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Elliptic flow ($v_{2}$) values for identified particles at mid-rapidity in Au+Au collisions, measured by the STAR experiment in the Beam Energy Scan at RHIC at $\sqrt{s_{NN}}=$ 7.7--62.4 GeV, are presented. A beam-energy dependent difference of the values of $v_{2}$ between particles and corresponding anti-particles was observed. The difference increases with decreasing beam energy and is larger for baryons compared to mesons. This implies that, at lower energies, particles and anti-particles are not consistent with the universal number-of-constituent-quark (NCQ) scaling of $v_{2}$ that was observed at $\sqrt{s_{NN}}=$ 200 GeV.
The elliptic flow $v_{2}$ of protons and anti-protons as a function of the transverse momentum, $p_{T}$, for 0–80$\%$ central Au+Au collisions. The lower panels show the difference in $v_{2}(p_{T})$ between the particles and anti-particles. The solid curves are fits with a horizontal line. The shaded areas depict the magnitude of the systematic errors.
The elliptic flow $v_{2}$ of protons and anti-protons as a function of the transverse momentum, $p_{T}$, for 0–80$\%$ central Au+Au collisions. The lower panels show the difference in $v_{2}(p_{T})$ between the particles and anti-particles. The solid curves are fits with a horizontal line. The shaded areas depict the magnitude of the systematic errors.
The elliptic flow $v_{2}$ of protons and anti-protons as a function of the transverse momentum, $p_{T}$, for 0–80$\%$ central Au+Au collisions. The lower panels show the difference in $v_{2}(p_{T})$ between the particles and anti-particles. The solid curves are fits with a horizontal line. The shaded areas depict the magnitude of the systematic errors.
The elliptic flow $v_{2}$ of protons and anti-protons as a function of the transverse momentum, $p_{T}$, for 0–80$\%$ central Au+Au collisions. The lower panels show the difference in $v_{2}(p_{T})$ between the particles and anti-particles. The solid curves are fits with a horizontal line. The shaded areas depict the magnitude of the systematic errors.
The elliptic flow $v_{2}$ of protons and anti-protons as a function of the transverse momentum, $p_{T}$, for 0–80$\%$ central Au+Au collisions. The lower panels show the difference in $v_{2}(p_{T})$ between the particles and anti-particles. The solid curves are fits with a horizontal line. The shaded areas depict the magnitude of the systematic errors.
The elliptic flow $v_{2}$ of protons and anti-protons as a function of the transverse momentum, $p_{T}$, for 0–80$\%$ central Au+Au collisions. The lower panels show the difference in $v_{2}(p_{T})$ between the particles and anti-particles. The solid curves are fits with a horizontal line. The shaded areas depict the magnitude of the systematic errors.
The elliptic flow $v_{2}$ of protons and anti-protons as a function of the transverse momentum, $p_{T}$, for 0–80$\%$ central Au+Au collisions. The lower panels show the difference in $v_{2}(p_{T})$ between the particles and anti-particles. The solid curves are fits with a horizontal line. The shaded areas depict the magnitude of the systematic errors.
The elliptic flow $v_{2}$ of protons and anti-protons as a function of the transverse momentum, $p_{T}$, for 0–80$\%$ central Au+Au collisions. The lower panels show the difference in $v_{2}(p_{T})$ between the particles and anti-particles. The solid curves are fits with a horizontal line. The shaded areas depict the magnitude of the systematic errors.
The difference in $v_{2}$ between particles $(X)$ and their corresponding anti-particles $(X)$ (see legend) as a function of $\sqrt(s_{NN})$ for 0–80$\%$ central Au+Au collisions. The dashed lines in the plot are fits with a power-law function. The error bars depict the combined statistical and systematic errors.
The upper panels depict the elliptic flow, $v_{2}$, as a function of reduced transverse mass, $(m_{T} − m_{0})$, for particles, frames a) and b), and anti-particles, frames c) and d), in 0-80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV. Simultaneous fits to the mesons except the pions are shown as the dashed lines. The difference of the baryon $v_{2}$ and the meson fits are shown in the lower panels.
The upper panels depict the elliptic flow, $v_{2}$, as a function of reduced transverse mass, $(m_{T} − m_{0})$, for particles, frames a) and b), and anti-particles, frames c) and d), in 0-80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV. Simultaneous fits to the mesons except the pions are shown as the dashed lines. The difference of the baryon $v_{2}$ and the meson fits are shown in the lower panels.
The upper panels depict the elliptic flow, $v_{2}$, as a function of reduced transverse mass, $(m_{T} − m_{0})$, for particles, frames a) and b), and anti-particles, frames c) and d), in 0-80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV. Simultaneous fits to the mesons except the pions are shown as the dashed lines. The difference of the baryon $v_{2}$ and the meson fits are shown in the lower panels.
The upper panels depict the elliptic flow, $v_{2}$, as a function of reduced transverse mass, $(m_{T} − m_{0})$, for particles, frames a) and b), and anti-particles, frames c) and d), in 0-80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV. Simultaneous fits to the mesons except the pions are shown as the dashed lines. The difference of the baryon $v_{2}$ and the meson fits are shown in the lower panels.
The upper panels depict the elliptic flow, $v_{2}$, as a function of reduced transverse mass, $(m_{T} − m_{0})$, for particles, frames a) and b), and anti-particles, frames c) and d), in 0-80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV. Simultaneous fits to the mesons except the pions are shown as the dashed lines. The difference of the baryon $v_{2}$ and the meson fits are shown in the lower panels.
The upper panels depict the elliptic flow, $v_{2}$, as a function of reduced transverse mass, $(m_{T} − m_{0})$, for particles, frames a) and b), and anti-particles, frames c) and d), in 0-80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV. Simultaneous fits to the mesons except the pions are shown as the dashed lines. The difference of the baryon $v_{2}$ and the meson fits are shown in the lower panels.
The upper panels depict the elliptic flow, $v_{2}$, as a function of reduced transverse mass, $(m_{T} − m_{0})$, for particles, frames a) and b), and anti-particles, frames c) and d), in 0-80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV. Simultaneous fits to the mesons except the pions are shown as the dashed lines. The difference of the baryon $v_{2}$ and the meson fits are shown in the lower panels.
The upper panels depict the elliptic flow, $v_{2}$, as a function of reduced transverse mass, $(m_{T} − m_{0})$, for particles, frames a) and b), and anti-particles, frames c) and d), in 0-80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV. Simultaneous fits to the mesons except the pions are shown as the dashed lines. The difference of the baryon $v_{2}$ and the meson fits are shown in the lower panels.
The upper panels depict the elliptic flow, $v_{2}$, as a function of reduced transverse mass, $(m_{T} − m_{0})$, for particles, frames a) and b), and anti-particles, frames c) and d), in 0-80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV. Simultaneous fits to the mesons except the pions are shown as the dashed lines. The difference of the baryon $v_{2}$ and the meson fits are shown in the lower panels.
The upper panels depict the elliptic flow, $v_{2}$, as a function of reduced transverse mass, $(m_{T} − m_{0})$, for particles, frames a) and b), and anti-particles, frames c) and d), in 0-80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV. Simultaneous fits to the mesons except the pions are shown as the dashed lines. The difference of the baryon $v_{2}$ and the meson fits are shown in the lower panels.
The upper panels depict the elliptic flow, $v_{2}$, as a function of reduced transverse mass, $(m_{T} − m_{0})$, for particles, frames a) and b), and anti-particles, frames c) and d), in 0-80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV. Simultaneous fits to the mesons except the pions are shown as the dashed lines. The difference of the baryon $v_{2}$ and the meson fits are shown in the lower panels.
The upper panels depict the elliptic flow, $v_{2}$, as a function of reduced transverse mass, $(m_{T} − m_{0})$, for particles, frames a) and b), and anti-particles, frames c) and d), in 0-80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV. Simultaneous fits to the mesons except the pions are shown as the dashed lines. The difference of the baryon $v_{2}$ and the meson fits are shown in the lower panels.
