The K$\pi$ pair invariant mass distribution integrated over the $K^{*0}$ $p_T$ for minimum bias Cu+Cu collisions at $\sqrt{s_{NN}}$ =62.4 GeV after mixed-event background subtraction.

The Kπ pair invariant mass distribution for various pT bins (top left) pT = 0.4–0.6 GeV/c in Au+Au collisions at √sNN = 200 GeV after the mixed-event background subtraction.

The Kπ pair invariant mass distribution for various pT bins (top right) pT = 0.6–0.8 GeV/c in Au+Au collisions at √sNN = 62.4 GeV after the mixed-event background subtraction.

The Kπ pair invariant mass distribution for various pT bins (bottom left) pT = 0.8–1.0 GeV/c in Au+Au collisions at √sNN = 200 GeV after the mixed-event background subtraction.

The Kπ pair invariant mass distribution for various pT bins (bottom right) pT = 1.0–1.2 GeV/c in Au+Au collisions at √sNN = 62.4 GeV after the mixed-event background subtraction.

The signal-to-background ratio for $K^{*0}$ measurements as a function of $p_T$ for different collision centrality bins (0-10%, 10-40%, 40-60%, 60-80%) in Au+Au collisions at 200 GeV.

$K^{*0}$ mass as a function of $p_T$ for minimum bias Au+Au collisions at $\sqrt{s_{NN}}$ = 62.4 GeV.

$K^{*0}$ mass as a function of $p_T$ for minimum bias Au+Au collisions at $\sqrt{s_{NN}}$ = 200 GeV.

$K^{*0}$ mass as a function of $p_T$ for minimum bias Cu+Cu collisions at $\sqrt{s_{NN}}$ = 62.4 GeV

$K^{*0}$ mass as a function of $p_T$ for minimum bias Cu+Cu collisions at $\sqrt{s_{NN}}$ = 200 GeV

$K^{*0}$ width as a function of $p_T$ for minimum bias Au+Au collisions at $\sqrt{s_{NN}}$ = 62.4 GeV

$K^{*0}$ width as a function of $p_T$ for minimum bias Au+Au collisions at $\sqrt{s_{NN}}$ = 200 GeV

$K^{*0}$ width as a function of $p_T$ for minimum bias Cu+Cu collisions at $\sqrt{s_{NN}}$ = 62.4 GeV

$K^{*0}$ width as a function of $p_T$ for minimum bias Cu+Cu collisions at $\sqrt{s_{NN}}$ = 200 GeV

The $K^{*0}$ reconstruction efficiency multiplied by the detector acceptance as a function of $p_T$ in Au+Au (|$\eta$| < 0.8) collisions at 200 GeV for different collision centrality bins (0-20% ,20-40% , 40-60%)

The $K^{*0}$ reconstruction efficiency multiplied by the detector acceptance as a function of $p_T$ in Cu+Cu (|$\eta$| < 1.0) collisions at 200 GeV for different collision centrality bins (0-20% ,20-40% , 40-60%)

Mid-rapidity $K^{*0}$ $p_T$ spectra for various collision centrality bins (0-20%, 20-40%, 40-60%, 60-80%) in Au+Au collisions at $\sqrt{s_{NN}}$ = 62.4 GeV

Mid-rapidity $K^{*0}$ $p_T$ spectra for various collision centrality bins (0-20%, 20-40%, 40-60%) in Cu+Cu collisions at $\sqrt{s_{NN}}$ = 62.4 GeV

Mid-rapidity $K^{*0}$ $p_T$ spectra for various collision centrality bins (0-20%, 20-40%, 40-60%, 60-80%) in Au+Au collisions at $\sqrt{s_{NN}}$ = 200 GeV

Mid-rapidity $K^{*0}$ $p_T$ spectra for various collision centrality bins (0-20%, 20-40%, 40-60%) in Cu+Cu collisions at $\sqrt{s_{NN}}$ = 200 GeV

The mid-rapidity yields dN/dy of $K^{*0}$ as a function of the average number of participating nucleons, $⟨N_{part}⟩$, for Au+Au collisions at $\sqrt{s_{NN}}$ = 62.4 GeV

The mid-rapidity yields dN/dy of $K^{*0}$ as a function of the average number of participating nucleons, $⟨N_{part}⟩$, for Cu+Cu collisions at $\sqrt{s_{NN}}$ = 62.4 GeV

