$, the $\mathrm{B}^0\to\psi\mathrm{(2S)}\mathrm{K}^0_{\mathrm S}\pi^+\pi^-$ and $\mathrm{B}^0_{\rm s}\to\psi\math...
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2021
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Acceso en línea: | http://cds.cern.ch/record/2776784 |