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Beam-Energy Dependence of Directed Flow of $\Lambda$, $\bar{\Lambda}$, $K^\pm$, $K^0_s$ and $\phi$ in Au+Au Collisions

The STAR collaboration
Phys.Rev.Lett. 120 (2018) 062301, 2018.

Abstract (data abstract)
Rapidity-odd directed-flow measurements at midrapidity are presented for $\Lambda$, $\overline{\Lambda}$, $K^\pm$, $K^0_s$ and $\phi$ at $\sqrt{s_{NN}} =$ 7.7, 11.5, 14.5, 19.6, 27, 39, 62.4 and 200 GeV in Au+Au collisions recorded by the Solenoidal Tracker detector at the Relativistic Heavy Ion Collider. These measurements greatly expand the scope of data available to constrain models with differing prescriptions for the equation of state of quantum chromodynamics. Results show good sensitivity for testing a picture where flow is assumed to be imposed before hadron formation and the observed particles are assumed to form via coalescence of constituent quarks. The pattern of departure from a coalescence-inspired sum-rule can be a valuable new tool for probing the collision dynamics.

  • Figure 1.0.0

    Data from Figure 1.0.0

    10.17182/hepdata.101750.v1/t1

    Directed flow $v_1$ as a function of rapidity $y$ for $p$ in 5%–10% central Au+Au collisions at $\sqrt{s_{NN}} =$ 7.7,...

  • Figure 1.0.1.0

    Data from Figure 1.0.1.0

    10.17182/hepdata.101750.v1/t2

    Directed flow $v_1$ as a function of rapidity $y$ for $p$ in 10%–40% central Au+Au collisions at $\sqrt{s_{NN}} =$ 7.7,...

  • Figure 1.0.1.1

    Data from Figure 1.0.1.1

    10.17182/hepdata.101750.v1/t3

    Directed flow $v_1$ as a function of rapidity $y$ for $p$ in 10%–40% central Au+Au collisions at $\sqrt{s_{NN}} =$ 62.4...

  • Figure 1.0.2

    Data from Figure 1.0.2

    10.17182/hepdata.101750.v1/t4

    Directed flow $v_1$ as a function of rapidity $y$ for $p$ in 40%–80% central Au+Au collisions at $\sqrt{s_{NN}} =$ 7.7,...

  • Figure 1.1.0

    Data from Figure 1.1.0

    10.17182/hepdata.101750.v1/t5

    Directed flow $v_1$ as a function of rapidity $y$ for $\bar{p}$ in 5%–10% central Au+Au collisions at $\sqrt{s_{NN}} =$ 7.7,...

  • Figure 1.1.1.0

    Data from Figure 1.1.1.0

    10.17182/hepdata.101750.v1/t6

    Directed flow $v_1$ as a function of rapidity $y$ for $\bar{p}$ in 10%–40% central Au+Au collisions at $\sqrt{s_{NN}} =$ 7.7,...

  • Figure 1.1.1.1

    Data from Figure 1.1.1.1

    10.17182/hepdata.101750.v1/t7

    Directed flow $v_1$ as a function of rapidity $y$ for $\bar{p}$ in 10%–40% central Au+Au collisions at $\sqrt{s_{NN}} =$ 62.4...

  • Figure 1.1.2

    Data from Figure 1.1.2

    10.17182/hepdata.101750.v1/t8

    Directed flow $v_1$ as a function of rapidity $y$ for $\bar{p}$ in 40%–80% central Au+Au collisions at $\sqrt{s_{NN}} =$ 7.7,...

  • Figure 1.2.0

    Data from Figure 1.2.0

    10.17182/hepdata.101750.v1/t9

    Directed flow $v_1$ as a function of rapidity $y$ for $\pi^{+}$ in 5%–10% central Au+Au collisions at $\sqrt{s_{NN}} =$ 7.7,...

