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Event-shape engineering for the D-meson elliptic flow in mid-central Pb-Pb collisions at $\sqrt{s_{\rm NN}} =5.02$ TeV

The ALICE collaboration
No Journal Information, 2018

Abstract (data abstract)
CERN-LHC. The production yield of prompt D mesons and their elliptic flow coefficient v_{2} were measured with the Event-Shape Engineering (ESE) technique applied to mid-central (10-30% and 30-50% centrality classes) Pb-Pb collisions at the centre-of-mass energy per nucleon pair sqrt{s_{NN}}=5.02 TeV, with the ALICE detector at the LHC. The ESE technique allows the classification of events, belonging to the same centrality, according to the azimuthal anisotropy of soft particle production in the collision. The reported measurements give the opportunity to investigate the dynamics of charm quarks in the Quark-Gluon Plasma and provide information on their participation in the collective expansion of the medium. D mesons were reconstructed via their hadronic decays at mid-rapidity, |eta|<0.8, in the transverse momentum interval 1<p_{T}<24 GeV/c. The v_{2} coefficient is found to be sensitive to the event-shape selection confirming a correlation between the D-meson azimuthal anisotropy and the collective expansion of the bulk matter, while the per-event D-meson yields do not show any significant modification within the current uncertainties.

  • Table 1

    Data from Figure 5 left panel (red squares)

    10.17182/hepdata.88897.v1/t1

    v_{2}{EP} vs. p_{T} of prompt D0 mesons in Pb-Pb collisions at sqrt{s_{NN}}=5.02 TeV in the centrality class 10-30% in the...

  • Table 2

    Data from Figure 5 middle panel (green triangles)

    10.17182/hepdata.88897.v1/t2

    v_{2}{EP} vs. p_{T} of prompt D+ mesons in Pb-Pb collisions at sqrt{s_{NN}}=5.02 TeV in the centrality class 10-30% in the...

  • Table 3

    Data from Figure 5 right panel (blue circles)

    10.17182/hepdata.88897.v1/t3

    v_{2}{EP} vs. p_{T} of prompt D*+ mesons in Pb-Pb collisions at sqrt{s_{NN}}=5.02 TeV in the centrality class 10-30% in the...

  • Table 4

    Data from Figure 6 left panel (black circles)

    10.17182/hepdata.88897.v1/t4

    v_{2}{EP} vs. p_{T} of average prompt D0, D+, D*+ mesons in Pb-Pb collisions at sqrt{s_{NN}}=5.02 TeV in the centrality class...

  • Table 5

    Data from Figure 7 top left panel (light red squares)

    10.17182/hepdata.88897.v1/t5

    v_{2}{EP} vs. p_{T} of prompt D0 mesons in Pb-Pb collisions at sqrt{s_{NN}}=5.02 TeV in the centrality class 10-30% in the...

  • Table 6

    Data from Figure 7 top left panel (dark red squares)

    10.17182/hepdata.88897.v1/t6

    v_{2}{EP} vs. p_{T} of prompt D0 mesons in Pb-Pb collisions at sqrt{s_{NN}}=5.02 TeV in the centrality class 10-30% in the...

  • Table 7

    Data from Figure 7 top right panel (light green triangles)

    10.17182/hepdata.88897.v1/t7

    v_{2}{EP} vs. p_{T} of prompt D+ mesons in Pb-Pb collisions at sqrt{s_{NN}}=5.02 TeV in the centrality class 10-30% in the...

  • Table 8

    Data from Figure 7 top right panel (dark green triangles)

    10.17182/hepdata.88897.v1/t8

    v_{2}{EP} vs. p_{T} of prompt D+ mesons in Pb-Pb collisions at sqrt{s_{NN}}=5.02 TeV in the centrality class 10-30% in the...

  • Table 9

    Data from Figure 7 bottom left panel (light red squares)

    10.17182/hepdata.88897.v1/t9

    v_{2}{EP} vs. p_{T} of prompt D0 mesons in Pb-Pb collisions at sqrt{s_{NN}}=5.02 TeV in the centrality class 30-50% in the...

