Elliptic flow versus $p_{T}$ for charged hadrons from Cu+Cu collisions at 0–60% centrality at $\sqrt{s_{NN}}$ = 22.4 GeV measured with the subevent method with a pseudorapidity gap of 0.3 units compared with previously published STAR results for 200 and 62.4 GeV Cu+Cu [27] measured with full TPC event plane method $v_{2}${TPC} and full FTPC event plane method $v_{2}${FTPC}. The error bars are statistical. Results are also compared to $v_{2}$($p_{T}$) model calculations.

Elliptic flow $v_{2}(\eta)$ for charged hadrons fromCu+Cu collisions at 0–60% centrality at $\sqrt{s_{NN}}$ = 22.4 GeV. The present STAR results are compared to the measurement from the PHOBOS [29] collaboration for Cu+Cu at 22.4 GeV. The PHOBOS results include statistical and systematic errors whereas the STAR results are plotted with statistical uncertainties only, and systematic errors are discussed in Section III C. Results are also compared to $v_{2}(\eta)$ calculations from the indicated models.

Elliptic flow $v_{2}${TPC} and $v_{2}${4} as a function of centrality for charged hadrons from Cu+Cu collisions at 0 − 60% centrality at $\sqrt{s_{NN}}$ = 22.4 GeV, compared with previously published results from the STAR collaboration at 200 GeV and 62.4 GeV.

FIG. 1. (Color online) Perspective views of $2 \mathrm{D}$ charge-independent angular correlations $\Delta \rho / \sqrt{\rho_{\mathrm{ref}}}$ on $\left(\eta_{\Delta}, \phi_{\Delta}\right)$ for Au-Au collisions at $\sqrt{s_{N N}}=200$ and $62 \mathrm{GeV}$ (top and bottom rows, respectively). Centrality increases left to right from most peripheral to most central. Corrected total cross-section fractions are (left to right) $84 \%-93 \%, 55 \%-64 \%, 18 \%-28 \%,$ and $0 \%-5 \%$ for the $200-\mathrm{GeV}$ data and $84 \%-95 \%, 56 \%-65 \%$ $18 \%-28 \%,$ and $0 \%-5 \%$ for the $62 \mathrm{GeV}$ data (see Tables III and IV).

FIG. 1. (Color online) Perspective views of $2 \mathrm{D}$ charge-independent angular correlations $\Delta \rho / \sqrt{\rho_{\mathrm{ref}}}$ on $\left(\eta_{\Delta}, \phi_{\Delta}\right)$ for Au-Au collisions at $\sqrt{s_{N N}}=200$ and $62 \mathrm{GeV}$ (top and bottom rows, respectively). Centrality increases left to right from most peripheral to most central. Corrected total cross-section fractions are (left to right) $84 \%-93 \%, 55 \%-64 \%, 18 \%-28 \%,$ and $0 \%-5 \%$ for the $200-\mathrm{GeV}$ data and $84 \%-95 \%, 56 \%-65 \%$ $18 \%-28 \%,$ and $0 \%-5 \%$ for the $62 \mathrm{GeV}$ data (see Tables III and IV).

FIG. 1. (Color online) Perspective views of $2 \mathrm{D}$ charge-independent angular correlations $\Delta \rho / \sqrt{\rho_{\mathrm{ref}}}$ on $\left(\eta_{\Delta}, \phi_{\Delta}\right)$ for Au-Au collisions at $\sqrt{s_{N N}}=200$ and $62 \mathrm{GeV}$ (top and bottom rows, respectively). Centrality increases left to right from most peripheral to most central. Corrected total cross-section fractions are (left to right) $84 \%-93 \%, 55 \%-64 \%, 18 \%-28 \%,$ and $0 \%-5 \%$ for the $200-\mathrm{GeV}$ data and $84 \%-95 \%, 56 \%-65 \%$ $18 \%-28 \%,$ and $0 \%-5 \%$ for the $62 \mathrm{GeV}$ data (see Tables III and IV).

