$K^{+}$ signal and the corresponding background fit for the region covering mid-rapidity and $m_{t}−m_{0}$ between 25 and 50 $MeV/c^{2}$.

$K^{+}$ signal and the corresponding background fit for the region covering mid-rapidity and $m_{t}−m_{0}$ between 25 and 50 $MeV/c^{2}$.

$K^{+}$ signal and the corresponding background fit for the region covering mid-rapidity and $m_{t}−m_{0}$ between 25 and 50 $MeV/c^{2}$.

$K^{-}$ signal and the corresponding background fit for the region covering mid-rapidity and $m_{t}−m_{0}$ between 50 and 75 $MeV/c^{2}$.

$K^{-}$ signal and the corresponding background fit for the region covering mid-rapidity and $m_{t}−m_{0}$ between 50 and 75 $MeV/c^{2}$.

$K^{-}$ signal and the corresponding background fit for the region covering mid-rapidity and $m_{t}−m_{0}$ between 50 and 75 $MeV/c^{2}$.

$K^{+}K^{-}$ invariant mass distribution for the mid-rapidity region and $m_{t}−m_{0}$ between 0 and 100 $MeV/c^{2}$ after subtraction of the background.

$K^{+}K^{-}$ invariant mass distribution for the mid-rapidity region and $m_{t}−m_{0}$ between 0 and 100 $MeV/c^{2}$ after subtraction of the background.

$K^{+}K^{-}$ invariant mass distribution for the mid-rapidity region and $m_{t}−m_{0}$ between 0 and 100 $MeV/c^{2}$ after subtraction of the background.

Rapidity distributions of $K^{-}$ and $\phi$ as well as extracted inverse slope parameters obtained from the Boltzmann fits to the the $m_{t}$ spectra.

Rapidity distributions of $K^{-}$ and $\phi$ as well as extracted inverse slope parameters obtained from the Boltzmann fits to the the $m_{t}$ spectra.

Rapidity distributions of $K^{-}$ and $\phi$ as well as extracted inverse slope parameters obtained from the Boltzmann fits to the the $m_{t}$ spectra.

$K^{-}$ transverse-mass spectrum around mid-rapidity

$K^{-}$ transverse-mass spectrum around mid-rapidity

$K^{-}$ transverse-mass spectrum around mid-rapidity

Multiplicity ratio $\phi/K^{-}$ as function of $\sqrt{s_{NN}}$ for central heavy-ion collisions.

Multiplicity ratio $\phi/K^{-}$ as function of $\sqrt{s_{NN}}$ for central heavy-ion collisions.

Multiplicity ratio $\phi/K^{-}$ as function of $\sqrt{s_{NN}}$ for central heavy-ion collisions.

Multiplicities and effective inverse slopes $T_{eff}$ at mid-rapidity for given centrality classes.

Multiplicities and effective inverse slopes $T_{eff}$ at mid-rapidity for given centrality classes.

Multiplicities and effective inverse slopes $T_{eff}$ at mid-rapidity for given centrality classes.

Multiplicity ratios for given centrality classes.

Multiplicity ratios for given centrality classes.

Multiplicity ratios for given centrality classes.

Reduced transverse mass ($m_{t}-m_{0}$) spectra of $K^{+}$ for the 0-40% most central events.

Reduced transverse mass ($m_{t}-m_{0}$) spectra of $K^{+}$ for the 0-40% most central events.

Reduced transverse mass ($m_{t}-m_{0}$) spectra of $K^{+}$ for the 0-40% most central events.

Reduced transverse mass ($m_{t}-m_{0}$) spectra of $K^{-}$ for the 0-40% most central events.

Reduced transverse mass ($m_{t}-m_{0}$) spectra of $K^{-}$ for the 0-40% most central events.

Reduced transverse mass ($m_{t}-m_{0}$) spectra of $K^{-}$ for the 0-40% most central events.

Reduced transverse mass ($m_{t}-m_{0}$) spectra of $\phi$ for the 0-40% most central events.

Reduced transverse mass ($m_{t}-m_{0}$) spectra of $\phi$ for the 0-40% most central events.

Reduced transverse mass ($m_{t}-m_{0}$) spectra of $\phi$ for the 0-40% most central events.

Rapidity distribution of $K^{+}$ for the 0-40% most central events.

Example of $\Lambda$ signal for 0-40% most central events, over mixed-event background for the bin $-0.05 < y_{cm} < 0.05$ and reduced transverse masses between $100-150 MeV/c^{2}$.

Reduced transverse mass ($m_{t}-m_{0}$) spectra of $K^{0}_{S}$ for the 0-40% most central events.

Reduced transverse mass ($m_{t}-m_{0}$) spectra of $K^{0}_{S}$ for the 0-40% most central events. NOTE: The spectra are not scaled by $1/N_{Events}$! To compare the data, divide by $N_{Events} = 2.1997626 x 10^{9}$

Reduced transverse mass ($m_{t}-m_{0}$) spectra of $\Lambda$ for the 0-40% most central events.

