Figure 3

Examples of $v_2$ extraction with two-particle correlation methods in a selected $\pt$ interval for Pb-Pb collisions in the 30-50% centrality range: the two-particle cumulants method for $\rm D^0$ (a) and the scalar product method for $\rm D^{*+}$ (b). The lower panels report the D meson $v_2$ values obtained with the simultaneous fit procedure, as described in the text. The rapidity interval is $|y|< y_{\rm fid}$ (see Section text for details).