The upper panels depict the elliptic flow, $v_{2}$, as a function of reduced transverse mass, $(m_{T} − m_{0})$, for particles, frames a) and b), and anti-particles, frames c) and d), in 0-80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV. Simultaneous fits to the mesons except the pions are shown as the dashed lines. The difference of the baryon $v_{2}$ and the meson fits are shown in the lower panels.
The upper panels depict the elliptic flow, $v_{2}$, as a function of reduced transverse mass, $(m_{T} − m_{0})$, for particles, frames a) and b), and anti-particles, frames c) and d), in 0-80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV. Simultaneous fits to the mesons except the pions are shown as the dashed lines. The difference of the baryon $v_{2}$ and the meson fits are shown in the lower panels.
The upper panels depict the elliptic flow, $v_{2}$, as a function of reduced transverse mass, $(m_{T} − m_{0})$, for particles, frames a) and b), and anti-particles, frames c) and d), in 0-80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV. Simultaneous fits to the mesons except the pions are shown as the dashed lines. The difference of the baryon $v_{2}$ and the meson fits are shown in the lower panels.
The upper panels depict the elliptic flow, $v_{2}$, as a function of reduced transverse mass, $(m_{T} − m_{0})$, for particles, frames a) and b), and anti-particles, frames c) and d), in 0-80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV. Simultaneous fits to the mesons except the pions are shown as the dashed lines. The difference of the baryon $v_{2}$ and the meson fits are shown in the lower panels.
The upper panels depict the elliptic flow, $v_{2}$, as a function of reduced transverse mass, $(m_{T} − m_{0})$, for particles, frames a) and b), and anti-particles, frames c) and d), in 0-80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV. Simultaneous fits to the mesons except the pions are shown as the dashed lines. The difference of the baryon $v_{2}$ and the meson fits are shown in the lower panels.
The upper panels depict the elliptic flow, $v_{2}$, as a function of reduced transverse mass, $(m_{T} − m_{0})$, for particles, frames a) and b), and anti-particles, frames c) and d), in 0-80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV. Simultaneous fits to the mesons except the pions are shown as the dashed lines. The difference of the baryon $v_{2}$ and the meson fits are shown in the lower panels.
The upper panels depict the elliptic flow, $v_{2}$, as a function of reduced transverse mass, $(m_{T} − m_{0})$, for particles, frames a) and b), and anti-particles, frames c) and d), in 0-80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV. Simultaneous fits to the mesons except the pions are shown as the dashed lines. The difference of the baryon $v_{2}$ and the meson fits are shown in the lower panels.
The upper panels depict the elliptic flow, $v_{2}$, as a function of reduced transverse mass, $(m_{T} − m_{0})$, for particles, frames a) and b), and anti-particles, frames c) and d), in 0-80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV. Simultaneous fits to the mesons except the pions are shown as the dashed lines. The difference of the baryon $v_{2}$ and the meson fits are shown in the lower panels.
The upper panels depict the elliptic flow, $v_{2}$, as a function of reduced transverse mass, $(m_{T} − m_{0})$, for particles, frames a) and b), and anti-particles, frames c) and d), in 0-80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV. Simultaneous fits to the mesons except the pions are shown as the dashed lines. The difference of the baryon $v_{2}$ and the meson fits are shown in the lower panels.
The upper panels depict the elliptic flow, $v_{2}$, as a function of reduced transverse mass, $(m_{T} − m_{0})$, for particles, frames a) and b), and anti-particles, frames c) and d), in 0-80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV. Simultaneous fits to the mesons except the pions are shown as the dashed lines. The difference of the baryon $v_{2}$ and the meson fits are shown in the lower panels.
The upper panels depict the elliptic flow, $v_{2}$, as a function of reduced transverse mass, $(m_{T} − m_{0})$, for particles, frames a) and b), and anti-particles, frames c) and d), in 0-80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV. Simultaneous fits to the mesons except the pions are shown as the dashed lines. The difference of the baryon $v_{2}$ and the meson fits are shown in the lower panels.
The upper panels depict the elliptic flow, $v_{2}$, as a function of reduced transverse mass, $(m_{T} − m_{0})$, for particles, frames a) and b), and anti-particles, frames c) and d), in 0-80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV. Simultaneous fits to the mesons except the pions are shown as the dashed lines. The difference of the baryon $v_{2}$ and the meson fits are shown in the lower panels.
The upper panels depict the elliptic flow, $v_{2}$, as a function of reduced transverse mass, $(m_{T} − m_{0})$, for particles, frames a) and b), and anti-particles, frames c) and d), in 0-80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV. Simultaneous fits to the mesons except the pions are shown as the dashed lines. The difference of the baryon $v_{2}$ and the meson fits are shown in the lower panels.
The upper panels depict the elliptic flow, $v_{2}$, as a function of reduced transverse mass, $(m_{T} − m_{0})$, for particles, frames a) and b), and anti-particles, frames c) and d), in 0-80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV. Simultaneous fits to the mesons except the pions are shown as the dashed lines. The difference of the baryon $v_{2}$ and the meson fits are shown in the lower panels.
The upper panels depict the elliptic flow, $v_{2}$, as a function of reduced transverse mass, $(m_{T} − m_{0})$, for particles, frames a) and b), and anti-particles, frames c) and d), in 0-80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV. Simultaneous fits to the mesons except the pions are shown as the dashed lines. The difference of the baryon $v_{2}$ and the meson fits are shown in the lower panels.
The upper panels depict the elliptic flow, $v_{2}$, as a function of reduced transverse mass, $(m_{T} − m_{0})$, for particles, frames a) and b), and anti-particles, frames c) and d), in 0-80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV. Simultaneous fits to the mesons except the pions are shown as the dashed lines. The difference of the baryon $v_{2}$ and the meson fits are shown in the lower panels.
The upper panels depict the elliptic flow, $v_{2}$, as a function of reduced transverse mass, $(m_{T} − m_{0})$, for particles, frames a) and b), and anti-particles, frames c) and d), in 0-80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV. Simultaneous fits to the mesons except the pions are shown as the dashed lines. The difference of the baryon $v_{2}$ and the meson fits are shown in the lower panels.
The upper panels depict the elliptic flow, $v_{2}$, as a function of reduced transverse mass, $(m_{T} − m_{0})$, for particles, frames a) and b), and anti-particles, frames c) and d), in 0-80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV. Simultaneous fits to the mesons except the pions are shown as the dashed lines. The difference of the baryon $v_{2}$ and the meson fits are shown in the lower panels.
The upper panels depict the elliptic flow, $v_{2}$, as a function of reduced transverse mass, $(m_{T} − m_{0})$, for particles, frames a) and b), and anti-particles, frames c) and d), in 0-80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV. Simultaneous fits to the mesons except the pions are shown as the dashed lines. The difference of the baryon $v_{2}$ and the meson fits are shown in the lower panels.
The upper panels depict the elliptic flow, $v_{2}$, as a function of reduced transverse mass, $(m_{T} − m_{0})$, for particles, frames a) and b), and anti-particles, frames c) and d), in 0-80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV. Simultaneous fits to the mesons except the pions are shown as the dashed lines. The difference of the baryon $v_{2}$ and the meson fits are shown in the lower panels.
The upper panels depict the elliptic flow, $v_{2}$, as a function of reduced transverse mass, $(m_{T} − m_{0})$, for particles, frames a) and b), and anti-particles, frames c) and d), in 0-80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV. Simultaneous fits to the mesons except the pions are shown as the dashed lines. The difference of the baryon $v_{2}$ and the meson fits are shown in the lower panels.
The upper panels depict the elliptic flow, $v_{2}$, as a function of reduced transverse mass, $(m_{T} − m_{0})$, for particles, frames a) and b), and anti-particles, frames c) and d), in 0-80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV. Simultaneous fits to the mesons except the pions are shown as the dashed lines. The difference of the baryon $v_{2}$ and the meson fits are shown in the lower panels.
The upper panels depict the elliptic flow, $v_{2}$, as a function of reduced transverse mass, $(m_{T} − m_{0})$, for particles, frames a) and b), and anti-particles, frames c) and d), in 0-80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV. Simultaneous fits to the mesons except the pions are shown as the dashed lines. The difference of the baryon $v_{2}$ and the meson fits are shown in the lower panels.
