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Colour-octet NLO QCD corrections to hadronic $\chi_{J}$ decays
In this paper we present a complete next-to-leading order QCD calculation of the \chi_J (^3P_J\; ;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 \height\ from th...
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| Lenguaje: | eng |
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1996
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| Acceso en línea: | https://dx.doi.org/10.1016/0370-2693(96)00459-5 http://cds.cern.ch/record/300308 |