  • Figure 1.2.1.0

    Data from Figure 1.2.1.0

    10.17182/hepdata.101750.v1/t10

    Directed flow $v_1$ as a function of rapidity $y$ for $\pi^{+}$ in 10%–40% central Au+Au collisions at $\sqrt{s_{NN}} =$ 7.7,...

  • Figure 1.2.1.1

    Data from Figure 1.2.1.1

    10.17182/hepdata.101750.v1/t11

    Directed flow $v_1$ as a function of rapidity $y$ for $\pi^{+}$ in 10%–40% central Au+Au collisions at $\sqrt{s_{NN}} =$ 62.4...

  • Figure 1.2.2

    Data from Figure 1.2.2

    10.17182/hepdata.101750.v1/t12

    Directed flow $v_1$ as a function of rapidity $y$ for $\pi^{+}$ in 40%–80% central Au+Au collisions at $\sqrt{s_{NN}} =$ 7.7,...

  • Figure 1.3.0

    Data from Figure 1.3.0

    10.17182/hepdata.101750.v1/t13

    Directed flow $v_1$ as a function of rapidity $y$ for $\pi^{-}$ in 5%–10% central Au+Au collisions at $\sqrt{s_{NN}} =$ 7.7,...

  • Figure 1.3.1.0

    Data from Figure 1.3.1.0

    10.17182/hepdata.101750.v1/t14

    Directed flow $v_1$ as a function of rapidity $y$ for $\pi^{-}$ in 10%–40% central Au+Au collisions at $\sqrt{s_{NN}} =$ 7.7,...

  • Figure 1.3.1.1

    Data from Figure 1.3.1.1

    10.17182/hepdata.101750.v1/t15

    Directed flow $v_1$ as a function of rapidity $y$ for $\pi^{-}$ in 10%–40% central Au+Au collisions at $\sqrt{s_{NN}} =$ 62.4...

  • Figure 1.3.2

    Data from Figure 1.3.2

    10.17182/hepdata.101750.v1/t16

    Directed flow $v_1$ as a function of rapidity $y$ for $\pi^{-}$ in 40%–80% central Au+Au collisions at $\sqrt{s_{NN}} =$ 7.7,...

  • Figure 1.4.0

    Data from Figure 1.4.0

    10.17182/hepdata.101750.v1/t17

    Directed flow $v_1$ as a function of rapidity $y$ for $K^{+}$ in 5%–10% central Au+Au collisions at $\sqrt{s_{NN}} =$ 7.7,...

  • Figure 1.4.1.0

    Data from Figure 1.4.1.0

    10.17182/hepdata.101750.v1/t18

    Directed flow $v_1$ as a function of rapidity $y$ for $K^{+}$ in 10%–40% central Au+Au collisions at $\sqrt{s_{NN}} =$ 7.7,...

  • Figure 1.4.1.1

    Data from Figure 1.4.1.1

    10.17182/hepdata.101750.v1/t19

    Directed flow $v_1$ as a function of rapidity $y$ for $K^{+}$ in 10%–40% central Au+Au collisions at $\sqrt{s_{NN}} =$ 62.4...

  • Figure 1.4.2

    Data from Figure 1.4.2

    10.17182/hepdata.101750.v1/t20

    Directed flow $v_1$ as a function of rapidity $y$ for $K^{+}$ in 40%–80% central Au+Au collisions at $\sqrt{s_{NN}} =$ 7.7,...

  • Figure 1.5.0

    Data from Figure 1.5.0

    10.17182/hepdata.101750.v1/t21

    Directed flow $v_1$ as a function of rapidity $y$ for $K^{-}$ in 5%–10% central Au+Au collisions at $\sqrt{s_{NN}} =$ 7.7,...

  • Figure 1.5.1.0

    Data from Figure 1.5.1.0

    10.17182/hepdata.101750.v1/t22

    Directed flow $v_1$ as a function of rapidity $y$ for $K^{-}$ in 10%–40% central Au+Au collisions at $\sqrt{s_{NN}} =$ 7.7,...

