Figure 3

$\pt$-differential inclusive production cross section of prompt $\Dzero$, $\Dplus$, $\Dstar$ and $\Ds$ mesons in pp collisionsat $\sqrts=7~\tev$. Statistical uncertainties (bars) and systematicuncertainties (boxes) are shown. The $\Dstar$ cross section is scaled by afactor of 5 for better visibility.
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