Preliminary Physics Summary: Measurement of D$^0$, D$^+$, D$^{*+}$ and D$_{\rm s}$ production in Pb-Pb collisions at ${\sqrt{s}_{\rm NN}}=5.02$ TeV

We report preliminary measurements of the production of prompt D$^0$, D$^+$, D$^{*+}$ and D$_{\rm s}^+$ mesons in Pb-Pb collisions in the centrality classes 0-10%, 30-50% and 60-80%, at the centre-of-mass energy $\sqrt{s_{\rm NN}}=5.02$ TeV per nucleon-nucleon collision. The production yields are measured at mid-rapidity ($|y|<0.5$) as a function of transverse momentum ($p_{\rm T}$). The $p_{\rm T}$ intervals covered in central collisions are: $1\lt p_{\rm T}<50$ GeV/$c$ for D$^0$, $2\lt p_{\rm T}<36$ GeV/$c$ for D$^+$, $3\lt p_{\rm T}\lt 50$ GeV/$c$ for D$^{*+}$, and $4\lt p_{\rm T}<16$ GeV/$c$ for D$_{\rm s}^+$ mesons. The nuclear modification factors $R_{\rm AA}$ are calculated using a proton-proton reference at $\sqrt{s}=5.02$ TeV obtained by scaling the D-meson cross sections measured at $\sqrt{s}=7$ TeV.