Related paper Energy dependence and fluctuations of anisotropic flow in Pb-Pb collisions at $\mathbf{\sqrt{{\textit s}_\text{NN}}} = \mathbf{5.02}$ and $\mathbf{2.76}$ TeV Ratio of elliptic flow coefficients $v_2\{8\}/v_2\{6\}$ of inclusive charged particles as a function of centrality.[png] [pdf] [eps]