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

The ALICE collaboration
Phys.Rev.C 102 (2020) 055203, 2020.

Abstract (data abstract)
The measurements of the (anti)deuterons elliptic flow ($v_2$) and the first measurements of triangular flow ($v_3$) in Pb-Pb collisions at a center-of-mass energy per nucleon-nucleon collisions $\sqrt{s_{\mathrm{NN}}}$ = 5.02 TeV are presented. A mass ordering at low transverse momentum ($p_{\rm T}$) is observed when comparing these measurements with those of other identified hadrons, as expected 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 for more central collisions, respectively. The mass number scaling, which is violated for $v_{2}$, is approximately valid for the (anti)deuterons $v_{3}$. The measured $v_{2}$ and $v_{3}$ are also compared with the predictions from a coalescence approach with phase-space distributions of nucleons generated by iEBE-VISHNU with AMPT initial conditions coupled with UrQMD, and from a dynamical model based on relativistic hydrodynamics coupled to the hadronic afterburner SMASH. The model predictions are consistent with the data within the uncertainties in mid-central collisions, while a deviation is observed in central centrality intervals.

  • Table 1a

    Data from Figure 2 (left panel)

    10.17182/hepdata.99901.v1/t1

    v2 as a function of pT for Pb-Pb collisions at \sqrt{s_NN} = 5.02 TeV and centrality 0-5%.

  • Table 1b

    Data from Figure 1 (left panel)

    10.17182/hepdata.99901.v1/t2

    v2 as a function of pT for Pb-Pb collisions at \sqrt{s_NN} = 5.02 TeV and centrality 5-10%.

  • Table 1c

    Data from Figure 2 (left panel)

    10.17182/hepdata.99901.v1/t3

    v2 as a function of pT for Pb-Pb collisions at \sqrt{s_NN} = 5.02 TeV and centrality 10-20%.

  • Table 1d

    Data from Figure 2 (left panel)

    10.17182/hepdata.99901.v1/t4

    v2 as a function of pT for Pb-Pb collisions at \sqrt{s_NN} = 5.02 TeV and centrality 20-30%.

  • Table 1e

    Data from Figure 2 (left panel)

    10.17182/hepdata.99901.v1/t5

    v2 as a function of pT for Pb-Pb collisions at \sqrt{s_NN} = 5.02 TeV and centrality 30-40%.

  • Table 1f

    Data from Figure 2 (left panel)

    10.17182/hepdata.99901.v1/t6

    v2 as a function of pT for Pb-Pb collisions at \sqrt{s_NN} = 5.02 TeV and centrality 40-50%.

  • Table 1g

    Data from Figure 2 (left panel)

    10.17182/hepdata.99901.v1/t7

    v2 as a function of pT for Pb-Pb collisions at \sqrt{s_NN} = 5.02 TeV and centrality 50-60%.

  • Table 1h

    Data from Figure 2 (left panel)

    10.17182/hepdata.99901.v1/t8

    v2 as a function of pT for Pb-Pb collisions at \sqrt{s_NN} = 5.02 TeV and centrality 60-70%.

  • Table 2a

    Data from Figure 2 (right panel)

    10.17182/hepdata.99901.v1/t9

    v3 as a function of pT for Pb-Pb collisions at \sqrt{s_NN} = 5.02 TeV and centrality 0-20%.

  • Table 2b

    Data from Figure 1 (right panel)

    10.17182/hepdata.99901.v1/t10

    v3 as a function of pT for Pb-Pb collisions at \sqrt{s_NN} = 5.02 TeV and centrality 20-40%.

  • Table 2c

    Data from Figure 2 (right panel)

    10.17182/hepdata.99901.v1/t11

    v3 as a function of pT for Pb-Pb collisions at \sqrt{s_NN} = 5.02 TeV and centrality 40-60%.

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