Name: Measurements of second-harmonic Fourier coefficients from azimuthal anisotropies in $p+p, p$+Au $d$+Au, and $^3$He + Au collisions at $\sqrt{s_{_{NN}}}=200$ GeV
Creator: PHENIX Collaboration
Published: 2023

Abstract (data abstract)

Recently, the PHENIX Collaboration has published second- and third-harmonic Fourier coefficients $v_2$ and $v_3$ for midrapidity ($|\eta|<0.35$) charged hadrons in 0\%--5\% central $p$$+$Au, $d$$+$Au, and $^3$He$+$Au collisions at $\sqrt{s_{_{NN}}}=200$ GeV utilizing three sets of two-particle correlations for two detector combinations with different pseudorapidity acceptance [Phys. Rev. C {\bf 105}, 024901 (2022)]. This paper extends these measurements of $v_2$ to all centralities in $p$$+$Au, $d$$+$Au, and $^3$He$+$Au collisions, as well as $p$$+$$p$ collisions, as a function of transverse momentum ($p_T$) and event multiplicity. The kinematic dependence of $v_2$ is quantified as the ratio $R$ of $v_2$ between the two detector combinations as a function of event multiplicity for $0.5$$<$$p_T$$<$$1$ and $2$$<$$p_T$$<$$2.5$ GeV/$c$. A multiphase-transport (AMPT) model can reproduce the observed $v_2$ in most-central to midcentral $d$$+$Au and $^3$He$+$Au collisions. However, the AMPT model systematically overestimates the measurements in $p$$+$$p$, $p$$+$Au, and peripheral $d$$+$Au and $^3$He$+$Au collisions, indicating a higher nonflow contribution in AMPT than in the experimental data. The AMPT model fails to describe the observed $R$ for $0.5$$<$$p_T$$<$$1$ GeV/$c$, but there is qualitative agreement with the measurements for $2$$<$$p_T$$<$$2.5$ GeV/$c$.

Figure 4.0

Data from Figure 4

10.17182/hepdata.136560.v1/t1

Azimuthal anisotropy $v_2\{BB\}$ as a function of transverse momentum $p_T$ in $p$+Au collisions at $\sqrt{s_{NN}} =$ 200 GeV.
Figure 4.1

Data from Figure 4

10.17182/hepdata.136560.v1/t2

Azimuthal anisotropy $v_2\{BF\}$ as a function of transverse momentum $p_T$ in $p$+Au collisions at $\sqrt{s_{NN}} =$ 200 GeV.
Figure 5.0

Data from Figure 5.0

10.17182/hepdata.136560.v1/t3

Azimuthal anisotropy $v_2\{BB\}$ as a function of transverse momentum $p_T$ in $d$+Au collisions at $\sqrt{s_{NN}} =$ 200 GeV.
Figure 5.1

Data from Figure 5.1

10.17182/hepdata.136560.v1/t4

Azimuthal anisotropy $v_2\{BF\}$ as a function of transverse momentum $p_T$ in $d$+Au collisions at $\sqrt{s_{NN}} =$ 200 GeV.
Figure 6.0

Data from Figure 6.0

10.17182/hepdata.136560.v1/t5

Azimuthal anisotropy $v_2\{BB\}$ as a function of transverse momentum $p_T$ in $^3$He+Au collisions at $\sqrt{s_{NN}} =$ 200 GeV.
Figure 6.1

Data from Figure 6.1

10.17182/hepdata.136560.v1/t6

Azimuthal anisotropy $v_2\{BF\}$ as a function of transverse momentum $p_T$ in $^3$He+Au collisions at $\sqrt{s_{NN}} =$ 200 GeV.
Figure 7.0

Data from Figure 7.0

10.17182/hepdata.136560.v1/t7

Azimuthal anisotropy $v_2$ as a function of transverse momentum $p_T$ in $p$+$p$ collisions at $\sqrt{s_{NN}} =$ 200 GeV.
Figure 8.0

Data from Figure 8.0

10.17182/hepdata.136560.v1/t8

Azimuthal anisotropy $v_2$ as a function of centrality in $p$+Au collisions at $\sqrt{s_{NN}} =$ 200 GeV.
Figure 8.1

Data from Figure 8.1

10.17182/hepdata.136560.v1/t9

Azimuthal anisotropy $v_2$ as a function of centrality in $d$+Au collisions at $\sqrt{s_{NN}} =$ 200 GeV.
Figure 8.2

Data from Figure 8.2

10.17182/hepdata.136560.v1/t10

Azimuthal anisotropy $v_2$ as a function of centrality in $^3$He+Au collisions at $\sqrt{s_{NN}} =$ 200 GeV.
Figure 9.0

Data from Figure 9.0

10.17182/hepdata.136560.v1/t11

Azimuthal anisotropy $v_2$ as a function of charged particle multiplicity $dN_{ch}/d\eta$ in $p$+Au collisions at $\sqrt{s_{NN}} =$ 200 GeV.
Figure 9.1

Data from Figure 9.1

10.17182/hepdata.136560.v1/t12

Azimuthal anisotropy $v_2$ as a function of charged particle multiplicity $dN_{ch}/d\eta$ in $d$+Au collisions at $\sqrt{s_{NN}} =$ 200 GeV.
Figure 9.2

Data from Figure 9.2

10.17182/hepdata.136560.v1/t13

Azimuthal anisotropy $v_2$ as a function of charged particle multiplicity $dN_{ch}/d\eta$ in $^3$He+Au collisions at $\sqrt{s_{NN}} =$ 200 GeV.
Figure 9.3

Data from Figure 9.3

10.17182/hepdata.136560.v1/t14

Azimuthal anisotropy $v_2$ as a function of charged particle multiplicity $dN_{ch}/d\eta$ in $p$+$p$ collisions at $\sqrt{s_{NN}} =$ 200 GeV.
Figure 10.0

Data from Figure 10.0

10.17182/hepdata.136560.v1/t15

Azimuthal anisotropy ratio $R=v_2\{BF\}/v_2\{BB\}$ as a function of charged particle multiplicity $dN_{ch}/d\eta$ in $p$+Au collisions at $\sqrt{s_{NN}} =$ 200 GeV.
Figure 10.1

Data from Figure 10.1

10.17182/hepdata.136560.v1/t16

Azimuthal anisotropy ratio $R=v_2\{BF\}/v_2\{BB\}$ as a function of charged particle multiplicity $dN_{ch}/d\eta$ in $d$+Au collisions at $\sqrt{s_{NN}} =$ 200 GeV.
Figure 10.2

Data from Figure 10.2

10.17182/hepdata.136560.v1/t17

Azimuthal anisotropy ratio $R=v_2\{BF\}/v_2\{BB\}$ as a function of charged particle multiplicity $dN_{ch}/d\eta$ in $^3$He+Au collisions at $\sqrt{s_{NN}} =$ 200 GeV.
Figure 10.3

Data from Figure 10.3

10.17182/hepdata.136560.v1/t18

Azimuthal anisotropy ratio $R=v_2\{BF\}/v_2\{BB\}$ as a function of charged particle multiplicity $dN_{ch}/d\eta$ in $p$+$p$ collisions at $\sqrt{s_{NN}} =$ 200 GeV.

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