The $K^{*0}$ mass (upper panel) and width (lower panel) as a function of $p_T$ for minimum bias $p + p$ interactions and for central Au+Au collisions. The solid straight lines are the standard $K^{*0}$ mass (896.1 MeV/$c^2$ ) and width (50.7 MeV/$c^2$), respectively. The dashed and dotted curves are the MC results in minimum bias $p+p$ and for central Au+Au collisions, respectively, after considering detector effects and kinematic cuts. The grey shadows (caps) indicate the systematic uncertainties for the measurement in minimum bias $p + p$ interactions (central Au+Au collisions).

The $K^{*0}$ mass (upper panel) and width (lower panel) as a function of $p_T$ for minimum bias $p + p$ interactions and for central Au+Au collisions. The solid straight lines are the standard $K^{*0}$ mass (896.1 MeV/$c^2$ ) and width (50.7 MeV/$c^2$), respectively. The dashed and dotted curves are the MC results in minimum bias $p+p$ and for central Au+Au collisions, respectively, after considering detector effects and kinematic cuts. The grey shadows (caps) indicate the systematic uncertainties for the measurement in minimum bias $p + p$ interactions (central Au+Au collisions).

The $K^{*0}$ mass (upper panel) and width (lower panel) as a function of $p_T$ for minimum bias $p + p$ interactions and for central Au+Au collisions. The solid straight lines are the standard $K^{*0}$ mass (896.1 MeV/$c^2$ ) and width (50.7 MeV/$c^2$), respectively. The dashed and dotted curves are the MC results in minimum bias $p+p$ and for central Au+Au collisions, respectively, after considering detector effects and kinematic cuts. The grey shadows (caps) indicate the systematic uncertainties for the measurement in minimum bias $p + p$ interactions (central Au+Au collisions).

The $K^{*0}$ mass (upper panel) and width (lower panel) as a function of $p_T$ for minimum bias $p + p$ interactions and for central Au+Au collisions. The solid straight lines are the standard $K^{*0}$ mass (896.1 MeV/$c^2$ ) and width (50.7 MeV/$c^2$), respectively. The dashed and dotted curves are the MC results in minimum bias $p+p$ and for central Au+Au collisions, respectively, after considering detector effects and kinematic cuts. The grey shadows (caps) indicate the systematic uncertainties for the measurement in minimum bias $p + p$ interactions (central Au+Au collisions).

The $K_S^0\pi^\pm$ invariant mass distribution integrated over the $K^{*\pm}$ $p_T$ for minimum bias $p + p$ collisions (upper panel) and for the $50-80\%$ of the inelastic hadronic Au+Au crosssection (lower panel) after the mixed-event background subtraction. The solid curves are fits to Eq. 10 and the dashed lines are the linear function representing the residual background.

The $K^{*0}$ and $K^{*\pm}$ reconstruction efficiency multiplied by the detector acceptance as a function of $p_T$ in minimum bias $p + p$ and different centralities in Au+Au collisions.

The $K^{*0}$ and $K^{*\pm}$ reconstruction efficiency multiplied by the detector acceptance as a function of $p_T$ in minimum bias $p + p$ and different centralities in Au+Au collisions.

The $K^{*0}$ and $K^{*\pm}$ reconstruction efficiency multiplied by the detector acceptance as a function of $p_T$ in minimum bias $p + p$ and different centralities in Au+Au collisions.

The $K^{*0}$ and $K^{*\pm}$ reconstruction efficiency multiplied by the detector acceptance as a function of $p_T$ in minimum bias $p + p$ and different centralities in Au+Au collisions.

The $(K^* + \bar{K^*})/2$ invariant yields as a function of $m_T − m_0$ for |y| < 0.5 from minimum bias $p + p$ and different centralities in Au+Au collisions. The top $10\% $central data have been multiplied by two for clarity. The lines are fits to Eq. 12. The errors shown are the quadratic sum of statistical and systematic (in the level of $10\% $) uncertainties.

The $(K^* + \bar{K^*})/2$ invariant yields as a function of $m_T − m_0$ for |y| < 0.5 from minimum bias $p + p$ and different centralities in Au+Au collisions. The top $10\% $central data have been multiplied by two for clarity. The lines are fits to Eq. 12. The errors shown are the quadratic sum of statistical and systematic (in the level of $10\% $) uncertainties.

