Abstract
The hadronic decay of radially and orbitally excited charmonium above charm threshold by 3 P 0 pair creation and chromoelectric flux-tube breaking is discussed in an harmonic oscillator approximation. We find independent evidence from a study of widths for a 2S admixture in the predominantly 1D state ψ(3770), and explore the possibility of metastable radially excited 2 3 P 0,1,2 states being a source of the anomalously large production of ψ′ at the Tevatron. At least one of them is expected to be narrow as a consequence of the existence of nodes in the radial wave function.
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