Revisiting the production of $J/\psi$ pairs at the LHC

A. A. Prokhorov, A. V. Lipatov, M. A. Malyshev +1

We consider the prompt double $J/\psi$ production in $pp$ collisions at the LHC in the framework of $k_T$-factorization QCD approach. Using the fragmentation mechanism, we evaluate th…