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Hadron / Exotic and excited open charm spectroscopy in B decays at LHCb #54

The latest spectroscopy measurements of open charm hadrons produced in beauty decays at LHCb are reported. These include the observation of new "exotic" hadron candidates that don't fit into the conventional picture of three-quark baryons and quark-antiquark mesons. Also observed are new excited charm states. These results provide tests of the predictions from lattice QCD and HQET. Excited charm studies are also invaluable to understanding backgrounds in lepton-flavour universality measurements.

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