Are there any challenges in the charmonia production and polarization at the LHC?

S. P. Baranov, A. V. Lipatov

We analyze the inclusive prompt production of ${\psi }^{\prime }$, ${\chi }_c$, $J/\psi$ and ${\eta }_c$ mesons at the LHC using the $k_T$-factorization approach. Our consideration is based on the off-she…