Reduced transverse mass ($m_{t}-m_{0}$) spectra of $\Lambda$ for the 0-40% most central events. NOTE: The spectra are not scaled by $1/N_{Events}$! To compare the data, divide by $N_{Events} = 2.1997626 x 10^{9}$

Rapidity distribution of $K^{0}_{S}$

Rapidity distribution of $K^{0}_{S}$

Rapidity distribution of $\Lambda$

Rapidity distribution of $\Lambda$

Compilation of mid-rapidity yields for central Au+Au collisions as a function of $\sqrt{s_{NN}}$ of $K^{0}_{S}$ and $\Lambda$.

Compilation of mid-rapidity yields for central Au+Au collisions as a function of $\sqrt{s_{NN}}$ of $K^{0}_{S}$ and $\Lambda$.

Multiplicities per mean number of participants $Mult/\langle A_{Part}\rangle$ as a function of $\langle A_{Part}\rangle$

Multiplicities per mean number of participants $Mult/\langle A_{Part}\rangle$ as a function of $\langle A_{Part}\rangle$

Multiplicities per mean number of participants $Mult/\langle A_{Part}\rangle$ as a function of $\langle A_{Part}\rangle$ for $K^{0}_{S}$

Multiplicities per mean number of participants $Mult/\langle A_{Part}\rangle$ as a function of $\langle A_{Part}\rangle$ for $K^{0}_{S}$

Multiplicities per mean number of participants $Mult/\langle A_{Part}\rangle$ as a function of $\langle A_{Part}\rangle$ for $\Lambda$

Multiplicities per mean number of participants $Mult/\langle A_{Part}\rangle$ as a function of $\langle A_{Part}\rangle$ for $\Lambda$

Comparison of the shape of the rapidity distribution of $K^{0}_{S}$ to various transport model versions.

Comparison of the shape of the rapidity distribution of $K^{0}_{S}$ to various transport model versions.

Comparison of the shape of the rapidity distribution of $\Lambda$ to various transport model versions.

Comparison of the shape of the rapidity distribution of $\Lambda$ to various transport model versions.

Comparison of the shape of the $p_{t}$-spectra for $\pm0.15$ rapidity units around mid-rapidity of $K^{0}_{S}$ to various transport model versions.

Comparison of the shape of the $p_{t}$-spectra for $\pm0.15$ rapidity units around mid-rapidity of $K^{0}_{S}$ to various transport model versions.

Comparison of the shape of the $p_{t}$-spectra for $\pm0.15$ rapidity units around mid-rapidity of $\Lambda$ to various transport model versions.

Comparison of the shape of the $p_{t}$-spectra for $\pm0.15$ rapidity units around mid-rapidity of $\Lambda$ to various transport model versions.

Differential yield of $K^{0}_{S}$ as function of rapdidity and reduced transverse mass for the four centrality classes.

Differential yield of $K^{0}_{S}$ as function of rapdidity and reduced transverse mass for the four centrality classes. NOTE: The spectra are not scaled by $1/N_{Events}$! To compare the data, divide by $N_{Events} = 5.64247975 x 10^{8} (0 - 10\%)$, $5.85743394 x 10^{8} (10 - 20\%)$, $5.76369451 x 10^{8} (20 - 30\%)$ or $4.73401752 x 10^{8} (30 - 40\%)$

Differential yield of $\Lambda$ as function of rapdidity and reduced transverse mass for the four centrality classes.

Differential yield of $\Lambda$ as function of rapdidity and reduced transverse mass for the four centrality classes. NOTE: The spectra are not scaled by $1/N_{Events}$! To compare the data, divide by $N_{Events} = 5.64247975 x 10^{8} (0 - 10\%)$, $5.85743394 x 10^{8} (10 - 20\%)$, $5.76369451 x 10^{8} (20 - 30\%)$ or $4.73401752 x 10^{8} (30 - 40\%)$

$K^{0}_{S}$ and $\Lambda$ multiplicities in full phase space and inverse slopes at mid-rapidity $T_{Eff}$ for a given centrality.

$K^{0}_{S}$ and $\Lambda$ multiplicities in full phase space and inverse slopes at mid-rapidity $T_{Eff}$ for a given centrality.

Value of the parameter $\alpha$ extracted for $K^{+}$, $K^{-}$, $K^{0}_{S}$, $\Lambda$ and $\Phi$, as displayed in Figure 5 - Global $Mult/\langle A_{Part}\rangle$ Fit

Value of the parameter $\alpha$ extracted for $K^{+}$, $K^{-}$, $K^{0}_{S}$, $\Lambda$ and $\Phi$, as displayed in Figure 5 - Global $Mult/\langle A_{Part}\rangle$ Fit

The $\pi^0$ invariant mass peak positions and widths as a function of $p_{T}$ in 0-80% Au+Au collisions at $\sqrt{s_{NN}}=200$ GeV.

The $\pi^0$ invariant mass peak positions and widths as a function of $p_{T}$ in 0-80% Au+Au collisions at $\sqrt{s_{NN}}=200$ GeV.

