Related paper Measurement of D-meson production at mid-rapidity in pp collisions at $\mathbf{\sqrt{s}=7}$ TeV Acceptance $\times$ efficiency for $\Dzero$, $\Dplus$, $\Dstar$ and $\Ds$ mesons, as a function of $\pt$ The efficiencies for prompt (solid lines) and feed-down (dotted lines)D mesons are shown.[png] [pdf]