EPJ Web Conf.
Volume 202, 20199th International Workshop on Charm Physics (CHARM 2018)
|Number of page(s)
|13 March 2019
Charmonium and exotics from lattice QCD
Department of Physics, Bergische Universität Wuppertal, Gaussstr. 20, 42119 Wuppertal, Germany
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Published online: 13 March 2019
We review selected lattice results on the charmonium spectrum and first attempts to search for the existence of exotic states. The hadro-quarkonium model was proposed to interpret some of the exotic states as a quarkonium core inside a hadron. We present a lattice study of the hadro-quarkonium model in the limit of static quarks. The charm quark decouples in low energy observables and binding energies of charmonium. In a model calculation we are able to evaluate the corrections to decoupling of the charm quark in the continuum.
© The Authors, published by EDP Sciences, 2019
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