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Observation of the $\Lambda^{0}_{\mathrm{b}} \to \mathrm{J}/{\psi}\Xi^-\mathrm{K}^{+}$ decay
Using pp collision data corresponding to an integrated luminosity of about $140~\mathrm{fb}^{-1}$ collected by the CMS experiment at $\sqrt{s}= 13~\mathrm{TeV}$ in 2016--2018, the $\Lambda^{0}_{\mathrm{b}} \to \mathrm{J}/{\psi}\,\Xi^{-}\,\mathrm{K}^{+}$ decay is observed for the first time with a si...
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2023
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| Acceso en línea: | http://cds.cern.ch/record/2859356 |