Figure 9

Ratios of $\Dzero$-meson production cross section as a functionof $\pt$ at mid-rapidity ($|y|< 0.5$) and in threedifferent rapidity intervals at forward rapidity fromLHCb~: $2< y< 2.5$ (left panel),$3< y< 3.5$ (middle panel), $4< y< 4.5$ (right panel) The error bars represent the total (statistical and systematic) uncertaintyon the measurement Predictions from FONLL calculations are compared to the data points.
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