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The measurements of the (anti)deuterons elliptic flow ($v_2$) and the firstmeasurements of triangular flow ($v_3$) in Pb-Pb collisions at a center-of-massenergy per nucleon-nucleon collisions $\sqrt{s_{\mathrm{NN}}}$ = 5.02 TeV arepresented. A mass ordering at low transverse momentum ($p_{\rm T}$) is observedwhen comparing these measurements with those of other identified hadrons, asexpected from relativistic hydrodynamics. The measured (anti)deuterons $v_2$lies between the predictions from the simple coalescence and blast-wave models,which provide a good description of the data only for more peripheral and formore central collisions, respectively. The mass number scaling, which isviolated for $v_2$, is approximately valid for the (anti)deuterons $v_3$. Themeasured $v_2$ and $v_3$ are also compared with the predictions from acoalescence approach with phase-space distributions of nucleons generated byiEBE-VISHNU with AMPT initial conditions coupled with UrQMD, and from adynamical model based on relativistic hydrodynamics coupled to the hadronicafterburner SMASH. The model predictions are consistent with the data withinthe uncertainties in mid-central collisions, while a deviation is observed incentral centrality intervals.

Elliptic and triangular flow of (anti)deuterons in Pb-Pb collisions at $\sqrt{s_{\mathrm{NN}}}$ = 5.02 TeV