The mid-rapidity yields dN/dy of $K^{*0}$ as a function of the average number of participating nucleons, $⟨N_{part}⟩$, for Au+Au collisions at $\sqrt{s_{NN}}$ = 200 GeV

The mid-rapidity yields dN/dy of $K^{*0}$ as a function of the average number of participating nucleons, $⟨N_{part}⟩$, for Cu+Cu collisions at $\sqrt{s_{NN}}$ = 200 GeV

The mid-rapidity $K^{*0}$ $⟨p_T⟩$ as a function $⟨N_{part}⟩$ for Au+Au collisions at $\sqrt{s_{NN}}$ = 62.4 GeV

The mid-rapidity $K^{*0}$ $⟨p_T⟩$ as a function $⟨N_{part}⟩$ for Cu+Cu collisions at $\sqrt{s_{NN}}$ = 62.4 GeV

The mid-rapidity $K^{*0}$ $⟨p_T⟩$ as a function $⟨N_{part}⟩$ for Au+Au collisions at $\sqrt{s_{NN}}$ = 200 GeV

The mid-rapidity $K^{*0}$ $⟨p_T⟩$ as a function $⟨N_{part}⟩$ for Cu+Cu collisions at $\sqrt{s_{NN}}$ = 200 GeV

The mid-rapidity $⟨p_T⟩$ of $\pi$, K, p and $K^{*0}$ as a function of $⟨N_{part}⟩$ for Au+Au collisions at $\sqrt{s_{NN}}$ = 62.4 GeV.

Mid-rapidity $N(K^{*0})/N(K^-)$ ratio for Au+Au at $\sqrt{s_{NN}}$ = 62.4 GeV as a function of $⟨N_{part}⟩$

Mid-rapidity $N(K^{*0})/N(K^-)$ ratio for Cu+Cu at $\sqrt{s_{NN}}$ = 62.4 GeV as a function of $⟨N_{part}⟩$

Mid-rapidity $N(K^{*0})/N(K^-)$ ratio for Au+Au at $\sqrt{s_{NN}}$ = 200 GeV as a function of $⟨N_{part}⟩$

Mid-rapidity $N(K^{*0})/N(K^-)$ ratio for Cu+Cu at $\sqrt{s_{NN}}$ = 200 GeV as a function of $⟨N_{part}⟩$

Mid-rapidity $N(K^{*0})N(K^-)$ in Au+Au collisions divided by $N(K^{*0})N(K^-)$ ratio in p+p collisions at $\sqrt{s_{NN}}$=200 GeV as a function of $⟨N_{part}⟩$.

Mid-rapidity $N(K^{*0})N(K^-)$ in Cu+Cu collisions divided by $N(K^{*0})N(K^-)$ ratio in p+p collisions at $\sqrt{s_{NN}}$=200 GeV as a function of $⟨N_{part}⟩$

Mid-rapidity $N(K^{*0})N(K^-)$ in d+Au collisions divided by $N(K^{*0})N(K^-)$ ratio in d+Au collisions at $\sqrt{s_{NN}}$=200 GeV as a function of $⟨N_{part}⟩$

Mid-rapidity $N(K^{*0})/N(K^-)$ ratio in minimum bias Au+Au collisions as a function of $\sqrt{s_{NN}}.

Mid-rapidity $N(K^{*0})/N(K^-)$ ratio in minimum bias Cu+Cu collisions as a function of $\sqrt{s_{NN}}.

Mid-rapidity $N(K^{*0})/N(K^-)$ ratio in minimum bias p+p collisions as a function of $\sqrt{s_{NN}}.

Mid-rapidity $N(K^{*0})/N(K^-)$ ratio in minimum bias Au+Au collisions as a function of $\sqrt{s_{NN}}.

Mid-rapidity $N(K^{*0})/N(K^-)$ ratio in minimum bias Cu+Cu collisions as a function of $\sqrt{s_{NN}}.

Mid-rapidity $N(K^{*0})/N(K^-)$ ratio in minimum bias p+p collisions as a function of $\sqrt{s_{NN}}.