FIG. 1. (Color online) Perspective views of $2 \mathrm{D}$ charge-independent angular correlations $\Delta \rho / \sqrt{\rho_{\mathrm{ref}}}$ on $\left(\eta_{\Delta}, \phi_{\Delta}\right)$ for Au-Au collisions at $\sqrt{s_{N N}}=200$ and $62 \mathrm{GeV}$ (top and bottom rows, respectively). Centrality increases left to right from most peripheral to most central. Corrected total cross-section fractions are (left to right) $84 \%-93 \%, 55 \%-64 \%, 18 \%-28 \%,$ and $0 \%-5 \%$ for the $200-\mathrm{GeV}$ data and $84 \%-95 \%, 56 \%-65 \%$ $18 \%-28 \%,$ and $0 \%-5 \%$ for the $62 \mathrm{GeV}$ data (see Tables III and IV).

FIG. 1. (Color online) Perspective views of $2 \mathrm{D}$ charge-independent angular correlations $\Delta \rho / \sqrt{\rho_{\mathrm{ref}}}$ on $\left(\eta_{\Delta}, \phi_{\Delta}\right)$ for Au-Au collisions at $\sqrt{s_{N N}}=200$ and $62 \mathrm{GeV}$ (top and bottom rows, respectively). Centrality increases left to right from most peripheral to most central. Corrected total cross-section fractions are (left to right) $84 \%-93 \%, 55 \%-64 \%, 18 \%-28 \%,$ and $0 \%-5 \%$ for the $200-\mathrm{GeV}$ data and $84 \%-95 \%, 56 \%-65 \%$ $18 \%-28 \%,$ and $0 \%-5 \%$ for the $62 \mathrm{GeV}$ data (see Tables III and IV).

FIG. 2. (Color online) Fit decomposition of the $46 \%-56 \%$ centrality data for 62 -GeV Au-Au collisions. The top panels show from left to right the corrected data, model fit, fit residuals (data - model), and same-side 2D Gaussian. The bottom panels similarly show the away-side azimuth dipole, the nonjet azimuth quadrupole, the 1D $\eta_{\Delta}$ Gaussian, and the 2D exponential. This centrality is just below the sharp transition at $v_{\text {trans }}=3$. Fit residuals (c) are scaled up eightfold relative to the data.

FIG. 3. Fit parameters for $\left(\eta_{\Delta}, \phi_{\Delta}\right)$ correlation data from Au-Au collisions at $\sqrt{s_{N N}}=62$ (open symbols) and 200 GeV (solid symbols) versus centrality measure $\nu$ computed at fixed energy $(200 \mathrm{GeV})$. The SS $2 \mathrm{D}$ Gaussian amplitudes, $\eta_{\Delta}$ widths, and $\phi_{\Delta}$ widths are shown in the left, center, and right panels, respectively of the top row. The bottom row shows from left to right the amplitudes for the dipole, quadrupole, and SS peak width aspect ratio $\sigma_{\eta_{\Delta}} / \sigma_{\phi_{\Delta}} .$ Fitting errors are indicated by error bars where larger than the symbols. Solid lines connect the points for clarity. The dotted and dashed curves indicate Glauber linear superposition estimates for 62 - and 200 -GeV peak amplitudes respectively, as discussed in the text. The quadrupole data are consistent with Ref. [60]. The hatched regions indicate the full range of systematic uncertainties listed in Appendix F. The vertical dark bands indicate estimated $v$ equivalents for $N-N$ collisions and $b=0$ Au-Au collisions.

FIG. 3. Fit parameters for $\left(\eta_{\Delta}, \phi_{\Delta}\right)$ correlation data from Au-Au collisions at $\sqrt{s_{N N}}=62$ (open symbols) and 200 GeV (solid symbols) versus centrality measure $\nu$ computed at fixed energy $(200 \mathrm{GeV})$. The SS $2 \mathrm{D}$ Gaussian amplitudes, $\eta_{\Delta}$ widths, and $\phi_{\Delta}$ widths are shown in the left, center, and right panels, respectively of the top row. The bottom row shows from left to right the amplitudes for the dipole, quadrupole, and SS peak width aspect ratio $\sigma_{\eta_{\Delta}} / \sigma_{\phi_{\Delta}} .$ Fitting errors are indicated by error bars where larger than the symbols. Solid lines connect the points for clarity. The dotted and dashed curves indicate Glauber linear superposition estimates for 62 - and 200 -GeV peak amplitudes respectively, as discussed in the text. The quadrupole data are consistent with Ref. [60]. The hatched regions indicate the full range of systematic uncertainties listed in Appendix F. The vertical dark bands indicate estimated $v$ equivalents for $N-N$ collisions and $b=0$ Au-Au collisions.