  • Table 10

    Data from Figure 7 bottom left panel (dark red squares)

    10.17182/hepdata.88897.v1/t10

    v_{2}{EP} vs. p_{T} of prompt D0 mesons in Pb-Pb collisions at sqrt{s_{NN}}=5.02 TeV in the centrality class 30-50% in the...

  • Table 11

    Data from Figure 7 bottom right panel (light green triangles)

    10.17182/hepdata.88897.v1/t11

    v_{2}{EP} vs. p_{T} of prompt D+ mesons in Pb-Pb collisions at sqrt{s_{NN}}=5.02 TeV in the centrality class 30-50% in the...

  • Table 12

    Data from Figure 7 bottom right panel (dark green triangles)

    10.17182/hepdata.88897.v1/t12

    v_{2}{EP} vs. p_{T} of prompt D+ mesons in Pb-Pb collisions at sqrt{s_{NN}}=5.02 TeV in the centrality class 30-50% in the...

  • Table 13

    Data from Figure 8 top left panel (blue diamonds)

    10.17182/hepdata.88897.v1/t13

    v_{2}{EP} vs. p_{T} of average prompt D0, D+ mesons in Pb-Pb collisions at sqrt{s_{NN}}=5.02 TeV in the centrality class 10-30%...

  • Table 14

    Data from Figure 8 top left panel (red squares)

    10.17182/hepdata.88897.v1/t14

    v_{2}{EP} vs. p_{T} of average prompt D0, D+ mesons in Pb-Pb collisions at sqrt{s_{NN}}=5.02 TeV in the centrality class 10-30%...

  • Table 15

    Data from Figure 8 top right panel (blue diamonds)

    10.17182/hepdata.88897.v1/t15

    v_{2}{EP} vs. p_{T} of average prompt D0, D+ mesons in Pb-Pb collisions at sqrt{s_{NN}}=5.02 TeV in the centrality class 30-50%...

  • Table 16

    Data from Figure 8 top right panel (red squares)

    10.17182/hepdata.88897.v1/t16

    v_{2}{EP} vs. p_{T} of average prompt D0, D+ mesons in Pb-Pb collisions at sqrt{s_{NN}}=5.02 TeV in the centrality class 30-50%...

  • Table 17

    Data from Figure 8 bottom left panel (blue diamonds)

    10.17182/hepdata.88897.v1/t17

    Ratio of v_{2}{EP} in the 60% small-q_{2}^{TPC} sample to the unbiased sample vs. p_{T} of average prompt D0, D+ mesons...

  • Table 18

    Data from Figure 8 bottom left panel (red squares)

    10.17182/hepdata.88897.v1/t18

    Ratio of v_{2}{EP} in the 20% large-q_{2}^{TPC} sample to the unbiased sample vs. p_{T} of average prompt D0, D+ mesons...

  • Table 19

    Data from Figure 8 bottom right panel (blue diamonds)

    10.17182/hepdata.88897.v1/t19

    Ratio of v_{2}{EP} in the 60% small-q_{2}^{TPC} sample to the unbiased sample vs. p_{T} of average prompt D0, D+ mesons...

  • Table 20

    Data from Figure 8 bottom right panel (red squares)

    10.17182/hepdata.88897.v1/t20

    Ratio of v_{2}{EP} in the 20% large-q_{2}^{TPC} sample to the unbiased sample vs. p_{T} of average prompt D0, D+ mesons...

  • Table 21

    Data from Figure 9 top left panel (light blue diamonds)

    10.17182/hepdata.88897.v1/t21

    v_{2}{EP} vs. p_{T} of average prompt D0, D+ mesons in Pb-Pb collisions at sqrt{s_{NN}}=5.02 TeV in the centrality class 10-30%...

  • Table 22

    Data from Figure 9 top left panel (light red squares)

    10.17182/hepdata.88897.v1/t22

    v_{2}{EP} vs. p_{T} of average prompt D0, D+ mesons in Pb-Pb collisions at sqrt{s_{NN}}=5.02 TeV in the centrality class 10-30%...

