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Elliptic flow of (anti-)$^{3}$He measured in the centrality ranges 0--20$\%$ (green diamonds) and 20--40$\%$ (red squares) in comparison with the predictions from a coalescence model based on phase-space distributions of protons and neutrons generated from the iEBE-VISHNU hybrid model with AMPT initial conditions. The model predictions are shown by the green and red lines for the centrality ranges 0--20$\%$ and 20--40$\%$, respectively, and the bands represent their statistical uncertainties. The differences between data and model are shown in the lower panel for both centrality ranges. The statistical uncertainties of the data and the model are added in quadrature. Vertical bars and boxes represent the statistical and systematic uncertainties, respectively.
Elliptic flow of (anti-)$^{3}$He measured in the centrality ranges 0--20$\%$ (green diamonds) and 20--40$\%$ (red squares) in comparison with the predictions from a coalescence model based on phase-space distributions of protons and neutrons generated from the iEBE-VISHNU hybrid model with AMPT initial conditions. The model predictions are shown by the green and red lines for the centrality ranges 0--20$\%$ and 20--40$\%$, respectively, and the bands represent their statistical uncertainties. The differences between data and model are shown in the lower panel for both centrality ranges. The statistical uncertainties of the data and the model are added in quadrature. Vertical bars and boxes represent the statistical and systematic uncertainties, respectively.