The upper panels depict the elliptic flow, $v_{2}$, as a function of reduced transverse mass, $(m_{T} − m_{0})$, for particles, frames a) and b), and anti-particles, frames c) and d), in 0-80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV. Simultaneous fits to the mesons except the pions are shown as the dashed lines. The difference of the baryon $v_{2}$ and the meson fits are shown in the lower panels.
The upper panels depict the elliptic flow, $v_{2}$, as a function of reduced transverse mass, $(m_{T} − m_{0})$, for particles, frames a) and b), and anti-particles, frames c) and d), in 0-80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV. Simultaneous fits to the mesons except the pions are shown as the dashed lines. The difference of the baryon $v_{2}$ and the meson fits are shown in the lower panels.
The upper panels depict the elliptic flow, $v_{2}$, as a function of reduced transverse mass, $(m_{T} − m_{0})$, for particles, frames a) and b), and anti-particles, frames c) and d), in 0-80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV. Simultaneous fits to the mesons except the pions are shown as the dashed lines. The difference of the baryon $v_{2}$ and the meson fits are shown in the lower panels.
The upper panels depict the elliptic flow, $v_{2}$, as a function of reduced transverse mass, $(m_{T} − m_{0})$, for particles, frames a) and b), and anti-particles, frames c) and d), in 0-80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV. Simultaneous fits to the mesons except the pions are shown as the dashed lines. The difference of the baryon $v_{2}$ and the meson fits are shown in the lower panels.
The upper panels depict the elliptic flow, $v_{2}$, as a function of reduced transverse mass, $(m_{T} − m_{0})$, for particles, frames a) and b), and anti-particles, frames c) and d), in 0-80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV. Simultaneous fits to the mesons except the pions are shown as the dashed lines. The difference of the baryon $v_{2}$ and the meson fits are shown in the lower panels.
The upper panels depict the elliptic flow, $v_{2}$, as a function of reduced transverse mass, $(m_{T} − m_{0})$, for particles, frames a) and b), and anti-particles, frames c) and d), in 0-80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV. Simultaneous fits to the mesons except the pions are shown as the dashed lines. The difference of the baryon $v_{2}$ and the meson fits are shown in the lower panels.
The upper panels depict the elliptic flow, $v_{2}$, as a function of reduced transverse mass, $(m_{T} − m_{0})$, for particles, frames a) and b), and anti-particles, frames c) and d), in 0-80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV. Simultaneous fits to the mesons except the pions are shown as the dashed lines. The difference of the baryon $v_{2}$ and the meson fits are shown in the lower panels.
The upper panels depict the elliptic flow, $v_{2}$, as a function of reduced transverse mass, $(m_{T} − m_{0})$, for particles, frames a) and b), and anti-particles, frames c) and d), in 0-80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV. Simultaneous fits to the mesons except the pions are shown as the dashed lines. The difference of the baryon $v_{2}$ and the meson fits are shown in the lower panels.
The upper panels depict the elliptic flow, $v_{2}$, as a function of reduced transverse mass, $(m_{T} − m_{0})$, for particles, frames a) and b), and anti-particles, frames c) and d), in 0-80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV. Simultaneous fits to the mesons except the pions are shown as the dashed lines. The difference of the baryon $v_{2}$ and the meson fits are shown in the lower panels.
The number-of-constituent quark scaled elliptic flow $(v_{2}/n_{q})((m_{T} − m_{0})/n_{q})$ for 0–80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV for selected particles, frames a) and b), and corresponding anti-particles, frames c) and d). The dashed lines are simultaneous fits [29] to all of the data sets at a given energy. The lower panels depict the ratios to the fits, while a $\pm10\%$ interval is shown as the shaded area to guide the eye. Some data points for $\varphi$ and $\Xi$ are out of the plot range in the lower panels of frames a) and c).
The number-of-constituent quark scaled elliptic flow $(v_{2}/n_{q})((m_{T} − m_{0})/n_{q})$ for 0–80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV for selected particles, frames a) and b), and corresponding anti-particles, frames c) and d). The dashed lines are simultaneous fits [29] to all of the data sets at a given energy. The lower panels depict the ratios to the fits, while a $\pm10\%$ interval is shown as the shaded area to guide the eye. Some data points for $\varphi$ and $\Xi$ are out of the plot range in the lower panels of frames a) and c).
The number-of-constituent quark scaled elliptic flow $(v_{2}/n_{q})((m_{T} − m_{0})/n_{q})$ for 0–80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV for selected particles, frames a) and b), and corresponding anti-particles, frames c) and d). The dashed lines are simultaneous fits [29] to all of the data sets at a given energy. The lower panels depict the ratios to the fits, while a $\pm10\%$ interval is shown as the shaded area to guide the eye. Some data points for $\varphi$ and $\Xi$ are out of the plot range in the lower panels of frames a) and c).
The number-of-constituent quark scaled elliptic flow $(v_{2}/n_{q})((m_{T} − m_{0})/n_{q})$ for 0–80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV for selected particles, frames a) and b), and corresponding anti-particles, frames c) and d). The dashed lines are simultaneous fits [29] to all of the data sets at a given energy. The lower panels depict the ratios to the fits, while a $\pm10\%$ interval is shown as the shaded area to guide the eye. Some data points for $\varphi$ and $\Xi$ are out of the plot range in the lower panels of frames a) and c).
The number-of-constituent quark scaled elliptic flow $(v_{2}/n_{q})((m_{T} − m_{0})/n_{q})$ for 0–80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV for selected particles, frames a) and b), and corresponding anti-particles, frames c) and d). The dashed lines are simultaneous fits [29] to all of the data sets at a given energy. The lower panels depict the ratios to the fits, while a $\pm10\%$ interval is shown as the shaded area to guide the eye. Some data points for $\varphi$ and $\Xi$ are out of the plot range in the lower panels of frames a) and c).
The number-of-constituent quark scaled elliptic flow $(v_{2}/n_{q})((m_{T} − m_{0})/n_{q})$ for 0–80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV for selected particles, frames a) and b), and corresponding anti-particles, frames c) and d). The dashed lines are simultaneous fits [29] to all of the data sets at a given energy. The lower panels depict the ratios to the fits, while a $\pm10\%$ interval is shown as the shaded area to guide the eye. Some data points for $\varphi$ and $\Xi$ are out of the plot range in the lower panels of frames a) and c).
The number-of-constituent quark scaled elliptic flow $(v_{2}/n_{q})((m_{T} − m_{0})/n_{q})$ for 0–80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV for selected particles, frames a) and b), and corresponding anti-particles, frames c) and d). The dashed lines are simultaneous fits [29] to all of the data sets at a given energy. The lower panels depict the ratios to the fits, while a $\pm10\%$ interval is shown as the shaded area to guide the eye. Some data points for $\varphi$ and $\Xi$ are out of the plot range in the lower panels of frames a) and c).
The number-of-constituent quark scaled elliptic flow $(v_{2}/n_{q})((m_{T} − m_{0})/n_{q})$ for 0–80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV for selected particles, frames a) and b), and corresponding anti-particles, frames c) and d). The dashed lines are simultaneous fits [29] to all of the data sets at a given energy. The lower panels depict the ratios to the fits, while a $\pm10\%$ interval is shown as the shaded area to guide the eye. Some data points for $\varphi$ and $\Xi$ are out of the plot range in the lower panels of frames a) and c).
The number-of-constituent quark scaled elliptic flow $(v_{2}/n_{q})((m_{T} − m_{0})/n_{q})$ for 0–80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV for selected particles, frames a) and b), and corresponding anti-particles, frames c) and d). The dashed lines are simultaneous fits [29] to all of the data sets at a given energy. The lower panels depict the ratios to the fits, while a $\pm10\%$ interval is shown as the shaded area to guide the eye. Some data points for $\varphi$ and $\Xi$ are out of the plot range in the lower panels of frames a) and c).
