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Observation of the decay B+→ ψ(2S)φ(1020)K+in pp collisions at √s = 8 TeV
CMS Collaboration
CMS Collaboration
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Abstract
The decay B+→ψ(2S)φ(1020)K+is observed for the first time using data collected from pp collisions at √s=8 TeVby the CMS experiment at the LHC, corresponding to an integrated luminosity of 19.6fb−1. The branching fraction of this decay is measured, using the mode B+→ψ(2S)K+as normalization, to be (4.0 ±0.4 (stat)±0.6 (syst)±0.2 (B)) ×10−6, where the third uncertainty is from the measured branching fraction of the normalization channel.
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Date
2017
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Elsevier
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Keywords
CMS, Physics, B Physics, Rare B decays
Citation
The CMS Collaboration.: Observation of the decay B+→ ψ(2S)φ(1020)K+in pp collisions at √s = 8 TeV, Physics Letters B, https://doi.org/10.1016/j.physletb.2016.11.001