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Compact Muon Solenoid
LHC, CERN

CMS-PAS-BPH-18-004
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
Abstract: Using a data sample corresponding to an integrated luminosity of 103.7 fb$^{-1}$ of pp collisions, collected by the CMS experiment at $\sqrt{s}= $ 13 TeV in 2017 - 2018, the $\mathrm{B}^0\to\psi\mathrm{(2S)}\mathrm{K}^0_{\mathrm S}\pi^+\pi^-$ and $\mathrm{B}^0_{\rm s}\to\psi\mathrm{(2S)}\mathrm{K}^0_{\mathrm S}$ decays are observed. Measurements of their branching fractions, relative to the $\mathrm{B}^0\to\psi\mathrm{(2S)}\mathrm{K}^0_{\mathrm S}$ decay, are reported.
CMS Publications
Compact Muon Solenoid
LHC, CERN