The number-of-constituent quark scaled elliptic flow $(v_{2}/n_{q})((m_{T} − m_{0})/n_{q})$ for 0–80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV for selected particles, frames a) and b), and corresponding anti-particles, frames c) and d). The dashed lines are simultaneous fits [29] to all of the data sets at a given energy. The lower panels depict the ratios to the fits, while a $\pm10\%$ interval is shown as the shaded area to guide the eye. Some data points for $\varphi$ and $\Xi$ are out of the plot range in the lower panels of frames a) and c).
The number-of-constituent quark scaled elliptic flow $(v_{2}/n_{q})((m_{T} − m_{0})/n_{q})$ for 0–80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV for selected particles, frames a) and b), and corresponding anti-particles, frames c) and d). The dashed lines are simultaneous fits [29] to all of the data sets at a given energy. The lower panels depict the ratios to the fits, while a $\pm10\%$ interval is shown as the shaded area to guide the eye. Some data points for $\varphi$ and $\Xi$ are out of the plot range in the lower panels of frames a) and c).
The number-of-constituent quark scaled elliptic flow $(v_{2}/n_{q})((m_{T} − m_{0})/n_{q})$ for 0–80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV for selected particles, frames a) and b), and corresponding anti-particles, frames c) and d). The dashed lines are simultaneous fits [29] to all of the data sets at a given energy. The lower panels depict the ratios to the fits, while a $\pm10\%$ interval is shown as the shaded area to guide the eye. Some data points for $\varphi$ and $\Xi$ are out of the plot range in the lower panels of frames a) and c).
The number-of-constituent quark scaled elliptic flow $(v_{2}/n_{q})((m_{T} − m_{0})/n_{q})$ for 0–80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV for selected particles, frames a) and b), and corresponding anti-particles, frames c) and d). The dashed lines are simultaneous fits [29] to all of the data sets at a given energy. The lower panels depict the ratios to the fits, while a $\pm10\%$ interval is shown as the shaded area to guide the eye. Some data points for $\varphi$ and $\Xi$ are out of the plot range in the lower panels of frames a) and c).
The number-of-constituent quark scaled elliptic flow $(v_{2}/n_{q})((m_{T} − m_{0})/n_{q})$ for 0–80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV for selected particles, frames a) and b), and corresponding anti-particles, frames c) and d). The dashed lines are simultaneous fits [29] to all of the data sets at a given energy. The lower panels depict the ratios to the fits, while a $\pm10\%$ interval is shown as the shaded area to guide the eye. Some data points for $\varphi$ and $\Xi$ are out of the plot range in the lower panels of frames a) and c).
The number-of-constituent quark scaled elliptic flow $(v_{2}/n_{q})((m_{T} − m_{0})/n_{q})$ for 0–80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV for selected particles, frames a) and b), and corresponding anti-particles, frames c) and d). The dashed lines are simultaneous fits [29] to all of the data sets at a given energy. The lower panels depict the ratios to the fits, while a $\pm10\%$ interval is shown as the shaded area to guide the eye. Some data points for $\varphi$ and $\Xi$ are out of the plot range in the lower panels of frames a) and c).
The number-of-constituent quark scaled elliptic flow $(v_{2}/n_{q})((m_{T} − m_{0})/n_{q})$ for 0–80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV for selected particles, frames a) and b), and corresponding anti-particles, frames c) and d). The dashed lines are simultaneous fits [29] to all of the data sets at a given energy. The lower panels depict the ratios to the fits, while a $\pm10\%$ interval is shown as the shaded area to guide the eye. Some data points for $\varphi$ and $\Xi$ are out of the plot range in the lower panels of frames a) and c).
The number-of-constituent quark scaled elliptic flow $(v_{2}/n_{q})((m_{T} − m_{0})/n_{q})$ for 0–80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV for selected particles, frames a) and b), and corresponding anti-particles, frames c) and d). The dashed lines are simultaneous fits [29] to all of the data sets at a given energy. The lower panels depict the ratios to the fits, while a $\pm10\%$ interval is shown as the shaded area to guide the eye. Some data points for $\varphi$ and $\Xi$ are out of the plot range in the lower panels of frames a) and c).
The number-of-constituent quark scaled elliptic flow $(v_{2}/n_{q})((m_{T} − m_{0})/n_{q})$ for 0–80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV for selected particles, frames a) and b), and corresponding anti-particles, frames c) and d). The dashed lines are simultaneous fits [29] to all of the data sets at a given energy. The lower panels depict the ratios to the fits, while a $\pm10\%$ interval is shown as the shaded area to guide the eye. Some data points for $\varphi$ and $\Xi$ are out of the plot range in the lower panels of frames a) and c).
The number-of-constituent quark scaled elliptic flow $(v_{2}/n_{q})((m_{T} − m_{0})/n_{q})$ for 0–80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV for selected particles, frames a) and b), and corresponding anti-particles, frames c) and d). The dashed lines are simultaneous fits [29] to all of the data sets at a given energy. The lower panels depict the ratios to the fits, while a $\pm10\%$ interval is shown as the shaded area to guide the eye. Some data points for $\varphi$ and $\Xi$ are out of the plot range in the lower panels of frames a) and c).
The number-of-constituent quark scaled elliptic flow $(v_{2}/n_{q})((m_{T} − m_{0})/n_{q})$ for 0–80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV for selected particles, frames a) and b), and corresponding anti-particles, frames c) and d). The dashed lines are simultaneous fits [29] to all of the data sets at a given energy. The lower panels depict the ratios to the fits, while a $\pm10\%$ interval is shown as the shaded area to guide the eye. Some data points for $\varphi$ and $\Xi$ are out of the plot range in the lower panels of frames a) and c).
The number-of-constituent quark scaled elliptic flow $(v_{2}/n_{q})((m_{T} − m_{0})/n_{q})$ for 0–80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV for selected particles, frames a) and b), and corresponding anti-particles, frames c) and d). The dashed lines are simultaneous fits [29] to all of the data sets at a given energy. The lower panels depict the ratios to the fits, while a $\pm10\%$ interval is shown as the shaded area to guide the eye. Some data points for $\varphi$ and $\Xi$ are out of the plot range in the lower panels of frames a) and c).
The number-of-constituent quark scaled elliptic flow $(v_{2}/n_{q})((m_{T} − m_{0})/n_{q})$ for 0–80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV for selected particles, frames a) and b), and corresponding anti-particles, frames c) and d). The dashed lines are simultaneous fits [29] to all of the data sets at a given energy. The lower panels depict the ratios to the fits, while a $\pm10\%$ interval is shown as the shaded area to guide the eye. Some data points for $\varphi$ and $\Xi$ are out of the plot range in the lower panels of frames a) and c).
The number-of-constituent quark scaled elliptic flow $(v_{2}/n_{q})((m_{T} − m_{0})/n_{q})$ for 0–80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV for selected particles, frames a) and b), and corresponding anti-particles, frames c) and d). The dashed lines are simultaneous fits [29] to all of the data sets at a given energy. The lower panels depict the ratios to the fits, while a $\pm10\%$ interval is shown as the shaded area to guide the eye. Some data points for $\varphi$ and $\Xi$ are out of the plot range in the lower panels of frames a) and c).
The number-of-constituent quark scaled elliptic flow $(v_{2}/n_{q})((m_{T} − m_{0})/n_{q})$ for 0–80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV for selected particles, frames a) and b), and corresponding anti-particles, frames c) and d). The dashed lines are simultaneous fits [29] to all of the data sets at a given energy. The lower panels depict the ratios to the fits, while a $\pm10\%$ interval is shown as the shaded area to guide the eye. Some data points for $\varphi$ and $\Xi$ are out of the plot range in the lower panels of frames a) and c).
The number-of-constituent quark scaled elliptic flow $(v_{2}/n_{q})((m_{T} − m_{0})/n_{q})$ for 0–80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV for selected particles, frames a) and b), and corresponding anti-particles, frames c) and d). The dashed lines are simultaneous fits [29] to all of the data sets at a given energy. The lower panels depict the ratios to the fits, while a $\pm10\%$ interval is shown as the shaded area to guide the eye. Some data points for $\varphi$ and $\Xi$ are out of the plot range in the lower panels of frames a) and c).