FIG. 3. Fit parameters for $\left(\eta_{\Delta}, \phi_{\Delta}\right)$ correlation data from Au-Au collisions at $\sqrt{s_{N N}}=62$ (open symbols) and 200 GeV (solid symbols) versus centrality measure $\nu$ computed at fixed energy $(200 \mathrm{GeV})$. The SS $2 \mathrm{D}$ Gaussian amplitudes, $\eta_{\Delta}$ widths, and $\phi_{\Delta}$ widths are shown in the left, center, and right panels, respectively of the top row. The bottom row shows from left to right the amplitudes for the dipole, quadrupole, and SS peak width aspect ratio $\sigma_{\eta_{\Delta}} / \sigma_{\phi_{\Delta}} .$ Fitting errors are indicated by error bars where larger than the symbols. Solid lines connect the points for clarity. The dotted and dashed curves indicate Glauber linear superposition estimates for 62 - and 200 -GeV peak amplitudes respectively, as discussed in the text. The quadrupole data are consistent with Ref. [60]. The hatched regions indicate the full range of systematic uncertainties listed in Appendix F. The vertical dark bands indicate estimated $v$ equivalents for $N-N$ collisions and $b=0$ Au-Au collisions.

FIG. 3. Fit parameters for $\left(\eta_{\Delta}, \phi_{\Delta}\right)$ correlation data from Au-Au collisions at $\sqrt{s_{N N}}=62$ (open symbols) and 200 GeV (solid symbols) versus centrality measure $\nu$ computed at fixed energy $(200 \mathrm{GeV})$. The SS $2 \mathrm{D}$ Gaussian amplitudes, $\eta_{\Delta}$ widths, and $\phi_{\Delta}$ widths are shown in the left, center, and right panels, respectively of the top row. The bottom row shows from left to right the amplitudes for the dipole, quadrupole, and SS peak width aspect ratio $\sigma_{\eta_{\Delta}} / \sigma_{\phi_{\Delta}} .$ Fitting errors are indicated by error bars where larger than the symbols. Solid lines connect the points for clarity. The dotted and dashed curves indicate Glauber linear superposition estimates for 62 - and 200 -GeV peak amplitudes respectively, as discussed in the text. The quadrupole data are consistent with Ref. [60]. The hatched regions indicate the full range of systematic uncertainties listed in Appendix F. The vertical dark bands indicate estimated $v$ equivalents for $N-N$ collisions and $b=0$ Au-Au collisions.

FIG. 3. Fit parameters for $\left(\eta_{\Delta}, \phi_{\Delta}\right)$ correlation data from Au-Au collisions at $\sqrt{s_{N N}}=62$ (open symbols) and 200 GeV (solid symbols) versus centrality measure $\nu$ computed at fixed energy $(200 \mathrm{GeV})$. The SS $2 \mathrm{D}$ Gaussian amplitudes, $\eta_{\Delta}$ widths, and $\phi_{\Delta}$ widths are shown in the left, center, and right panels, respectively of the top row. The bottom row shows from left to right the amplitudes for the dipole, quadrupole, and SS peak width aspect ratio $\sigma_{\eta_{\Delta}} / \sigma_{\phi_{\Delta}} .$ Fitting errors are indicated by error bars where larger than the symbols. Solid lines connect the points for clarity. The dotted and dashed curves indicate Glauber linear superposition estimates for 62 - and 200 -GeV peak amplitudes respectively, as discussed in the text. The quadrupole data are consistent with Ref. [60]. The hatched regions indicate the full range of systematic uncertainties listed in Appendix F. The vertical dark bands indicate estimated $v$ equivalents for $N-N$ collisions and $b=0$ Au-Au collisions.