  • Table 23

    Data from Figure 9 top right panel (light blue diamonds)

    10.17182/hepdata.88897.v1/t23

    v_{2}{EP} vs. p_{T} of average prompt D0, D+ mesons in Pb-Pb collisions at sqrt{s_{NN}}=5.02 TeV in the centrality class 30-50%...

  • Table 24

    Data from Figure 9 top right panel (light red squares)

    10.17182/hepdata.88897.v1/t24

    v_{2}{EP} vs. p_{T} of average prompt D0, D+ mesons in Pb-Pb collisions at sqrt{s_{NN}}=5.02 TeV in the centrality class 30-50%...

  • Table 25

    Data from Figure 9 bottom left panel (light blue diamonds)

    10.17182/hepdata.88897.v1/t25

    Ratio of v_{2}{EP} in the 60% small-q_{2}^{V0A} sample to the unbiased sample vs. p_{T} of average prompt D0, D+ mesons...

  • Table 26

    Data from Figure 9 bottom left panel (light red squares)

    10.17182/hepdata.88897.v1/t26

    Ratio of v_{2}{EP} in the 20% large-q_{2}^{V0A} sample to the unbiased sample vs. p_{T} of average prompt D0, D+ mesons...

  • Table 27

    Data from Figure 9 bottom right panel (light blue diamonds)

    10.17182/hepdata.88897.v1/t27

    Ratio of v_{2}{EP} in the 60% small-q_{2}^{V0A} sample to the unbiased sample vs. p_{T} of average prompt D0, D+ mesons...

  • Table 28

    Data from Figure 9 bottom right panel (light red squares)

    10.17182/hepdata.88897.v1/t28

    Ratio of v_{2}{EP} in the 20% large-q_{2}^{V0A} sample to the unbiased sample vs. p_{T} of average prompt D0, D+ mesons...

  • Table 29

    Data from Figure 9 top left panel (black stars)

    10.17182/hepdata.88897.v1/t29

    v_{2}{SP} vs. p_{T} of charged particles in Pb-Pb collisions at sqrt{s_{NN}}=5.02 TeV in the centrality class 10-30% in the rapidity...

  • Table 30

    Data from Figure 9 top left panel (dark blue crosses)

    10.17182/hepdata.88897.v1/t30

    v_{2}{SP} vs. p_{T} of charged particles in Pb-Pb collisions at sqrt{s_{NN}}=5.02 TeV in the centrality class 10-30% in the 60%...

  • Table 31

    Data from Figure 9 top left panel (dark red stars)

    10.17182/hepdata.88897.v1/t31

    v_{2}{SP} vs. p_{T} of charged particles in Pb-Pb collisions at sqrt{s_{NN}}=5.02 TeV in the centrality class 10-30% in the 20%...

  • Table 32

    Data from Figure 9 top right panel (black stars)

    10.17182/hepdata.88897.v1/t32

    v_{2}{SP} vs. p_{T} of charged particles in Pb-Pb collisions at sqrt{s_{NN}}=5.02 TeV in the centrality class 30-50% in the rapidity...

  • Table 33

    Data from Figure 9 top right panel (dark blue crosses)

    10.17182/hepdata.88897.v1/t33

    v_{2}{SP} vs. p_{T} of charged particles in Pb-Pb collisions at sqrt{s_{NN}}=5.02 TeV in the centrality class 30-50% in the 60%...

  • Table 34

    Data from Figure 9 top right panel (dark red stars)

    10.17182/hepdata.88897.v1/t34

    v_{2}{SP} vs. p_{T} of charged particles in Pb-Pb collisions at sqrt{s_{NN}}=5.02 TeV in the centrality class 30-50% in the 20%...

  • Table 35

    Data from Figure 9 bottom left panel (dark blue crosses)

    10.17182/hepdata.88897.v1/t35

    Ratio of v_{2}{SP} in the 60% small-q_{2}^{V0A} sample to the unbiased sample vs. p_{T} of charged particles in Pb-Pb collisions...

