Publication: Observation of the decay B⁺ $\to$ ψ(2S) φ(1020) K⁺ in pp collisions at $\sqrt{s} = 8$ TeV
Observation of the decay B⁺ $\to$ ψ(2S) φ(1020) K⁺ in pp collisions at $\sqrt{s} = 8$ TeV
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CMS Collaboration, Canelli, M. F., Kilminster, B., Aarrestad, T. K., Caminada, L., De Cosa, A., Del Burgo, R., Donato, S., Galloni, C., Hinzmann, A., Hreus, T., Ngadiuba, J., Pinna, D., Rauco, G., Robmann, P., Salerno, D., Schweiger, K., Seitz, C., Takahashi, Y., … et al. (2017). Observation of the decay B⁺ $\to$ ψ(2S) φ(1020) K⁺ in pp collisions at $\sqrt{s} = 8$ TeV. Physics Letters B, B764, 66–86. https://doi.org/10.1016/j.physletb.2016.11.001
Abstract
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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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- Canelli, Maria Florencia
- Kilminster, Benjamin
- Aarrestad, Thea K
- Caminada, Lea
- De Cosa, Annapaoloa
- Donato, Silvio
- Galloni, Camilla
- Hinzmann, Andreas
- Hreus, Tomas
- Ngadiuba, Jennifer
- Pinna, Deborah
- Rauco, Giorgia
- Robmann, Peter
- Salerno, Daniel
- Seitz, Claudia
- Takahashi, Yuta
- Zucchetta, Alberto
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CMS Collaboration, Canelli, M. F., Kilminster, B., Aarrestad, T. K., Caminada, L., De Cosa, A., Del Burgo, R., Donato, S., Galloni, C., Hinzmann, A., Hreus, T., Ngadiuba, J., Pinna, D., Rauco, G., Robmann, P., Salerno, D., Schweiger, K., Seitz, C., Takahashi, Y., … et al. (2017). Observation of the decay B⁺ $\to$ ψ(2S) φ(1020) K⁺ in pp collisions at $\sqrt{s} = 8$ TeV. Physics Letters B, B764, 66–86. https://doi.org/10.1016/j.physletb.2016.11.001
