Intrinsic Charm Contribution to $J/\psi$ Plus Open Charm Associated Production at High Energies

Abstract

We present the results of a calculation of the intrinsic charm quark contribution to $J/\psi$ plus open charm associated production at large transverse momentum in hadron collisions at high energies. It is shown that the value of the cross section for such process and its energy dependence are significantly determined by the choice of charm quark distribution function. We find that intrinsic charm contribution to inclusive $J/\psi$ hadroproduction is about 1\% of the total contribution of all mechanisms.

9 pages, 5 figures (not include but available upon request), Talk given at Conference on Fundamental Interactions, ITEPh, Moscow, Aprile 1994

References in corpus (2)

• Gluon Fragmentation into Heavy Quarkonium
• Intrinsic Charm In Proton and $J/\psi$ Photoproduction at High Energies

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