FIG. 3. Fit parameters for $\left(\eta_{\Delta}, \phi_{\Delta}\right)$ correlation data from Au-Au collisions at $\sqrt{s_{N N}}=62$ (open symbols) and 200 GeV (solid symbols) versus centrality measure $\nu$ computed at fixed energy $(200 \mathrm{GeV})$. The SS $2 \mathrm{D}$ Gaussian amplitudes, $\eta_{\Delta}$ widths, and $\phi_{\Delta}$ widths are shown in the left, center, and right panels, respectively of the top row. The bottom row shows from left to right the amplitudes for the dipole, quadrupole, and SS peak width aspect ratio $\sigma_{\eta_{\Delta}} / \sigma_{\phi_{\Delta}} .$ Fitting errors are indicated by error bars where larger than the symbols. Solid lines connect the points for clarity. The dotted and dashed curves indicate Glauber linear superposition estimates for 62 - and 200 -GeV peak amplitudes respectively, as discussed in the text. The quadrupole data are consistent with Ref. [60]. The hatched regions indicate the full range of systematic uncertainties listed in Appendix F. The vertical dark bands indicate estimated $v$ equivalents for $N-N$ collisions and $b=0$ Au-Au collisions.

FIG. 4. (Color online) (a) 2D data histogram from $0 \%-5 \%$ central 200 GeV Au-Au collisions $[(0,0)$ bin suppressed]. (b) Additional model component fitted to the $2 \mathrm{D}$ histogram and consisting of an AS azimuth dipole modulated by function $F\left(\eta_{\Delta}\right)$ described in the text. (c) Fit residuals including the new model component. (d) Data histogram in the first panel minus the additional model component and fitted offset. Remaining structure is described accurately by an AS dipole and SS 2D Gaussian.

FIG. 9. (a) Amplitude of SS 2D peak (jet-correlated pairs per final-state hadron) for data (solid points), GLS extrapolation from $p$ - $p$ data (dashed curve) and from the HIJING Monte Carlo (open points, dotted curve). (b) Single-particle production extrapolated from $p-p$ data (dashed curve, GLS), and from more-central Au-Au data (solid line) and HIJING (dash-dotted line, open points). (c) Single-particle hard-component production per $N-N$ binary collision from $p-p$ data, from more-central Au-Au data and from HIJING (open points). (d) Jet-correlated pair production (SS 2D peak) per $N-N$ binary collision extrapolated from $p-p$ data (GLS), and from Au-Au data (solid points) and HIJING (open points).

FIG. 9. (a) Amplitude of SS 2D peak (jet-correlated pairs per final-state hadron) for data (solid points), GLS extrapolation from $p$ - $p$ data (dashed curve) and from the HIJING Monte Carlo (open points, dotted curve). (b) Single-particle production extrapolated from $p-p$ data (dashed curve, GLS), and from more-central Au-Au data (solid line) and HIJING (dash-dotted line, open points). (c) Single-particle hard-component production per $N-N$ binary collision from $p-p$ data, from more-central Au-Au data and from HIJING (open points). (d) Jet-correlated pair production (SS 2D peak) per $N-N$ binary collision extrapolated from $p-p$ data (GLS), and from Au-Au data (solid points) and HIJING (open points).

FIG. 9. (a) Amplitude of SS 2D peak (jet-correlated pairs per final-state hadron) for data (solid points), GLS extrapolation from $p$ - $p$ data (dashed curve) and from the HIJING Monte Carlo (open points, dotted curve). (b) Single-particle production extrapolated from $p-p$ data (dashed curve, GLS), and from more-central Au-Au data (solid line) and HIJING (dash-dotted line, open points). (c) Single-particle hard-component production per $N-N$ binary collision from $p-p$ data, from more-central Au-Au data and from HIJING (open points). (d) Jet-correlated pair production (SS 2D peak) per $N-N$ binary collision extrapolated from $p-p$ data (GLS), and from Au-Au data (solid points) and HIJING (open points).

FIG. 9. (a) Amplitude of SS 2D peak (jet-correlated pairs per final-state hadron) for data (solid points), GLS extrapolation from $p$ - $p$ data (dashed curve) and from the HIJING Monte Carlo (open points, dotted curve). (b) Single-particle production extrapolated from $p-p$ data (dashed curve, GLS), and from more-central Au-Au data (solid line) and HIJING (dash-dotted line, open points). (c) Single-particle hard-component production per $N-N$ binary collision from $p-p$ data, from more-central Au-Au data and from HIJING (open points). (d) Jet-correlated pair production (SS 2D peak) per $N-N$ binary collision extrapolated from $p-p$ data (GLS), and from Au-Au data (solid points) and HIJING (open points).