Mid-rapidity $N(\phi)/N(K^{*0})$ ratio for Au+Au at $\sqrt{s_{NN}}$ = 62.4 GeV as a function of $⟨N_{part}⟩$

Mid-rapidity $N(\phi)/N(K^{*0})$ ratio for Cu+Cu at $\sqrt{s_{NN}}$ = 62.4 GeV as a function of $⟨N_{part}⟩$

Mid-rapidity $N(\phi)/N(K^{*0})$ ratio for Au+Au at $\sqrt{s_{NN}}$ = 200 GeV as a function of $⟨N_{part}⟩$

Mid-rapidity $N(\phi)/N(K^{*0})$ ratio for Cu+Cu at $\sqrt{s_{NN}}$ = 200 GeV as a function of $⟨N_{part}⟩$

Mid-rapidity $[N(\phi)/N(K^{*0})]$ in Au+Au collisions divided by $[N(\phi)/N(K^{*0})]$ ratio in p+p collisions at $\sqrt{s_{NN}}$=200 GeV as a function of $⟨N_{part}⟩$

Mid-rapidity $[N(\phi)/N(K^{*0})]$ in Cu+Cu collisions divided by $[N(\phi)/N(K^{*0})]$ ratio in p+p collisions at $\sqrt{s_{NN}}$=200 GeV as a function of $⟨N_{part}⟩$

Mid-rapidity $[N(\phi)/N(K^{*0})]$ in d+Au collisions divided by $[N(\phi)/N(K^{*0})]$ ratio in p+p collisions at $\sqrt{s_{NN}}$=200 GeV as a function of $⟨N_{part}⟩$

Mid-rapidity $N(\phi)/N(K^{*0})$ ratio in minimum bias Au+Au collisions as a function of $\sqrt{s_{NN}}$.

Mid-rapidity $N(\phi)/N(K^{*0})$ ratio in minimum bias Cu+Cu collisions as a function of $\sqrt{s_{NN}}$.

Mid-rapidity $N(\phi)/N(K^{*0})$ ratio in minimum bias p+p collisions as a function of $\sqrt{s_{NN}}$.

Mid-rapidity $N(\phi)/N(K^{*0})$ ratio in minimum bias Au+Au collisions as a function of $\sqrt{s_{NN}}$.

Mid-rapidity $N(\phi)/N(K^{*0})$ ratio in minimum bias Cu+Cu collisions as a function of $\sqrt{s_{NN}}$.

Mid-rapidity $N(\phi)/N(K^{*0})$ ratio in minimum bias p+p collisions as a function of $\sqrt{s_{NN}}$.

The $K^{*0}$ $v_2$ (Run IV) as a function of $p_T$ in minimum bias Au+Au collisions at $\sqrt{s_{NN}}$ = 200 GeV.

The $K^{*0}$ $v_2$ (Run II) as a function of $p_T$ in minimum bias Au+Au collisions at $\sqrt{s_{NN}}$ = 200 GeV.

The $K^{*0}$ $R_{CP}$ as a function of $p_T$ in Au+Au collisions at 62.4 and 200 GeV compared to the $R_{CP}$ of $K^0_S$ and $\Lambda$ at 200 GeV.

The $K^{*0}$ $R_{CP}$ as a function of $p_T$ in Au+Au collisions at 62.4 and 200 GeV compared to the $R_{CP}$ of $K^0_S$ and $\Lambda$ at 200 GeV.

The $K^{*0}$ $R_{CP}$ as a function of $p_T$ in Au+Au collisions at 62.4 and 200 GeV compared to the $R_{CP}$ of $K^0_S$ and $\Lambda$ at 200 GeV.

The $K^{*0}$ ~$R_{CP}$~ as a function of $p_T$ in Au+Au collisions at 62.4 and 200 GeV compared to the $R_{CP}$ of $K^0_S$ and $\Lambda$ at 200 GeV.

Comparison of dynamical $\langle p_{t}\rangle$ fluctuations in Au+Au and Cu+Cu collisions at $\sqrt{s_{NN}}$ = 62.4 and 200 GeV as a function of the number of participanting nucleons.

(a) $p_{t}$ correlations, (b) $p_{t}$ correlations multiplied by $\langle N_{part}\rangle/2$, (c) square root of $p_{t}$ correlations scaled by $\langle\langle p_{t}\rangle\rangle$, and (d) square root of $p_{t}$ correlations multiplied by $\langle N_{part}\rangle/2$ and scaled by $\langle\langle p_{t}\rangle\rangle$, plotted vs. $\langle N_{part}\rangle$

(a) $p_{t}$ correlations, (b) $p_{t}$ correlations multiplied by $\langle N_{part}\rangle/2$, (c) square root of $p_{t}$ correlations scaled by $\langle\langle p_{t}\rangle\rangle$, and (d) square root of $p_{t}$ correlations multiplied by $\langle N_{part}\rangle/2$ and scaled by $\langle\langle p_{t}\rangle\rangle$, plotted vs. $\langle N_{part}\rangle$

