Double parton interaction: the values of $\sigma_{\rm eff}$

E. Gotsman (Tel Aviv U.); E. Levin (Tel Aviv U./UTFSM)

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Double parton interaction: the values of $\sigma_{\rm eff}$

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arxiv 1909.03640 v2 pith:SDJEEP6Y submitted 2019-09-09 hep-ph hep-ex

E. Gotsman (Tel Aviv U.) , E. Levin (Tel Aviv U./UTFSM) This is my paper

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abstract

In this letter we show that the two parton showers mechanism for $J/\Psi$ production, that has been discussed in Ref.[28], leads to small values of $\sigma_{\rm eff}$ for the production of a pair of $J/\Psi$. We develop a simple two channel approach to estimate the values of $\sigma_{\rm eff}$, which produces values that are in accord with the experimental data.

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