Colour-octet NLO QCD corrections to hadronic J decays
Abstract
In this paper we present a complete next-to-leading order QCD calculation of the J (3PJ\; ;J=0,1,2) hadronic decay width. We include the NLO colour-octet contribution, as defined in the Bodwin, Braaten and Lepage formalism. We extract an estimate of the colour-octet parameter \ from the charmonium decay data.
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