The number-of-constituent quark scaled elliptic flow $(v_{2}/n_{q})((m_{T} − m_{0})/n_{q})$ for 0–80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV for selected particles, frames a) and b), and corresponding anti-particles, frames c) and d). The dashed lines are simultaneous fits [29] to all of the data sets at a given energy. The lower panels depict the ratios to the fits, while a $\pm10\%$ interval is shown as the shaded area to guide the eye. Some data points for $\varphi$ and $\Xi$ are out of the plot range in the lower panels of frames a) and c).
The number-of-constituent quark scaled elliptic flow $(v_{2}/n_{q})((m_{T} − m_{0})/n_{q})$ for 0–80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV for selected particles, frames a) and b), and corresponding anti-particles, frames c) and d). The dashed lines are simultaneous fits [29] to all of the data sets at a given energy. The lower panels depict the ratios to the fits, while a $\pm10\%$ interval is shown as the shaded area to guide the eye. Some data points for $\varphi$ and $\Xi$ are out of the plot range in the lower panels of frames a) and c).
The number-of-constituent quark scaled elliptic flow $(v_{2}/n_{q})((m_{T} − m_{0})/n_{q})$ for 0–80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV for selected particles, frames a) and b), and corresponding anti-particles, frames c) and d). The dashed lines are simultaneous fits [29] to all of the data sets at a given energy. The lower panels depict the ratios to the fits, while a $\pm10\%$ interval is shown as the shaded area to guide the eye. Some data points for $\varphi$ and $\Xi$ are out of the plot range in the lower panels of frames a) and c).
The number-of-constituent quark scaled elliptic flow $(v_{2}/n_{q})((m_{T} − m_{0})/n_{q})$ for 0–80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV for selected particles, frames a) and b), and corresponding anti-particles, frames c) and d). The dashed lines are simultaneous fits [29] to all of the data sets at a given energy. The lower panels depict the ratios to the fits, while a $\pm10\%$ interval is shown as the shaded area to guide the eye. Some data points for $\varphi$ and $\Xi$ are out of the plot range in the lower panels of frames a) and c).
The number-of-constituent quark scaled elliptic flow $(v_{2}/n_{q})((m_{T} − m_{0})/n_{q})$ for 0–80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV for selected particles, frames a) and b), and corresponding anti-particles, frames c) and d). The dashed lines are simultaneous fits [29] to all of the data sets at a given energy. The lower panels depict the ratios to the fits, while a $\pm10\%$ interval is shown as the shaded area to guide the eye. Some data points for $\varphi$ and $\Xi$ are out of the plot range in the lower panels of frames a) and c).
The number-of-constituent quark scaled elliptic flow $(v_{2}/n_{q})((m_{T} − m_{0})/n_{q})$ for 0–80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV for selected particles, frames a) and b), and corresponding anti-particles, frames c) and d). The dashed lines are simultaneous fits [29] to all of the data sets at a given energy. The lower panels depict the ratios to the fits, while a $\pm10\%$ interval is shown as the shaded area to guide the eye. Some data points for $\varphi$ and $\Xi$ are out of the plot range in the lower panels of frames a) and c).
The number-of-constituent quark scaled elliptic flow $(v_{2}/n_{q})((m_{T} − m_{0})/n_{q})$ for 0–80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV for selected particles, frames a) and b), and corresponding anti-particles, frames c) and d). The dashed lines are simultaneous fits [29] to all of the data sets at a given energy. The lower panels depict the ratios to the fits, while a $\pm10\%$ interval is shown as the shaded area to guide the eye. Some data points for $\varphi$ and $\Xi$ are out of the plot range in the lower panels of frames a) and c).
The number-of-constituent quark scaled elliptic flow $(v_{2}/n_{q})((m_{T} − m_{0})/n_{q})$ for 0–80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV for selected particles, frames a) and b), and corresponding anti-particles, frames c) and d). The dashed lines are simultaneous fits [29] to all of the data sets at a given energy. The lower panels depict the ratios to the fits, while a $\pm10\%$ interval is shown as the shaded area to guide the eye. Some data points for $\varphi$ and $\Xi$ are out of the plot range in the lower panels of frames a) and c).
The number-of-constituent quark scaled elliptic flow $(v_{2}/n_{q})((m_{T} − m_{0})/n_{q})$ for 0–80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV for selected particles, frames a) and b), and corresponding anti-particles, frames c) and d). The dashed lines are simultaneous fits [29] to all of the data sets at a given energy. The lower panels depict the ratios to the fits, while a $\pm10\%$ interval is shown as the shaded area to guide the eye. Some data points for $\varphi$ and $\Xi$ are out of the plot range in the lower panels of frames a) and c).
The number-of-constituent quark scaled elliptic flow $(v_{2}/n_{q})((m_{T} − m_{0})/n_{q})$ for 0–80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV for selected particles, frames a) and b), and corresponding anti-particles, frames c) and d). The dashed lines are simultaneous fits [29] to all of the data sets at a given energy. The lower panels depict the ratios to the fits, while a $\pm10\%$ interval is shown as the shaded area to guide the eye. Some data points for $\varphi$ and $\Xi$ are out of the plot range in the lower panels of frames a) and c).
The number-of-constituent quark scaled elliptic flow $(v_{2}/n_{q})((m_{T} − m_{0})/n_{q})$ for 0–80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV for selected particles, frames a) and b), and corresponding anti-particles, frames c) and d). The dashed lines are simultaneous fits [29] to all of the data sets at a given energy. The lower panels depict the ratios to the fits, while a $\pm10\%$ interval is shown as the shaded area to guide the eye. Some data points for $\varphi$ and $\Xi$ are out of the plot range in the lower panels of frames a) and c).
The number-of-constituent quark scaled elliptic flow $(v_{2}/n_{q})((m_{T} − m_{0})/n_{q})$ for 0–80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV for selected particles, frames a) and b), and corresponding anti-particles, frames c) and d). The dashed lines are simultaneous fits [29] to all of the data sets at a given energy. The lower panels depict the ratios to the fits, while a $\pm10\%$ interval is shown as the shaded area to guide the eye. Some data points for $\varphi$ and $\Xi$ are out of the plot range in the lower panels of frames a) and c).
The number-of-constituent quark scaled elliptic flow $(v_{2}/n_{q})((m_{T} − m_{0})/n_{q})$ for 0–80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV for selected particles, frames a) and b), and corresponding anti-particles, frames c) and d). The dashed lines are simultaneous fits [29] to all of the data sets at a given energy. The lower panels depict the ratios to the fits, while a $\pm10\%$ interval is shown as the shaded area to guide the eye. Some data points for $\varphi$ and $\Xi$ are out of the plot range in the lower panels of frames a) and c).
The number-of-constituent quark scaled elliptic flow $(v_{2}/n_{q})((m_{T} − m_{0})/n_{q})$ for 0–80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV for selected particles, frames a) and b), and corresponding anti-particles, frames c) and d). The dashed lines are simultaneous fits [29] to all of the data sets at a given energy. The lower panels depict the ratios to the fits, while a $\pm10\%$ interval is shown as the shaded area to guide the eye. Some data points for $\varphi$ and $\Xi$ are out of the plot range in the lower panels of frames a) and c).
The number-of-constituent quark scaled elliptic flow $(v_{2}/n_{q})((m_{T} − m_{0})/n_{q})$ for 0–80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV for selected particles, frames a) and b), and corresponding anti-particles, frames c) and d). The dashed lines are simultaneous fits [29] to all of the data sets at a given energy. The lower panels depict the ratios to the fits, while a $\pm10\%$ interval is shown as the shaded area to guide the eye. Some data points for $\varphi$ and $\Xi$ are out of the plot range in the lower panels of frames a) and c).
The number-of-constituent quark scaled elliptic flow $(v_{2}/n_{q})((m_{T} − m_{0})/n_{q})$ for 0–80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV for selected particles, frames a) and b), and corresponding anti-particles, frames c) and d). The dashed lines are simultaneous fits [29] to all of the data sets at a given energy. The lower panels depict the ratios to the fits, while a $\pm10\%$ interval is shown as the shaded area to guide the eye. Some data points for $\varphi$ and $\Xi$ are out of the plot range in the lower panels of frames a) and c).