FIG. 11. (Color online) (Left) Uncorrected angular correlations from 62-GeV $37 \%-46 \%$ central Au-Au collisions showing pileup distortions, especially evident as the W-shaped nonuniformity of the AS ridge on $\eta_{\Delta}$. (Right) The same data with pileup correction applied.

$\rho^0$ production cross section determined with the data set collected with trigger B, as a function of momentum transfer $t$, fitted with a double exponential fit function in the range $t < 0.1$. The statistical errors are shown. The ratio of incoherent to coherent cross sections is measured to be $0.20 \pm 0.8$. The fit parameters are shown in Table I.

Comparison of theoretical predictions to the measured total cross section for coherent $\rho^0$ production as a functionof $\sqrt{s_{NN}}$ . The measured cross section is based on the dataset collected with trigger B. The error bars show the sum of the statistical and systematic uncertainties. See text for details.

$\Omega + \bar{\Omega}$ invariant mass spectra from Cu+Cu $\sqrt{s_{NN}} = 200$ GeV collisions, where $|y| < 0.5$. The uncertainties on the spectra points are statistical and systematic combined.

$K^0_S$ invariant mass spectra from Au+Au $\sqrt{s_{NN}} = 200$ GeV collisions, where $|y| < 0.5$. The uncertainties on the spectra points are statistical and systematic combined.

$\Lambda$ and $\bar{\Lambda}$ invariant mass spectra from Au+Au $\sqrt{s_{NN}} = 200$ GeV collisions, where $|y| < 0.5$. The $\Lambda$ and $\bar{\Lambda}$ yields have not been feed down subtracted from weak decays. The uncertainties on the spectra points are statistical and systematic combined.

$K^0_S$, $\Lambda$, and $\bar{\Lambda}$, spectra divided by $\langle N_{part} \rangle$ for Cu+Cu $0 − 10\%$ ($\langle N_{part} \rangle \sim 99$) and Au+Au $20 − 40\%$ ($\langle N_{part} \rangle \sim 141$) $\sqrt{s_{NN}} = 200$ GeV collisions, where $|y| < 0.5$. The $\Lambda$ and $\bar{\Lambda}$ yields have been feed down subtracted from weak decays. The uncertainties on the spectra points are statistical and systematic; for clarity the uncertainty on $\langle N_{part} \rangle$ has not been included. The curves show the functions described in the text used to extract $dN/dy$.

$\Xi + \bar{\Xi}$ spectra divided by $\langle N_{part} \rangle$ for Cu+Cu $0 − 10\%$ ($\langle N_{part} \rangle \sim 99$) $\sqrt{s_{NN}} = 200$ GeV collisions, where $|y| < 0.5$. The uncertainties on the spectra points are statistical and systematic; for clarity the uncertainty on $\langle N_{part} \rangle$ has not been included. The curves show the functions described in the text used to extract $dN/dy$.

$\Xi + \bar{\Xi}$ spectra divided by $\langle N_{part} \rangle$ for Au+Au $20 − 40\%$ ($\langle N_{part} \rangle \sim 141$) $\sqrt{s_{NN}} = 200$ GeV collisions, where $|y| < 0.5$. The uncertainties on the spectra points are statistical and systematic; for clarity the uncertainty on $\langle N_{part} \rangle$ has not been included. The curves show the functions described in the text used to extract $dN/dy$.

$\Omega + \bar{\Omega}$ spectra divided by $\langle N_{part} \rangle$ for Cu+Cu $0 − 10\%$ ($\langle N_{part} \rangle \sim 99$) $\sqrt{s_{NN}} = 200$ GeV collisions, where $|y| < 0.5$. The uncertainties on the spectra points are statistical and systematic; for clarity the uncertainty on $\langle N_{part} \rangle$ has not been included. The curves show the functions described in the text used to extract $dN/dy$.