(a) $p_{t}$ correlations, (b) $p_{t}$ correlations multiplied by $\langle N_{part}\rangle/2$, (c) square root of $p_{t}$ correlations scaled by $\langle\langle p_{t}\rangle\rangle$, and (d) square root of $p_{t}$ correlations multiplied by $\langle N_{part}\rangle/2$ and scaled by $\langle\langle p_{t}\rangle\rangle$, plotted vs. $\langle N_{part}\rangle$

Comparison of scaled $p_{t}$ correlations between data and models for Au+Au [panels (a) and (c)] and Cu+Cu [panels (b) and (d)] collisions at 200 GeV.

Comparison of scaled $p_{t}$ correlations between data and models for Au+Au [panels (a) and (c)] and Cu+Cu [panels (b) and (d)] collisions at 200 GeV.

$p_{t}$ correlations for varying rapidity acceptance ($|\eta|$ <0.25, 0.5, and 1.0) for Cu+Cu collisions at $\sqrt{s_{NN}}$ = 200 GeV [panel (a)] and 62.4 GeV [panel (b)].

$p_{t}$ correlations for varying azimuthal acceptance for Cu+Cu collisions at $\sqrt{s_{NN}}$ = 200 GeV [panels (a) and (c)] and 62.4 GeV [panels (b) and (d)].

$p_{t}$ correlations for varying azimuthal acceptance for Cu+Cu collisions at $\sqrt{s_{NN}}$ = 200 GeV [panels (a) and (c)] and 62.4 GeV [panels (b) and (d)].

$p_{t}$ correlations plotted as a function of $\langle N_{part}\rangle$ for different $p_{t}$ ranges in Cu+Cu collisions at (a) 200 GeV and (b) 62.4 GeV.

$p_{t}$ correlations plotted as a function of $\langle N_{part}\rangle$ for different $p_{t}$ ranges in Cu+Cu collisions at (a) 200 GeV and (b) 62.4 GeV.

Correlations for varying $p_{t}$ ranges for different model calculations in Cu+Cu 200 GeV. (a) AMPT (SM), (b) URQMD, and (c) Hijing (no JQ).

Uncorrected inclusive charged particle $p_{t}$ spectrum for 0%–10% collision centrality for Cu+Cu 200 GeV (open circles).

Correlations scaled by $(d\langle p_{t}\rangle/dT)^{2}T^{2}$ vs. $\langle N_{part}\rangle$ for different $p_{t}$ ranges in Cu+Cu 200 GeV.

$\langle cos(\phi_{\alpha}+\phi_{\beta}−2\phi_{c})\rangle$ as a function of reference multiplicity for different charge combinations, after corrections for acceptance effects. In the legend the signs indicate the charge of particles $\alpha$, $\beta$, and c. The results shown are for Au+Au collisions at 200 GeV obtained in the Full Field.

$\langle cos(\phi_{\alpha}-\phi_{\beta})\rangle$ as a function of centrality for different charge combinations and FF and RFF configurations. The data points corresponding to different charge and field configurations are slightly shifted in the horizontal direction with respect to each other for clarity. The error bars are statistical. Also shown are model predictions described in Section VII.

A comparison of the correlations obtained by selecting the third particle from the main TPC or from the Forward TPCs. The TPC and FTPC points are shifted horizontally relative to one another for clarity purposes. The error bars are statistical.

A comparison of the correlations obtained by selecting the third particle from the main TPC or from the Forward TPCs after scaling by the flow of the third particle. The shaded areas represent the uncertainty from $v_{2,c}$ scaling (see text for details). The TPC and FTPC points are shifted horizontally relative to one another for clarity purposes. The error bars are statistical.

$\langle cos(\phi_{\alpha}+\phi_{\beta}−2\Psi_{RP})\rangle$ in Au+Au and Cu+Cu collisions at $\sqrt{s_{NN}}$ = 200 GeV calculated using Eq. 7. The error-bars show the statistical errors. The shaded area reflects the uncertainty in the elliptic flow values used in calculations, with lower (in magnitude) limit obtained with elliptic flow from two-particle correlations and upper limit from four-particle cumulants. For details, see Section IV. Thick solid (Au+Au) and dashed (Cu+Cu) lines represent possible non-reaction-plane dependent contribution from many-particle clusters as estimated by HIJING, see Section VII A.