The number-of-constituent quark scaled elliptic flow $(v_{2}/n_{q})((m_{T} − m_{0})/n_{q})$ for 0–80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV for selected particles, frames a) and b), and corresponding anti-particles, frames c) and d). The dashed lines are simultaneous fits [29] to all of the data sets at a given energy. The lower panels depict the ratios to the fits, while a $\pm10\%$ interval is shown as the shaded area to guide the eye. Some data points for $\varphi$ and $\Xi$ are out of the plot range in the lower panels of frames a) and c).
The number-of-constituent quark scaled elliptic flow $(v_{2}/n_{q})((m_{T} − m_{0})/n_{q})$ for 0–80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV for selected particles, frames a) and b), and corresponding anti-particles, frames c) and d). The dashed lines are simultaneous fits [29] to all of the data sets at a given energy. The lower panels depict the ratios to the fits, while a $\pm10\%$ interval is shown as the shaded area to guide the eye. Some data points for $\varphi$ and $\Xi$ are out of the plot range in the lower panels of frames a) and c).
The number-of-constituent quark scaled elliptic flow $(v_{2}/n_{q})((m_{T} − m_{0})/n_{q})$ for 0–80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV for selected particles, frames a) and b), and corresponding anti-particles, frames c) and d). The dashed lines are simultaneous fits [29] to all of the data sets at a given energy. The lower panels depict the ratios to the fits, while a $\pm10\%$ interval is shown as the shaded area to guide the eye. Some data points for $\varphi$ and $\Xi$ are out of the plot range in the lower panels of frames a) and c).
The number-of-constituent quark scaled elliptic flow $(v_{2}/n_{q})((m_{T} − m_{0})/n_{q})$ for 0–80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV for selected particles, frames a) and b), and corresponding anti-particles, frames c) and d). The dashed lines are simultaneous fits [29] to all of the data sets at a given energy. The lower panels depict the ratios to the fits, while a $\pm10\%$ interval is shown as the shaded area to guide the eye. Some data points for $\varphi$ and $\Xi$ are out of the plot range in the lower panels of frames a) and c).
The number-of-constituent quark scaled elliptic flow $(v_{2}/n_{q})((m_{T} − m_{0})/n_{q})$ for 0–80$\%$ central Au+Au collisions at $\sqrt{s_{NN}}$ = 11.5 and 62.4 GeV for selected particles, frames a) and b), and corresponding anti-particles, frames c) and d). The dashed lines are simultaneous fits [29] to all of the data sets at a given energy. The lower panels depict the ratios to the fits, while a $\pm10\%$ interval is shown as the shaded area to guide the eye. Some data points for $\varphi$ and $\Xi$ are out of the plot range in the lower panels of frames a) and c).
Measurements of the elliptic flow, $v_{2}$, of identified hadrons ($\pi^{\pm}$, $K^{\pm}$, $K_{s}^{0}$, $p$, $\bar{p}$, $\phi$, $\Lambda$, $\bar{\Lambda}$, $\Xi^{-}$, $\bar{\Xi}^{+}$, $\Omega^{-}$, $\bar{\Omega}^{+}$) in Au+Au collisions at $\sqrt{s_{NN}}=$ 7.7, 11.5, 19.6, 27, 39 and 62.4 GeV are presented. The measurements were done at mid-rapidity using the Time Projection Chamber and the Time-of-Flight detectors of the STAR experiment during the Beam Energy Scan program at RHIC. A significant difference in the $v_{2}$ values for particles and the corresponding anti-particles was observed at all transverse momenta for the first time. The difference increases with decreasing center-of-mass energy, $\sqrt{s_{NN}}$ (or increasing baryon chemical potential, $\mu_{B}$) and is larger for the baryons as compared to the mesons. This implies that particles and anti-particles are no longer consistent with the universal number-of-constituent quark (NCQ) scaling of $v_{2}$ that was observed at $\sqrt{s_{NN}}=$ 200 GeV. However, for the group of particles NCQ scaling at $(m_{T}-m_{0})/n_{q}>$ 0.4 GeV/$c^{2}$ is not violated within $\pm$10%. The $v_{2}$ values for $\phi$ mesons at 7.7 and 11.5 GeV are approximately two standard deviations from the trend defined by the other hadrons at the highest measured $p_{T}$ values.
The elliptic flow,v_2, as a function of the transverse momentum,p_T, from 0–80% central Au+Au collisions for various particle species and energies.
The elliptic flow,v_2, as a function of the transverse momentum,p_T, from 0–80% central Au+Au collisions for various particle species and energies.
The elliptic flow,v_2, as a function of the transverse momentum,p_T, from 0–80% central Au+Au collisions for various particle species and energies.
The elliptic flow,v_2, as a function of the transverse momentum,p_T, from 0–80% central Au+Au collisions for various particle species and energies.
The elliptic flow,v_2, as a function of the transverse momentum,p_T, from 0–80% central Au+Au collisions for various particle species and energies.
The elliptic flow,v_2, as a function of the transverse momentum,p_T, from 0–80% central Au+Au collisions for various particle species and energies.
The elliptic flow,v_2, as a function of the transverse momentum,p_T, from 0–80% central Au+Au collisions for various particle species and energies.
The elliptic flow,v_2, as a function of the transverse momentum,p_T, from 0–80% central Au+Au collisions for various particle species and energies.
The elliptic flow,v_2, as a function of the transverse momentum,p_T, from 0–80% central Au+Au collisions for various particle species and energies.
The elliptic flow,v_2, as a function of the transverse momentum,p_T, from 0–80% central Au+Au collisions for various particle species and energies.
The elliptic flow,v_2, as a function of the transverse momentum,p_T, from 0–80% central Au+Au collisions for various particle species and energies.
The elliptic flow,v_2, as a function of the transverse momentum,p_T, from 0–80% central Au+Au collisions for various particle species and energies.
The elliptic flow,v_2, as a function of the transverse momentum,p_T, from 0–80% central Au+Au collisions for various particle species and energies.
The elliptic flow,v_2, as a function of the transverse momentum,p_T, from 0–80% central Au+Au collisions for various particle species and energies.
The elliptic flow,v_2, as a function of the transverse momentum,p_T, from 0–80% central Au+Au collisions for various particle species and energies.
The elliptic flow,v_2, as a function of the transverse momentum,p_T, from 0–80% central Au+Au collisions for various particle species and energies.
The elliptic flow,v_2, as a function of the transverse momentum,p_T, from 0–80% central Au+Au collisions for various particle species and energies.
The elliptic flow,v_2, as a function of the transverse momentum,p_T, from 0–80% central Au+Au collisions for various particle species and energies.
The elliptic flow,v_2, as a function of the transverse momentum,p_T, from 0–80% central Au+Au collisions for various particle species and energies.
The elliptic flow,v_2, as a function of the transverse momentum,p_T, from 0–80% central Au+Au collisions for various particle species and energies.
The elliptic flow,v_2, as a function of the transverse momentum,p_T, from 0–80% central Au+Au collisions for various particle species and energies.
The elliptic flow,v_2, as a function of the transverse momentum,p_T, from 0–80% central Au+Au collisions for various particle species and energies.
The elliptic flow,v_2, as a function of the transverse momentum,p_T, from 0–80% central Au+Au collisions for various particle species and energies.
The elliptic flow,v_2, as a function of the transverse momentum,p_T, from 0–80% central Au+Au collisions for various particle species and energies.
The elliptic flow,v_2, as a function of the transverse momentum,p_T, from 0–80% central Au+Au collisions for various particle species and energies.
The elliptic flow,v_2, as a function of the transverse momentum,p_T, from 0–80% central Au+Au collisions for various particle species and energies.
The elliptic flow,v_2, as a function of the transverse momentum,p_T, from 0–80% central Au+Au collisions for various particle species and energies.
The elliptic flow,v_2, as a function of the transverse momentum,p_T, from 0–80% central Au+Au collisions for various particle species and energies.
