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We study, within the Monte-Carlo Glauber model, centrality dependence of themidrapidity charged multiplicity density $dN_{ch}/d\eta$ and of the anisotropycoefficients $\varepsilon_{2,3}$ in Pb+Pb collisions at $\sqrt{s}=5.02$ TeV andin Xe+Xe collisions at $\sqrt{s}=5.44$ TeV. Calculations are performed forversions with and without nucleon meson cloud. The fraction of the binarycollisions, $\alpha$, has been fitted to the data on $dN_{ch}/d\eta$ in Pb+Pbcollisions. We obtain $\alpha\approx 0.09(0.13)$ with (without) meson cloud.The effect of meson cloud on the $dN_{ch}/d\eta$ is relatively small. For Xe+Xecollisions for $0$-$5$\% centrality bin we obtain $dN_{ch}/d\eta\approx 1149$and $1134$ with and without meson cloud, respectively. We obtain$\varepsilon_2(\mbox{Xe})/\varepsilon_2(\mbox{Pb})\sim 1.45$ for most centralcollisions, and $\varepsilon_2(\mbox{Xe})/\varepsilon_2(\mbox{Pb})$ close tounity at $c\gtrsim 20$\%. We find a noticeable increase of the eccentricity inXe+Xe collisions at small centralities due to the prolate shape of the Xenucleus. The triangularity in Xe+Xe collisions is bigger than in Pb+Pbcollisions at $c\lesssim 70$\%. We obtain$\varepsilon_3(\mbox{Xe})/\varepsilon_3(\mbox{Pb})\sim 1.3$ at $c\lesssim 1$\%.

Monte Carlo Glauber model with meson cloud: predictions for 5.44 TeV Xe+Xe collisions