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Observation of the decay B⁺ $\to$ ψ(2S) φ(1020) K⁺ in pp collisions at $\sqrt{s} = 8$ TeV


Abstract

The decay B⁺→ψ(2S)ϕ(1020)K⁺ is observed for the first time using data collected from pp collisions at $\sqrt{s} = 8$ TeV by the CMS experiment at the LHC, corresponding to an integrated luminosity of 19.6 $fb^{−1}$. The branching fraction of this decay is measured, using the mode $\mathcal{B}$⁺→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.

Abstract

The decay B⁺→ψ(2S)ϕ(1020)K⁺ is observed for the first time using data collected from pp collisions at $\sqrt{s} = 8$ TeV by the CMS experiment at the LHC, corresponding to an integrated luminosity of 19.6 $fb^{−1}$. The branching fraction of this decay is measured, using the mode $\mathcal{B}$⁺→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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Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Physics Institute
Dewey Decimal Classification:530 Physics
Language:English
Date:2017
Deposited On:11 Dec 2017 16:05
Last Modified:18 Dec 2017 15:56
Publisher:Elsevier
ISSN:0370-2693
Free access at:Publisher DOI. An embargo period may apply.
Publisher DOI:https://doi.org/10.1016/j.physletb.2016.11.001

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