  • Figure 1.5.1.1

    Data from Figure 1.5.1.1

    10.17182/hepdata.101750.v1/t23

    Directed flow $v_1$ as a function of rapidity $y$ for $K^{-}$ in 10%–40% central Au+Au collisions at $\sqrt{s_{NN}} =$ 62.4...

  • Figure 1.5.2

    Data from Figure 1.5.2

    10.17182/hepdata.101750.v1/t24

    Directed flow $v_1$ as a function of rapidity $y$ for $K^{-}$ in 40%–80% central Au+Au collisions at $\sqrt{s_{NN}} =$ 7.7,...

  • Figure 1.6.0

    Data from Figure 1.6.0

    10.17182/hepdata.101750.v1/t25

    Directed flow $v_1$ as a function of rapidity $y$ for $K_0^s$ in 5%–10% central Au+Au collisions at $\sqrt{s_{NN}} =$ 7.7,...

  • Figure 1.6.1.0

    Data from Figure 1.6.1.0

    10.17182/hepdata.101750.v1/t26

    Directed flow $v_1$ as a function of rapidity $y$ for $K_0^s$ in 10%–40% central Au+Au collisions at $\sqrt{s_{NN}} =$ 7.7,...

  • Figure 1.6.1.1

    Data from Figure 1.6.1.1

    10.17182/hepdata.101750.v1/t27

    Directed flow $v_1$ as a function of rapidity $y$ for $K_0^s$ in 10%–40% central Au+Au collisions at $\sqrt{s_{NN}} =$ 62.4...

  • Figure 1.6.2

    Data from Figure 1.6.2

    10.17182/hepdata.101750.v1/t28

    Directed flow $v_1$ as a function of rapidity $y$ for $K_0^s$ in 40%–80% central Au+Au collisions at $\sqrt{s_{NN}} =$ 7.7,...

  • Figure 1.7.0

    Data from Figure 1.7.0

    10.17182/hepdata.101750.v1/t29

    Directed flow $v_1$ as a function of rapidity $y$ for $\Lambda$ in 5%–10% central Au+Au collisions at $\sqrt{s_{NN}} =$ 7.7,...

  • Figure 1.7.1.0

    Data from Figure 1.7.1.0

    10.17182/hepdata.101750.v1/t30

    Directed flow $v_1$ as a function of rapidity $y$ for $\Lambda$ in 10%–40% central Au+Au collisions at $\sqrt{s_{NN}} =$ 7.7,...

  • Figure 1.7.1.1

    Data from Figure 1.7.1.1

    10.17182/hepdata.101750.v1/t31

    Directed flow $v_1$ as a function of rapidity $y$ for $\Lambda$ in 10%–40% central Au+Au collisions at $\sqrt{s_{NN}} =$ 62.4...

  • Figure 1.7.2

    Data from Figure 1.7.2

    10.17182/hepdata.101750.v1/t32

    Directed flow $v_1$ as a function of rapidity $y$ for $\Lambda$ in 40%–80% central Au+Au collisions at $\sqrt{s_{NN}} =$ 7.7,...

  • Figure 1.8.0

    Data from Figure 1.8.0

    10.17182/hepdata.101750.v1/t33

    Directed flow $v_1$ as a function of rapidity $y$ for $\bar{\Lambda}$ in 5%–10% central Au+Au collisions at $\sqrt{s_{NN}} =$ 7.7,...

  • Figure 1.8.1.0

    Data from Figure 1.8.1.0

    10.17182/hepdata.101750.v1/t34

    Directed flow $v_1$ as a function of rapidity $y$ for $\bar{\Lambda}$ in 10%–40% central Au+Au collisions at $\sqrt{s_{NN}} =$ 7.7,...

  • Figure 1.8.1.1

    Data from Figure 1.8.1.1

    10.17182/hepdata.101750.v1/t35

    Directed flow $v_1$ as a function of rapidity $y$ for $\bar{\Lambda}$ in 10%–40% central Au+Au collisions at $\sqrt{s_{NN}} =$ 62.4...