$\langle cos(\phi_{\alpha}+\phi_{\beta}−2\Psi_{RP})\rangle$ in Au+Au and Cu+Cu collisions at $\sqrt{s_{NN}}$ = 62 GeV calculated using Eq. 7. The error-bars show the statistical errors. The shaded area reflects the uncertainty in the elliptic flow values used in calculations. For details, see Section IV. Thick solid (Au+Au) and dashed (Cu+Cu) lines represent possible non-reaction-plane dependent contribution from many-particle clusters as estimated by HIJING, see Section VII A.

Au+Au and Cu+Cu collisions at $\sqrt{s_{NN}}$ = 200 GeV. The correlations are scaled with the number of participants and are plotted as function of centrality. The error-bars indicate the statistical errors. The shaded area reflects the uncertainty in the elliptic flow values used in calculations. For details, see Section IV. Thick solid (Au+Au) and dashed (Cu+Cu) lines represent possible non-reaction-plane dependent contribution from many-particle clusters as estimated by HIJING, see Section VII A.

Au+Au and Cu+Cu collisions at $\sqrt{s_{NN}}$ = 200 GeV. The correlations are scaled with the number of participants and are plotted as function of number of participants. The error-bars indicate the statistical errors. The shaded area reflects the uncertainty in the elliptic flow values used in calculations. For details, see Section IV. Thick solid (Au+Au) and dashed (Cu+Cu) lines represent possible non-reaction-plane dependent contribution from many-particle clusters as estimated by HIJING, see Section VII A.

Au+Au at 200 GeV. The correlations dependence on pseudorapidity separation $\Delta\eta$ = |$\eta_{\alpha}$ − $\eta_{\beta}$| for centrality 30-50%. The shaded band indicates uncertainty associated with $v_{2}$ measurements and has been calculated using two- and four-particle cumulant results as the limits.

Au+Au at 200 GeV. The correlations dependence on pseudorapidity separation $\Delta\eta$ = |$\eta_{\alpha}$ − $\eta_{\beta}$| for centrality 10-30%. The shaded band indicates uncertainty associated with $v_{2}$ measurements and has been calculated using two- and four-particle cumulant results as the limits.

Au+Au at 200 GeV. The correlations dependence on (p$_{t,\alpha}$ + p$_{t,\beta}$)/2 for centrality 30-50%. The shaded band indicates uncertainty associated with $v_{2}$ measurements and has been calculated using two- and four-particle cumulant results as the limits.

Au+Au at 200 GeV. The correlations dependence on (p$_{t,\alpha}$ + p$_{t,\beta}$)/2 for centrality 10-30%. The shaded band indicates uncertainty associated with $v_{2}$ measurements and has been calculated using two- and four-particle cumulant results as the limits.

Au+Au at 200 GeV. The correlations dependence on |p$_{t,\alpha}$ - p$_{t,\beta}$| for centrality 30-50%. The shaded band indicates uncertainty associated with $v_{2}$ measurements and has been calculated using two- and four-particle cumulant results as the limits.

Au+Au at 200 GeV. The correlations dependence on |p$_{t,\alpha}$ - p$_{t,\beta}$| for centrality 10-30%. The shaded band indicates uncertainty associated with $v_{2}$ measurements and has been calculated using two- and four-particle cumulant results as the limits.

Three-particle correlator in Au+Au and Cu+Cu collisions compared to HIJING calculations shown as thick lines. All three particles are taken in the main TPC region, |$\eta$| < 1.0. The correlator has been scaled with number of participants and are plotted versus number of participants. In this representation HIJING results for Au+Au and Cu+Cu collisions coincide in the region of overlap.

$\langle cos(\phi_{\alpha} + \phi_{\beta} − 2\Psi_{RP})\rangle$ calculated for 200 GeV Au+Au events with event generators HIJING (with and without an “elliptic flow afterburner”), UrQMD, and MEVSIM. Blue symbols mark opposite-charge correlations, and red are same-charge. Solid stars represent the values from the data to facilitate comparison. Acceptance cuts of 0.15 < p$_{t}$ < 2 GeV/c and |$\eta$| < 1.0 were used in all cases. For MEVSIM, HIJING, and UrQMD points the true reaction plane from the generated event was used for $\Psi_{RP}$ . Thick solid lighter colored lines represent possible non-reactionplane dependent contribution from many-particle clusters as estimated by HIJING and discussed in Section VII A. Corresponding estimates from UrQMD are about factor of two smaller.