The $\pi^0$ invariant mass peak positions and widths as a function of $p_{T}$ in 0-80% Au+Au collisions at $\sqrt{s_{NN}}=200$ GeV.

The $\pi^0$ invariant mass peak positions and widths as a function of $p_{T}$ in 0-80% Au+Au collisions at $\sqrt{s_{NN}}=200$ GeV.

The $\pi^0$ invariant mass peak positions and widths as a function of $p_{T}$ in 0-80% Au+Au collisions at $\sqrt{s_{NN}}=200$ GeV.

The $\pi^0$ invariant mass peak positions and widths as a function of $p_{T}$ in 0-80% Au+Au collisions at $\sqrt{s_{NN}}=200$ GeV.

Photon conversion point radius distribution from real data and MC simulation in Au+Au collisions at $\sqrt{s_{NN}}=200$ GeV.

Conversion probability correction factor for $\pi^0$ as a function of $p_{T}$

The overall detection efficiency of $\pi^0$ from embedding studt in 0-80% Au+Au collisions at $\sqrt{s_{NN}}=200$ GeV.

The overall detection efficiency of $\pi^0$ from embedding studt in 0-80% Au+Au collisions at $\sqrt{s_{NN}}=200$ GeV.

The overall detection efficiency of $\pi^0$ from embedding studt in 0-80% Au+Au collisions at $\sqrt{s_{NN}}=200$ GeV.

Invariant yield of STAR $\pi^0$ as a function of $p_{T}$ at midrapidity for different collision centrality bins in Au+Au collisions at $\sqrt{s_{NN}}=200$ GeV.

Invariant yield of STAR $\pi^0$ as a function of $p_{T}$ at midrapidity for different collision centrality bins in Au+Au collisions at $\sqrt{s_{NN}}=200$ GeV.

Invariant yield of STAR $\pi^0$ as a function of $p_{T}$ at midrapidity for different collision centrality bins in Au+Au collisions at $\sqrt{s_{NN}}=200$ GeV.

The ratios of STAR $\pi^0$ spectra over $\pi^{\pm}$ from STAR and $\pi^0$ from PHENIX for different collision centrality bins in Au+Au collisions at $\sqrt{s_{NN}}=200$ GeV.

The nuclear modification factor $R_{CP}$ as a functon of $p_{T}$ of STAR $\pi^0$ in Au+Au collisions at $\sqrt{s_{NN}}=200$ GeV.

The nuclear modification factor $R_{AA}$ as a functon of $p_{T}$ of STAR $\pi^0$ in Au+Au collisions at $\sqrt{s_{NN}}=200$ GeV.

Data-to-cocktail ratio as a function of the invariant-mass. In the hadronic cocktail, random correlations of dielectrons from charm decays are assumed to simulate the effects of the interaction between charm quarks and the medium. The statistical and systematic uncertainties of data are represented by vertical bars and boxes.

Dielectron invariant-mass spectrum measured in central Pb-Pb collisions for the transverse-momentum interval 1.0 < $p_{\rm T,ee}$ < 2.0 GeV/$c. The statistical and systematic uncertainties of the data are represented by vertical bars and boxes.

Dielectron invariant-mass spectrum measured in central Pb--Pb collisions for the transverse-momentum interval 2.0 < $p_{\rm T,ee}$ < 4.0 GeV/$c. The statistical and systematic uncertainties of the data are represented by vertical bars and boxes.

Direct photon ratio $R_{\gamma^{(*)}}=1+\gamma^{(*)}_{\mathrm{dir}}/\gamma^{(*)}_{\mathrm{decay}}$ measured using virtual photons in the centrality range 0$-$10$\%$. The statistical and systematic uncertainties of the data are represented by vertical bars and boxes.

The acceptance-corrected excess dielectron mass spectra, normalized to the charged particle multiplicity at mid-rapidity dNch/dy, in Au+Au collisions at $\sqrt{s_{NN}}$ = 19.6 GeV. The dNch/dy values in Au+Au collisions at $\sqrt{s_{NN}}$ = 19.6 GeV are from Ref. [38]. The normalization uncertainty from the STAR measured dN/dy is about 10%, which is not shown in the table.

The acceptance-corrected excess dielectron mass spectra, normalized to the charged particle multiplicity at mid-rapidity dNch/dy, in Au+Au collisions at $\sqrt{s_{NN}}$ = 200 GeV. The dNch/dy values in Au+Au collisions at $\sqrt{s_{NN}}$ = 200 GeV are from Ref. [39]. The normalization uncertainty from the STAR measured dN/dy is about 10%, which is not shown in the table.

Integrated yields of the normalized dilepton excesses for 0.4 < $M^{ll}$ < 0.75 GeV/c$^2$ as a function of dNch/dy. From top to bottom: 0-80% Au+Au collisions at $\sqrt{s_{NN}}$ = 19.6 GeV, then 0-10%, 10-40%, 40-80% and 0-80% Au+Au collisions at $\sqrt{s_{NN}}$ = 200 GeV.

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