Abstract
New spin-counting predictions are derived for relative production rates of orbitally excited singly charmed mesons and baryons in e/sup +/e/sup -/ annihilation. cc-bar dominance is assumed and a covariant free-quark model based on U(6,6) is used with an l-breaking given by the generalized /sup 3/P/sub 0/ model. The predictions of this model for ground-state charmed hadrons are compared with existing results.
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