[Formula Presented] asymmetry in hadroproduction from heavy-quark recombination
Asymmetries in the hadroproduction of charm particles directly probe power corrections to the QCD factorization theorems. In this paper, the heavy-quark recombination mechanism, a power correction that explains charm meson asymmetries, is extended to charm baryons. In this mechanism, a light quark participates in the hard-scattering that creates a charm quark and they hadronize together into a charm baryon. This provides a natural and economical explanation for the [Formula Presented] asymmetries measured in [Formula Presented] and [Formula Presented] collisions. © 2004 The American Physical Society.
Braaten, E; Kusunoki, M; Jia, Y; Mehen, T
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