Abstract
Interpretations of the most recent experimental data on double J/ψ production are discussed. It is shown that a significant signal in the region of high invariant masses of a J/ψ pair may be a piece of evidence not only in favor of the dominance of double parton scattering in this region. The diagrams involving two-gluon exchange in the t channel, which are considered in the present study, make a commensurate contribution to the above production process in the region in question and also to the double production of J/ψ mesons characterized by a large rapidity difference.
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