$\Omega + \bar{\Omega}$ spectra divided by $\langle N_{part} \rangle$ for Au+Au $20 − 40\%$ ($\langle N_{part} \rangle \sim 141$) $\sqrt{s_{NN}} = 200$ GeV collisions, where $|y| < 0.5$. The uncertainties on the spectra points are statistical and systematic; for clarity the uncertainty on $\langle N_{part} \rangle$ has not been included. The curves show the functions described in the text used to extract $dN/dy$.

The enhancement factor for (multi-) strange particles in Cu+Cu $\sqrt{s_{NN}} = 200$ GeV collisions, where $|y| < 0.5$. The $\Lambda$, and $\bar{\Lambda}$ yields have been feed-down subtracted in all cases. The black bars show the normalization uncertainties, and the uncertainties for the heavy-ion points are the combined statistical and systematic errors. Curves described in the text, where $B_{K} = 2.0$, $B_{\Lambda} = 2.4$, $B_{\Xi} = 5.0$ and $B_{\Omega} = 12.1$.

The enhancement factor for (multi-) strange particles in Au+Au $\sqrt{s_{NN}} = 200$ GeV collisions, where $|y| < 0.5$. The $\Lambda$, and $\bar{\Lambda}$ yields have been feed-down subtracted in all cases. The black bars show the normalization uncertainties, and the uncertainties for the heavy-ion points are the combined statistical and systematic errors. Curves described in the text, where $B_{K} = 2.0$, $B_{\Lambda} = 2.4$, $B_{\Xi} = 5.0$ and $B_{\Omega} = 12.1$.

Ratio of particle yields in central Cu+Cu and midcentral Au+Au collisions when $\langle N_{part} \rangle = 99$ in each case for $|y| < 0.5$. $\pi$ yields are from elsewhere [17]. Boxed uncertainties are from the Glauber calculations and are correlated for every particle. $\langle N_{part>1} \rangle$ refers to the parameterization shown by eq. 1, while the EPOS and AMPT models are described in the text. The default settings are used for each model. The vertical lines show the remaining independent statistical and systematic uncertainties.

Projection of the correlation function C, for|∆φ|<1.0 radians on the ∆η axis for 70-80% centrality in Au+Au collisions at $\sqrt{s_{NN}}$ = 200 GeV. The correlation function C is plottedin units of (GeV/c)$^2$.The correlation function C is plotted in units of (GeV/c)$^2$. The solid line shows the fit obtained with Eq.2. The dotted line corresponds to the baseline, b, obtained in the fit and shaded band shows uncertainty in determining b.

Projection of the correlation function C, for|∆φ|<1.0 radians on the ∆η axis for 30-40% centrality. Statistical errors at(\Deltaeta_1,Deltaeta_2~(0,0) are approximately 0.084 for Au+Au. The correlation function C is plotted in units of (GeV/c)$^2$. The dotted line corresponds to the baseline,b, obtained in the fit and shaded band shows uncertainty in determining b.

Projection of the correlation function C, for|∆φ|<1.0 radians on the ∆η axis for 0-5% centrality in Au+Au collisions at $\sqrt{s_{NN}}$ = 200 GeV. The correlation functionCis plotted in units of (GeV/c)$^2$. The correlation function C is plotted in units of (GeV/c)$^2$. The solid line shows the fit obtained with Eq.2. The dotted line corresponds to the baseline,b, obtained in the fit and shaded band shows uncertainty in determining b.

RMS as function of the number of participating nucleons for the correlation function C, for nine centrality classes in Au+Au collisions at $\sqrt{s_{NN}}$ = 200 GeV. The dotted line represents a lower limit estimate of the RMS explained in the text and the shaded band represents systematic uncertainties on the RMS.

v3{4} (blue open squares).

v3{ZDC} (green filled circles).

v3{QC5} (black filled diamonds).

v2{SP}/epsilon(CGC) (red filled circles).

v2{SP}/epsilon(W) (purple open circles).

v3{SP}/epsilon(CGC) (blue filled squares).

v3{SP}/epsilon(W) (purple open squares).

v2{SP} (red filled circles).

v3{SP} (blue filled squares).

v2{SP,Deltaeta=0.2} (blue filled circles).

v2{SP,Deltaeta=1.0} (blue open circles).

v3{SP,Deltaeta=0.2} (green filled triangles).

v3{SP,Deltaeta=1.0} (green open triangles).

