Charmonia production in hadron colliders and the extraction of colour-octet matrix elements
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Cano-Coloma Varo, Beatriz; Sanchis Lozano, Miguel Ángel
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Aquest document és un/a article, creat/da en: 1997
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We present the results of our analysis on charmonia (J/ψ and ψ′) hadroproduction taking into account higher-order QCD effects induced by initial-state radiation in a Monte Carlo framework, with the colour-octet mechanism implemented in the event generation. We find that those colour-octet matrix elements extracted so far from Fermilab Tevatron data for both J/ψ and ψ′ production have to be lowered significantly. We finally make predictions for charmonia production at the LHC, presenting a code for a fast simulation with PYTHIA based on the colour-octet model. |
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