Abstract

In this invited contribution I summarize the status of the new charmonium-like states near and above 3.9 GeV, which are the X(3872), X(3943), Y(3943), Z(3931), Y(4260) and ψ(4320). First I review the spectrum of conventional charmonium states in the context of a potential model, following which I discuss the status of these new states and consider whether they might be charmonia or charmonium hybrids, and how these possibilities might be tested in future.

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