The $(K^* + \bar{K^*})/2$ invariant yields as a function of $m_T − m_0$ for |y| < 0.5 from minimum bias $p + p$ and different centralities in Au+Au collisions. The top $10\% $central data have been multiplied by two for clarity. The lines are fits to Eq. 12. The errors shown are the quadratic sum of statistical and systematic (in the level of $10\% $) uncertainties.

(Color online) The invariant yields for both $(K^{*0} + \bar{K^{*0}})/2$ and $(K^{*+} + K^{*-})/2$ as a function of $p_T$ for |y| < 0.5 in minimum bias $p + p$ interactions. The dotted curve is the fit to the power-law function from Equation 13 for $p_T$ > 0.5 GeV/$c$ and extended to lower values of $p_T$ . The dashed curve is the $K^{*0}$ spectrum fit to the exponential function from Equation 12 and extended to higher values of $p_T$ . The dashed-dotted curve is the fit to the Levy function from Equation 14 for $p_T$ < 4 GeV/$c$. Errors are statistical only.

(Color online) The invariant yields for both $(K^{*0} + \bar{K^{*0}})/2$ and $(K^{*+} + K^{*-})/2$ as a function of $p_T$ for |y| < 0.5 in minimum bias $p + p$ interactions. The dotted curve is the fit to the power-law function from Equation 13 for $p_T$ > 0.5 GeV/$c$ and extended to lower values of $p_T$ . The dashed curve is the $K^{*0}$ spectrum fit to the exponential function from Equation 12 and extended to higher values of $p_T$ . The dashed-dotted curve is the fit to the Levy function from Equation 14 for $p_T$ < 4 GeV/$c$. Errors are statistical only.

(Color online) The $K^*$ $<p_T>$ as a function of $dN_{ch}/d\eta$ compared to that of $\pi^−$, $K^−$, and $p$ for minimum bias $p+p$ (solid symbols) and Au+Au (open symbols) collisions. The errors shown are the quadratic sum of the statistical and systematic uncertainties.

The $K^*/K$ (upper panel) and $\phi/K^*$ (lower panel) yield ratios as a function of the c.m. system energies. The yield ratios for central Au+Au collisions at $\sqrt{s_{NN}}$=130 [35] and 200 GeV and minimum bias $p+p$ interactions at $\sqrt{s_{NN}}$=200 GeV are compared to measurements from e+e- at sqrt(s) of 10.45 GeV [48], 29 GeV [49] and 91 GeV [50,51], pbar-p at sqrt(s) of 5.6 GeV [52] and pp at sqrt(s) of 27.5 GeV [53], 52.5 GeV [54] and 63 GeV [55]. The errors at $\sqrt{s_{NN}}$=130 and 200 GeV correspond to the quadratic sum of the statistical and systematic errors.

The $K^*/K$ (upper panel) and $\phi/K^*$ (lower panel) yield ratios as a function of the c.m. system energies. The yield ratios for central Au+Au collisions at $\sqrt{s_{NN}}$=130 [35] and 200 GeV and minimum bias $p+p$ interactions at $\sqrt{s_{NN}}$=200 GeV are compared to measurements from e+e- at sqrt(s) of 10.45 GeV [48], 29 GeV [49] and 91 GeV [50,51], pbar-p at sqrt(s) of 5.6 GeV [52] and pp at sqrt(s) of 27.5 GeV [53], 52.5 GeV [54] and 63 GeV [55]. The errors at $\sqrt{s_{NN}}$=130 and 200 GeV correspond to the quadratic sum of the statistical and systematic errors.

The $K^{*0}$ v2 (filled stars) as a function of $p_T$ for minimum bias Au+Au collisions compared to the $K^{0}_S$ (open triangles), $\Lambda$ (open circles), and charged hadron (open diamonds) $v_2$. The errors shown are statistical only.

The $K^*$ $R_{AA}$ (filled triangles) and $R_{CP}$ (filled circles) as a function of $p_T$ compared to the $K^{0}_S$ (open circles) and $\Lambda$ (open triangles) $R_{CP}$. The errors shown are statistical only. The dashed line represents the number of binary collisions scaling. The widths of the grey bands represent the systematic uncertainties of $R_{AA}$ (left) and $R_{CP}$ (right) due to the model calculations of $N_{bin}$.