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Volume 377 - 18th International Conference on B-Physics at Frontier Machines (Beauty2019) - Spectroscopy
Heavy flavor spectroscopy results from CMS
S. Polikarpov
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Pre-published on: 2020 January 27
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The observation of the $\mathrm{B}^{*}_{\mathrm{s}2}(5840)^0\to\mathrm{B}^0\mathrm{K}^0_{\mathrm\scriptscriptstyle S}$ decay and the evidence for the $\mathrm{B}_{\mathrm{s}1}(5830)^0\to\mathrm{B}^{*0}\mathrm{K}^0_{\mathrm\scriptscriptstyle S}$ decay by the CMS experiment are reported, as well as the study of the $\mathrm{B}^+\to\mathrm{J}/\psi\overline{\Lambda}\mathrm{p}$ decay, performed using the data collected in proton-proton collisions at $\sqrt{s}=8$\,TeV. In addition, the observation of the $\Lambda^0_{\mathrm{b}}\to\mathrm{J}/\psi\Lambda\phi$ decay and measurement of its branching fraction, relative to the $\Lambda^0_{\mathrm{b}}\to\psi\mathrm{(2S)}\Lambda$ decay, using the proton-proton collision data collected at at $\sqrt{s}=13$\,TeV is presented.
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