Charmonium Production at Tevatron, HERA and LHC
Miguel A. Sanchis-Lozano
Abstract
Charmonia hadro- and photo-production are analyzed in the framework of the color-octet model taking into account higher-order effects induced by initial-state radiation of gluons. We argue that color-octet matrix elements obtained from Tevatron data might be reconciled with those extracted from HERA data on inelastic J/ψ photoproduction. Finally we estimate cross sections for events with muons from prompt J/ψ's as a background for the B physics programme at LHC experiments.
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