Figure Caption
Ratio between $\pt$-differential cross sections of prompt $\Dzero$ mesons at midrapidity ($|y|0.5$) in pp collisions at $\s=5.02$~TeV~ and $13$~TeV and those at forward rapidity in three rapidity intervals (left: $22.5$, middle: $33.5$, right: $44.5$) measured by the LHCb Collaboration~. The double ratios $\rho$, defined in Eq.~\ref{eq:double_ratio}, are shown in the middle and bottom rows together with FONLL calculations employing the CTEQ6.6~ (middle row) and NNPDF30~ (bottom row) PDF sets. The statistical (systematic) uncertainties are shown as vertical bars (boxes).
Detail description
Figure extracted from paper