Measurements of the elliptic and triangular azimuthal anisotropies in central $^{3}$He+Au, $d$+Au and $p$+Au collisions at $\mbox{$\sqrt{s_{\mathrm{NN}}}$}$ = 200 GeV

The STAR collaboration
Phys.Rev.Lett. 130 (2023) 242301, 2023.

Abstract (data abstract)
The elliptic ($v_2$) and triangular ($v_3$) azimuthal anisotropy coefficients in central $^{3}$He+Au, $d$+Au, and $p$+Au collisions at $\mbox{$\sqrt{s_{\mathrm{NN}}}$}$ = 200 GeV are measured as a function of transverse momentum ($p_{\mathrm{T}}$) at mid-rapidity ($|\eta|<$0.9), via the azimuthal angular correlation between two particles both at $|\eta|<$0.9. While the $v_2(p_{\mathrm{T}})$ values depend on the colliding systems, the $v_3(p_{\mathrm{T}})$ values are system-independent within the uncertainties, suggesting an influence on eccentricity from sub-nucleonic fluctuations in these small-sized systems. These results also provide stringent constraints for the hydrodynamic modeling of these systems.

  • Figure 3_a_b

    Data from Figure 3 (a) and (b) of Phys. Rev. Lett. 130, 242301

    10.17182/hepdata.134955.v1/t1

    v2 and v3 in 0-10% He+Au collisions at 200 GeV

  • Figure 3_c_d

    Data from Figure 3(c) and (d) of Phys. Rev. Lett. 130, 242301

    10.17182/hepdata.134955.v1/t2

    v2 and v3 in 0-10% d+Au collisions at 200 GeV

  • Figure 3_e_f

    Data from Figure 3(e) and (f) of Phys. Rev. Lett. 130, 242301

    10.17182/hepdata.134955.v1/t3

    v2 and v3 in UC p+Au collisions at 200 GeV

  • Figure 4_a

    Data from Figure 4(a) of Phys. Rev. Lett. 130, 242301

    10.17182/hepdata.134955.v1/t4

    v2 ratio of 10-20%HeAu/0-10%dAu and UC pAu/0-10%dAu

  • Figure 4_b

    Data from Figiure 4(b) of Phys. Rev. Lett. 130, 242301

    10.17182/hepdata.134955.v1/t5

    v3 ratio of 10-20%HeAu/0-10%dAu and UC pAu/0-10%dAu

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