  • Figure 1.8.2

    Data from Figure 1.8.2

    10.17182/hepdata.101750.v1/t36

    Directed flow $v_1$ as a function of rapidity $y$ for $\bar{\Lambda}$ in 40%–80% central Au+Au collisions at $\sqrt{s_{NN}} =$ 7.7,...

  • Figure 1.9.0.0

    Data from Figure 1.9.0.0

    10.17182/hepdata.101750.v1/t37

    Directed flow $v_1$ as a function of rapidity $y$ for $\phi$ in 5%–10% central Au+Au collisions at $\sqrt{s_{NN}} =$ 7.7...

  • Figure 1.9.0.1

    Data from Figure 1.9.0.1

    10.17182/hepdata.101750.v1/t38

    Directed flow $v_1$ as a function of rapidity $y$ for $\phi$ in 5%–10% central Au+Au collisions at $\sqrt{s_{NN}} =$ 11.5,...

  • Figure 1.9.0.2

    Data from Figure 1.9.0.2

    10.17182/hepdata.101750.v1/t39

    Directed flow $v_1$ as a function of rapidity $y$ for $\phi$ in 5%–10% central Au+Au collisions at $\sqrt{s_{NN}} =$ 200...

  • Figure 1.9.1.0

    Data from Figure 1.9.1.0

    10.17182/hepdata.101750.v1/t40

    Directed flow $v_1$ as a function of rapidity $y$ for $\phi$ in 10%–40% central Au+Au collisions at $\sqrt{s_{NN}} =$ 7.7...

  • Figure 1.9.1.1

    Data from Figure 1.9.1.1

    10.17182/hepdata.101750.v1/t41

    Directed flow $v_1$ as a function of rapidity $y$ for $\phi$ in 10%–40% central Au+Au collisions at $\sqrt{s_{NN}} =$ 11.5,...

  • Figure 1.9.1.2

    Data from Figure 1.9.1.2

    10.17182/hepdata.101750.v1/t42

    Directed flow $v_1$ as a function of rapidity $y$ for $\phi$ in 10%–40% central Au+Au collisions at $\sqrt{s_{NN}} =$ 200...

  • Figure 1.9.2.0

    Data from Figure 1.9.2.0

    10.17182/hepdata.101750.v1/t43

    Directed flow $v_1$ as a function of rapidity $y$ for $\phi$ in 40%–80% central Au+Au collisions at $\sqrt{s_{NN}} =$ 7.7...

  • Figure 1.9.2.1

    Data from Figure 1.9.2.1

    10.17182/hepdata.101750.v1/t44

    Directed flow $v_1$ as a function of rapidity $y$ for $\phi$ in 40%–80% central Au+Au collisions at $\sqrt{s_{NN}} =$ 11.5,...

  • Figure 1.9.2.2

    Data from Figure 1.9.2.2

    10.17182/hepdata.101750.v1/t45

    Directed flow $v_1$ as a function of rapidity $y$ for $\phi$ in 40%–80% central Au+Au collisions at $\sqrt{s_{NN}} =$ 200...

  • Figure 2.0

    Data from Figure 2.0

    10.17182/hepdata.101750.v1/t46

    Directed flow slope $dv_1/dy$ as a function of beam energy in 10%–40% central Au+Au collisions.

  • Figure 2.1

    Data from Figure 2.1

    10.17182/hepdata.101750.v1/t47

    Directed flow slope $dv_1/dy$ as a function of beam energy in 10%–40% central Au+Au collisions.

  • Figure 2.2

    Data from Figure 2.2

    10.17182/hepdata.101750.v1/t48

    Directed flow slope $dv_1/dy$ as a function of beam energy in 10%–40% central Au+Au collisions.

  • Figure 3.0

    Data from Figure 3.0

    10.17182/hepdata.101750.v1/t49

    Directed flow slope $dv_1/dy$ as a function of beam energy in 10%–40% central Au+Au collisions.

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