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The decay B+ to psi(2S) phi(1020) K+ is observed for the first time usingdata collected from pp collisions at sqrt(s) = 8 TeV by the CMS experiment atthe LHC, corresponding to an integrated luminosity of 19.6 inverse femtobarns.The branching fraction of this decay is measured, using the mode B+ to psi(2S)K+ as normalization, to be (4.0 +/- 0.4 (stat) +/- 0.6 (syst) +/- 0.2 (B)) xE-6, where the third uncertainty is from the measured branching fraction of thenormalization channel.

Observation of the decay B+ to psi(2S) phi(1020) K+ in pp collisions at sqrt(s) = 8 TeV