v4{SP,Deltaeta=0.2} (red filled squares).

v4{SP,Deltaeta=1.0} (red open squares).

v5{SP,Deltaeta=0.2} (black filled diamonds).

v5{SP,Deltaeta=1.0} (black open diamonds).

v2{SP,Deltaeta=0.2} (blue filled circles).

v2{SP,Deltaeta=1.0} (blue open circles).

v3{SP,Deltaeta=0.2} (green filled triangles).

v3{SP,Deltaeta=1.0} (green open triangles).

v4{SP,Deltaeta=0.2} (red filled squares).

v4{SP,Deltaeta=1.0} (red open squares).

v5{SP,Deltaeta=0.2} (black filled diamonds).

v5{SP,Deltaeta=1.0} (black open diamonds).

v2{SP,Deltaeta=0.2} (blue filled circles).

v2{SP,Deltaeta=1.0} (blue open circles).

v3{SP,Deltaeta=0.2} (green filled triangles).

v3{SP,Deltaeta=1.0} (green open triangles).

v4{SP,Deltaeta=0.2} (red filled squares).

v4{SP,Deltaeta=1.0} (red open squares).

v5{SP,Deltaeta=0.2} (black filled diamonds).

v5{SP,Deltaeta=1.0} (black open diamonds).

Total J/PSI cross section from the di-electron data. The first error is statistical, the second is a systematic error. The second systematic errors is related to the unknown polarization. Only the one from the Helicity Frame is quoted here. It has the biggest influence in this rapidity range. Data updated from the erratum.

Total J/PSI cross section from the di-muon data. The first error is statistical, the second is a systematic error. The second systematic errors is related to the unknown polarization. Only the one from the Collins Soper Frame is quoted here. It has the biggest influence in this rapidity range.

Relative production rates for jets and di-jets in Au+Au collisions of different centralities with respect to d+Au data.

Calculations of the Glauber-based core/corona model that accommodates inclusive hadron suppression and single jet production rate results.

Conditional di-jet survival probability in Au+Au data compared to d+Au reference.

Conditional di-jet survival probability in Au+Au data compared to d+Au reference.

The simulated electron pair invariant mass distributions for electrons at $8 < p_{T} < 10$ GeV/c

The distribution of the minimum distance $\Delta$Z (cm) between an electron track projection point at the Barrel Electromagnetic Calorimeter (BEMC) and all BEMC clusters along the beam direction from unlike-sign electron candidate pairs, like-sign electron candidate pairs and unlike-minus-like.

The momentum over energy $p/E_0$ distribution ($p$ - momentum, $E_0$ - the energy of the most energetic tower in a Barrel Electromagnetic Calorimeter cluster) from unlike-sign electron candidate pairs, like-sign electron candidate pairs and unlike-minus-like.

Electron identification efficiency of the cuts on number of TPC points, n$\sigma_e$ and Barrel Electromagnetic Calorimeter cuts in the Run2008 analysis. The total efficiency is the product of all individual ones.

Electron identification efficiency of the cuts on number of TPC points, n$\sigma_e$ and Barrel Electromagnetic Calorimeter cuts in the Run2005 analysis. The total efficiency is the product of all individual ones.

n$\sigma_e$ distribution in the Run2008 analysis for unlike-sign, like-sign and unlike-minus-like pairs at $2.5 < p_T < 3.0$ GeV after applying all the electron identification cuts except the n$\sigma_e$ cut.

n$\sigma_e$ distribution in the Run2008 analysis for unlike-sign, like-sign and unlike-minus-like pairs at $8 < p_T < 10$ GeV after applying all the electron identification cuts except the n$\sigma_e$ cut.

The mean and width of the Gaussian fitting functions for pure photonic electron (unlike - minus-like) n$\sigma_e$ distribution as shown in Fig. 4(a) and Fig 4(b) for each $p_T$ bin.

n$\sigma_e$ distribution for inclusive electrons at (a) $2.5 < p_T < 3.0$ GeV/c in the Run2008 analysis, (b) $2.5< p_T < 3.5$ GeV/c in the Run2005 analysis and (c) $8.0 < p_T < 10.0$ GeV/c in the Run2008 analysis after applying all electron identification cuts except the n$\sigma_e$ cut.

