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VOLUME 86 | ISSUE 12 | PAGE 863
On duality of Drell-Yan and J/ψ production processes
A. Sissakian, O. Shevchenko, O. Ivanov
Joint Institute for Nuclear Research, 141980 Dubna, Russia

PACS: 13.60.Hb, 13.65.Ni, 13.88.+e
Abstract
It is studied the model on J/ψ production allowing to extract parton distribution functions (PDFs) from the combined analysis with both data on Drell-Yan and J/ψ production processes. It is shown that this, so attractive from theoretical point of view, model, can be safely used in the low energy region E\lesssim100 GeV. The significance of gluon contributions to the J/ψ cross-sections is investigated. The obtained results in the high energy region occur to be rather surprising.


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