Related paper Elliptic flow of identified hadrons in Pb-Pb collisions at $\sqrt{s_{\rm{NN}}}$ = 2.76 TeV The $p_{\rm{T}}$-differential ${v}_2$ for different particle species grouped by centrality class of Pb-Pb collisions at $\sqrt{s_\mathrm{{NN}}} = 2.76$ TeV.[png] [pdf]