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Observation of new $\Xi_c^0$ states decaying to $\Lambda_c^+K^-$, and development of the TORCH time-of-flight detector.
Using a data sample of proton-proton collisions at center-of-mass energy of 13 TeV corresponding to an integrated luminosity of 5.6 fb$^{-1}$ collected by the LHCb experiment, the $\Lambda_c^+K^-$ mass spectrum is studied. Three new, excited $\Xi_c^{0}$ states are observed and their masses and natur...
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| Lenguaje: | eng |
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2020
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| Acceso en línea: | http://cds.cern.ch/record/2723375 |