Purity of the inclusive electron sample as a function of $p_T$ in data from Run 2008.

Purity of the inclusive electron sample as a function of $p_T$ in data from Run 2005 with High Tower HT1 trigger.

Purity of the inclusive electron sample as a function of $p_T$ in data from Run 2005 with High Tower HT2 trigger.

Derived $p_T$ spectrum for inclusive photons and the uncertainty represented by the region between the spectra of $\pi^0$ and $\eta$ decay photons and inclusive photon with doubled direct photon yield.

Ratio of photon $p_T$ spectra from Fig. 7(a) to inclusive photons $p_T$ spectrum.

Photonic electron reconstruction efficiency as a function of $p_T$ for $\gamma$ conversion, $\pi^0$ and $\eta$ Dalitz decay for the Run2008 analysis, and for their combination for the Run2008 analysis.

Photonic electron reconstruction efficiency as a function of $p_T$ for $\gamma$ conversion for the Run2005 analysis.

The adc0 distribution for high-tower trigger events. The adc0 is the offline ADC value of a BEMC cluster’s most energetic tower which is one of the high-towers responsible for firing a high-tower trigger.

The $\chi^2$ as a function of the adc0 cut.

Raw inclusive electron $p_T$ spectrum from VPD trigger in Run2008 d+Au collisions before (open squares) and after applying the adc0 > 193 cut.

The adc0 distribution for data at $p_T$ = 4.0 − 5.0 GeV/c

The adc0 distribution for simulations at $p_T$ = 4.0 − 5.0 GeV/c

The $p_T$ dependence of high-tower trigger efficiency from VPD data for Run2008 analysis.

The $p_T$ dependence of high-tower trigger efficiency from simulation for Run2008 analysis.

The $p_T$ dependence of high-tower trigger efficiency for combined VPD data and simulation for Run2008 analysis.

Raw inclusive electron $p_T$ spectrum for minimum-bias (MB) and two high-tower triggers, i.e. HT1 and HT2 for Run2005 analysis.

Raw inclusive electron $p_T$ spectrum for high-tower trigge HT1 for Run2005 analysis.

Raw inclusive electron $p_T$ spectrum for high-tower trigge HT2 for Run2005 analysis.

The $p_T$ dependence of trigger efficiency for the high-tower trigger HT1 data for Run2005.

The $p_T$ dependence of trigger efficiency for the high-tower trigger HT2 data for Run2005.

Distribution of the calculated BBC cross section $\sigma_{BBC}$ before and after removing events at the beginning and the end of Run2008.

Invariant cross section of the electron from decays of $J/\psi$.

Invariant cross section of the electron from decays of $\varUpsilon$.

Invariant cross section of the electron from Drell-Yan decays.

Invariant cross section of the electron from decays of light vector mesons ($\rho,\omega, \phi$).

The uncertainty of the $J/\psi$ feeddown.

Ratio of non-photonic to photonic electron yield from the Run2008 analysis.

Ratio of non-photonic to photonic electron yield from the Run2005 analysis.

Invariant cross section for non-photonic electron production $(e^+ + e^-)/2$ in p+p collisions from the Run2008 analysis.

Invariant cross section for non-photonic electron production $(e^+ + e^-)/2$ in p+p collisions from the Run2005 analysis.

Invariant cross section for non-photonic electron production $(e^+ + e^-)/2$ in p+p collisions from the combined Run2005 and 2008 analyses.

Invariant cross section for non-photonic electron production $(e^+ + e^-)/2$ in p+p collisions (update on PRL 98 (2007) 192301).

Ratio of invariant cross section for non-photonic electron production $(e^+ + e^-)/2$ in p+p collisions from the combined Run2005 and 2008 analyses over FONLL.

Ratio of invariant cross section for non-photonic electron production $(e^+ + e^-)/2$ in p+p collisions (update on PRL 98 (2007) 192301) over FONLL.

Invariant cross section for electrons $(e^+ + e^-)/2$ from bottom meson decay, together with the ratio of the measurements to the FONLL predictions.

Invariant cross section for electrons $(e^+ + e^-)/2$ from charm meson decay, together with the ratio of the measurements to the FONLL predictions.