Related paper $Υ$ production and nuclear modification at forward rapidity in Pb-Pb collisions at $\mathbf{\sqrt{\textit{s}_{\textbf{NN}}}=5.02}$ TeV Acceptance and reconstruction efficiency (\Axe) for \upsones and \upstwos as a function of centrality (left) and rapidity (right). The vertical error bars denote the statistical uncertainties. [png] [pdf] [eps][png] [pdf] [eps]