Charmonia production in hadron colliders and the extraction of colour-octet matrix elements
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Charmonia production in hadron colliders and the extraction of colour-octet matrix elements

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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
This document is a artículoDate1997

Este documento está disponible también en : http://hdl.handle.net/10550/43913
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.

    Cano-Coloma Varo, Beatriz Sanchis Lozano, Miguel Ángel 1997 Charmonia production in hadron colliders and the extraction of colour-octet matrix elements Nuclear Physics B 508 3 753 767
http://dx.doi.org/10.1016/S0550-3213(97)00660-3

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