  • Table 36

    Data from Figure 9 bottom left panel (dark red stars)

    10.17182/hepdata.88897.v1/t36

    Ratio of v_{2}{SP} in the 20% large-q_{2}^{V0A} sample to the unbiased sample vs. p_{T} of charged particles in Pb-Pb collisions...

  • Table 37

    Data from Figure 9 bottom right panel (dark blue crosses)

    10.17182/hepdata.88897.v1/t37

    Ratio of v_{2}{SP} in the 60% small-q_{2}^{V0A} sample to the unbiased sample vs. p_{T} of charged particles in Pb-Pb collisions...

  • Table 38

    Data from Figure 9 bottom right panel (dark red stars)

    10.17182/hepdata.88897.v1/t38

    Ratio of v_{2}{SP} in the 20% large-q_{2}^{V0A} sample to the unbiased sample vs. p_{T} of charged particles in Pb-Pb collisions...

  • Table 39

    Data from Figure 10 top left panel (red squares)

    10.17182/hepdata.88897.v1/t39

    Ratio of the p_{T} distribution in the 60% small-q_{2}^{TPC} sample to the unbiased sample of prompt D0 mesons in Pb-Pb...

  • Table 40

    Data from Figure 10 top left panel (green triangles)

    10.17182/hepdata.88897.v1/t40

    Ratio of the p_{T} distribution in the 60% small-q_{2}^{TPC} sample to the unbiased sample of prompt D+ mesons in Pb-Pb...

  • Table 41

    Data from Figure 10 top right panel (red squares)

    10.17182/hepdata.88897.v1/t41

    Ratio of the p_{T} distribution in the 20% large-q_{2}^{TPC} sample to the unbiased sample of prompt D0 mesons in Pb-Pb...

  • Table 42

    Data from Figure 10 top right panel (green triangles)

    10.17182/hepdata.88897.v1/t42

    Ratio of the p_{T} distribution in the 20% large-q_{2}^{TPC} sample to the unbiased sample of prompt D+ mesons in Pb-Pb...

  • Table 43

    Data from Figure 10 bottom left panel (red squares)

    10.17182/hepdata.88897.v1/t43

    Ratio of the p_{T} distribution in the 60% small-q_{2}^{TPC} sample to the unbiased sample of prompt D0 mesons in Pb-Pb...

  • Table 44

    Data from Figure 10 bottom left panel (green triangles)

    10.17182/hepdata.88897.v1/t44

    Ratio of the p_{T} distribution in the 60% small-q_{2}^{TPC} sample to the unbiased sample of prompt D+ mesons in Pb-Pb...

  • Table 45

    Data from Figure 10 bottom right panel (red squares)

    10.17182/hepdata.88897.v1/t45

    Ratio of the p_{T} distribution in the 20% large-q_{2}^{TPC} sample to the unbiased sample of prompt D0 mesons in Pb-Pb...

  • Table 46

    Data from Figure 10 bottom right panel (green triangles)

    10.17182/hepdata.88897.v1/t46

    Ratio of the p_{T} distribution in the 20% large-q_{2}^{TPC} sample to the unbiased sample of prompt D+ mesons in Pb-Pb...

  • Table 47

    Data from Figure 11 left panel (blue diamonds)

    10.17182/hepdata.88897.v1/t47

    Ratio of the p_{T} distribution in the 60% small-q_{2}^{TPC} sample to the unbiased sample of average prompt D0, D+ mesons...

  • Table 48

    Data from Figure 11 left panel (red squares)

    10.17182/hepdata.88897.v1/t48

    Ratio of the p_{T} distribution in the 20% large-q_{2}^{TPC} sample to the unbiased sample of average prompt D0, D+ mesons...

  • Table 49

    Data from Figure 11 right panel (blue diamonds)

    10.17182/hepdata.88897.v1/t49

    Ratio of the p_{T} distribution in the 60% small-q_{2}^{TPC} sample to the unbiased sample of average prompt D0, D+ mesons...

  • Table 50

    Data from Figure 11 right panel (red squares)

    10.17182/hepdata.88897.v1/t50

    Ratio of the p_{T} distribution in the 20% large-q_{2}^{TPC} sample to the unbiased sample of average prompt D0, D+ mesons...

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