The elliptic flow,v_2, as a function of the transverse momentum,p_T, from 0–80% central Au+Au collisions for various particle species and energies.
The elliptic flow,v_2, as a function of the transverse momentum, p_T, from 0–80% central Au+Au collisions for various particle species and energies.
The elliptic flow,v_2, as a function of the transverse momentum,p_T, from 0–80% central Au+Au collisions for various particle species and energies.
The elliptic flow,v_2, as a function of the transverse momentum,p_T, from 0–80% central Au+Au collisions for various particle species and energies.
The elliptic flow,v_2, as a function of the transverse momentum,p_T, from 0–80% central Au+Au collisions for various particle species and energies.
The elliptic flow,v_2, as a function of the transverse momentum,p_T, from 0–80% central Au+Au collisions for various particle species and energies.
The elliptic flow,v_2, as a function of the transverse momentum,p_T, from 0–80% central Au+Au collisions for various particle species and energies.
The elliptic flow,v_2, as a function of the transverse momentum,p_T, from 0–80% central Au+Au collisions for various particle species and energies.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected particles re plotted only for the transverse momentum range of 0.2< pT<1.6 GeV/c to emphasize the mass ordering at low p__T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected particles re plotted only for the transverse momentum range of 0.2< pT<1.6 GeV/c to emphasize the mass ordering at low p__T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected particles re plotted only for the transverse momentum range of 0.2< pT<1.6 GeV/c to emphasize the mass ordering at low p__T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected particles re plotted only for the transverse momentum range of 0.2< pT<1.6 GeV/c to emphasize the mass ordering at low p__T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected particles re plotted only for the transverse momentum range of 0.2< pT<1.6 GeV/c to emphasize the mass ordering at low p__T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected particles re plotted only for the transverse momentum range of 0.2< pT<1.6 GeV/c to emphasize the mass ordering at low p__T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected particles re plotted only for the transverse momentum range of 0.2< pT<1.6 GeV/c to emphasize the mass ordering at low p__T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected particles re plotted only for the transverse momentum range of 0.2< pT<1.6 GeV/c to emphasize the mass ordering at low p__T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected particles re plotted only for the transverse momentum range of 0.2< pT<1.6 GeV/c to emphasize the mass ordering at low p__T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected particles re plotted only for the transverse momentum range of 0.2< pT<1.6 GeV/c to emphasize the mass ordering at low p__T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected particles re plotted only for the transverse momentum range of 0.2< pT<1.6 GeV/c to emphasize the mass ordering at low p__T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected particles re plotted only for the transverse momentum range of 0.2< pT<1.6 GeV/c to emphasize the mass ordering at low p__T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected particles re plotted only for the transverse momentum range of 0.2< pT<1.6 GeV/c to emphasize the mass ordering at low p__T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected particles re plotted only for the transverse momentum range of 0.2< pT<1.6 GeV/c to emphasize the mass ordering at low p__T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected particles re plotted only for the transverse momentum range of 0.2< pT<1.6 GeV/c to emphasize the mass ordering at low p__T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected particles re plotted only for the transverse momentum range of 0.2< pT<1.6 GeV/c to emphasize the mass ordering at low p__T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected particles re plotted only for the transverse momentum range of 0.2< pT<1.6 GeV/c to emphasize the mass ordering at low p__T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected particles re plotted only for the transverse momentum range of 0.2< pT<1.6 GeV/c to emphasize the mass ordering at low p__T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected particles re plotted only for the transverse momentum range of 0.2< pT<1.6 GeV/c to emphasize the mass ordering at low p__T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected particles re plotted only for the transverse momentum range of 0.2< pT<1.6 GeV/c to emphasize the mass ordering at low p__T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected particles re plotted only for the transverse momentum range of 0.2< pT<1.6 GeV/c to emphasize the mass ordering at low p__T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected particles re plotted only for the transverse momentum range of 0.2< pT<1.6 GeV/c to emphasize the mass ordering at low p__T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected particles re plotted only for the transverse momentum range of 0.2< pT<1.6 GeV/c to emphasize the mass ordering at low p__T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected particles re plotted only for the transverse momentum range of 0.2< pT<1.6 GeV/c to emphasize the mass ordering at low p__T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected particles re plotted only for the transverse momentum range of 0.2< pT<1.6 GeV/c to emphasize the mass ordering at low p__T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected particles re plotted only for the transverse momentum range of 0.2< pT<1.6 GeV/c to emphasize the mass ordering at low p__T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected particles re plotted only for the transverse momentum range of 0.2< pT<1.6 GeV/c to emphasize the mass ordering at low p__T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected particles re plotted only for the transverse momentum range of 0.2< pT<1.6 GeV/c to emphasize the mass ordering at low p__T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected particles re plotted only for the transverse momentum range of 0.2< pT<1.6 GeV/c to emphasize the mass ordering at low p__T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected particles re plotted only for the transverse momentum range of 0.2< pT<1.6 GeV/c to emphasize the mass ordering at low p__T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected particles re plotted only for the transverse momentum range of 0.2< pT<1.6 GeV/c to emphasize the mass ordering at low p__T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected particles re plotted only for the transverse momentum range of 0.2< pT<1.6 GeV/c to emphasize the mass ordering at low p__T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected particles re plotted only for the transverse momentum range of 0.2< pT<1.6 GeV/c to emphasize the mass ordering at low p__T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected particles re plotted only for the transverse momentum range of 0.2< pT<1.6 GeV/c to emphasize the mass ordering at low p__T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected particles re plotted only for the transverse momentum range of 0.2< pT<1.6 GeV/c to emphasize the mass ordering at low p__T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected particles re plotted only for the transverse momentum range of 0.2< pT<1.6 GeV/c to emphasize the mass ordering at low p__T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected particles re plotted only for the transverse momentum range of 0.2< pT<1.6 GeV/c to emphasize the mass ordering at low p__T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected particles re plotted only for the transverse momentum range of 0.2< pT<1.6 GeV/c to emphasize the mass ordering at low p__T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected particles re plotted only for the transverse momentum range of 0.2< pT<1.6 GeV/c to emphasize the mass ordering at low p__T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected particles re plotted only for the transverse momentum range of 0.2< pT<1.6 GeV/c to emphasize the mass ordering at low p__T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected particles re plotted only for the transverse momentum range of 0.2< pT<1.6 GeV/c to emphasize the mass ordering at low p__T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected particles re plotted only for the transverse momentum range of 0.2< pT<1.6 GeV/c to emphasize the mass ordering at low p__T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected particles re plotted only for the transverse momentum range of 0.2< pT<1.6 GeV/c to emphasize the mass ordering at low p__T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected particles re plotted only for the transverse momentum range of 0.2< pT<1.6 GeV/c to emphasize the mass ordering at low p__T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected particles re plotted only for the transverse momentum range of 0.2< pT<1.6 GeV/c to emphasize the mass ordering at low p__T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected particles re plotted only for the transverse momentum range of 0.2< pT<1.6 GeV/c to emphasize the mass ordering at low p__T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected particles re plotted only for the transverse momentum range of 0.2< pT<1.6 GeV/c to emphasize the mass ordering at low p__T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected anti-particles are plotted only for the transverse momentum range of 0.2< p_T<1.6 GeV/c to emphasize the mass ordering at low p_T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected anti-particles are plotted only for the transverse momentum range of 0.2< p_T<1.6 GeV/c to emphasize the mass ordering at low p_T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected anti-particles are plotted only for the transverse momentum range of 0.2< p_T<1.6 GeV/c to emphasize the mass ordering at low p_T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected anti-particles are plotted only for the transverse momentum range of 0.2< p_T<1.6 GeV/c to emphasize the mass ordering at low p_T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected anti-particles are plotted only for the transverse momentum range of 0.2< p_T<1.6 GeV/c to emphasize the mass ordering at low p_T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected anti-particles are plotted only for the transverse momentum range of 0.2< p_T<1.6 GeV/c to emphasize the mass ordering at low p_T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected anti-particles are plotted only for the transverse momentum range of 0.2< p_T<1.6 GeV/c to emphasize the mass ordering at low p_T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected anti-particles are plotted only for the transverse momentum range of 0.2< p_T<1.6 GeV/c to emphasize the mass ordering at low p_T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected anti-particles are plotted only for the transverse momentum range of 0.2< p_T<1.6 GeV/c to emphasize the mass ordering at low p_T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected anti-particles are plotted only for the transverse momentum range of 0.2< p_T<1.6 GeV/c to emphasize the mass ordering at low p_T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected anti-particles are plotted only for the transverse momentum range of 0.2< p_T<1.6 GeV/c to emphasize the mass ordering at low p_T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected anti-particles are plotted only for the transverse momentum range of 0.2< p_T<1.6 GeV/c to emphasize the mass ordering at low p_T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected anti-particles are plotted only for the transverse momentum range of 0.2< p_T<1.6 GeV/c to emphasize the mass ordering at low p_T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected anti-particles are plotted only for the transverse momentum range of 0.2< p_T<1.6 GeV/c to emphasize the mass ordering at low p_T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected anti-particles are plotted only for the transverse momentum range of 0.2< p_T<1.6 GeV/c to emphasize the mass ordering at low p_T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected anti-particles are plotted only for the transverse momentum range of 0.2< p_T<1.6 GeV/c to emphasize the mass ordering at low p_T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected anti-particles are plotted only for the transverse momentum range of 0.2< p_T<1.6 GeV/c to emphasize the mass ordering at low p_T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected anti-particles are plotted only for the transverse momentum range of 0.2< p_T<1.6 GeV/c to emphasize the mass ordering at low p_T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected anti-particles are plotted only for the transverse momentum range of 0.2< p_T<1.6 GeV/c to emphasize the mass ordering at low p_T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected anti-particles are plotted only for the transverse momentum range of 0.2< p_T<1.6 GeV/c to emphasize the mass ordering at low p_T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected anti-particles are plotted only for the transverse momentum range of 0.2< p_T<1.6 GeV/c to emphasize the mass ordering at low p_T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected anti-particles are plotted only for the transverse momentum range of 0.2< p_T<1.6 GeV/c to emphasize the mass ordering at low p_T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected anti-particles are plotted only for the transverse momentum range of 0.2< p_T<1.6 GeV/c to emphasize the mass ordering at low p_T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected anti-particles are plotted only for the transverse momentum range of 0.2< p_T<1.6 GeV/c to emphasize the mass ordering at low p_T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected anti-particles are plotted only for the transverse momentum range of 0.2< p_T<1.6 GeV/c to emphasize the mass ordering at low p_T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected anti-particles are plotted only for the transverse momentum range of 0.2< p_T<1.6 GeV/c to emphasize the mass ordering at low p_T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected anti-particles are plotted only for the transverse momentum range of 0.2< p_T<1.6 GeV/c to emphasize the mass ordering at low p_T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected anti-particles are plotted only for the transverse momentum range of 0.2< p_T<1.6 GeV/c to emphasize the mass ordering at low p_T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected anti-particles are plotted only for the transverse momentum range of 0.2< p_T<1.6 GeV/c to emphasize the mass ordering at low p_T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected anti-particles are plotted only for the transverse momentum range of 0.2< p_T<1.6 GeV/c to emphasize the mass ordering at low p_T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected anti-particles are plotted only for the transverse momentum range of 0.2< p_T<1.6 GeV/c to emphasize the mass ordering at low p_T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected anti-particles are plotted only for the transverse momentum range of 0.2< p_T<1.6 GeV/c to emphasize the mass ordering at low p_T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected anti-particles are plotted only for the transverse momentum range of 0.2< p_T<1.6 GeV/c to emphasize the mass ordering at low p_T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected anti-particles are plotted only for the transverse momentum range of 0.2< p_T<1.6 GeV/c to emphasize the mass ordering at low p_T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected anti-particles are plotted only for the transverse momentum range of 0.2< p_T<1.6 GeV/c to emphasize the mass ordering at low p_T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected anti-particles are plotted only for the transverse momentum range of 0.2< p_T<1.6 GeV/c to emphasize the mass ordering at low p_T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected anti-particles are plotted only for the transverse momentum range of 0.2< p_T<1.6 GeV/c to emphasize the mass ordering at low p_T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected anti-particles are plotted only for the transverse momentum range of 0.2< p_T<1.6 GeV/c to emphasize the mass ordering at low p_T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected anti-particles are plotted only for the transverse momentum range of 0.2< p_T<1.6 GeV/c to emphasize the mass ordering at low p_T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected anti-particles are plotted only for the transverse momentum range of 0.2< p_T<1.6 GeV/c to emphasize the mass ordering at low p_T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected anti-particles are plotted only for the transverse momentum range of 0.2< p_T<1.6 GeV/c to emphasize the mass ordering at low p_T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected anti-particles are plotted only for the transverse momentum range of 0.2< p_T<1.6 GeV/c to emphasize the mass ordering at low p_T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected anti-particles are plotted only for the transverse momentum range of 0.2< p_T<1.6 GeV/c to emphasize the mass ordering at low p_T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected anti-particles are plotted only for the transverse momentum range of 0.2< p_T<1.6 GeV/c to emphasize the mass ordering at low p_T.
The elliptic flow, v_2 (p_T), in 0–80% central Au+Au collisions for selected anti-particles are plotted only for the transverse momentum range of 0.2< p_T<1.6 GeV/c to emphasize the mass ordering at low p_T.
The elliptic flow, v_2, of charged pions as a function of the transverse momentum,p_T,for 0–80% central Au+Au collisions.
The elliptic flow, v_2, of charged pions as a function of the transverse momentum,p_T,for 0–80% central Au+Au collisions. Different ∆v_2 ranges were used for the upper and lower panels.
The elliptic flow, v_2, of charged pions as a function of the transverse momentum,p_T,for 0–80% central Au+Au collisions.
The elliptic flow, v_2, of charged pions as a function of the transverse momentum,p_T,for 0–80% central Au+Au collisions Different ∆v_2 ranges were used for the upper and lower panels.
The elliptic flow, v_2, of charged pions as a function of the transverse momentum,p_T,for 0–80% central Au+Au collisions
The elliptic flow, v_2, of charged pions as a function of the transverse momentum,p_T,for 0–80% central Au+Au collisions. Different ∆v_2 ranges were used for the upper and lower panels.
The elliptic flow, v_2, of charged pions as a function of the transverse momentum,p_T,for 0–80% central Au+Au collisions.
The elliptic flow, v_2, of charged pions as a function of the transverse momentum,p_T,for 0–80% central Au+Au collisions. Different ∆v_2 ranges were used for the upper and lower panels.
The elliptic flow, v_2, of charged pions as a function of the transverse momentum,p_T,for 0–80% central Au+Au collisions.
The elliptic flow, v_2, of charged pions as a function of the transverse momentum,p_T,for 0–80% central Au+Au collisions. Different ∆v_2 ranges were used for the upper and lower panels.
The elliptic flow, v_2, of charged pions as a function of the transverse momentum,p_T,for 0–80% central Au+Au collisions.
The elliptic flow, v_2, of charged pions as a function of the transverse momentum,p_T,for 0–80% central Au+Au collisions. Different ∆v_2 ranges were used for the upper and lower panels.
The elliptic flow, v_2, of charged kaons as a function of the transverse momentum,p_T,for 0–80% central Au+Au collisions.
The elliptic flow, v_2, of charged kaons as a function of the transverse momentum,p_T,for 0–80% central Au+Au collisions.
The elliptic flow, v_2, of charged kaons as a function of the transverse momentum,p_T,for 0–80% central Au+Au collisions. Different ∆v_2 ranges were used for the upper and lower panels.
The elliptic flow, v_2, of charged kaons as a function of the transverse momentum,p_T,for 0–80% central Au+Au collisions.
The elliptic flow, v_2, of charged kaons as a function of the transverse momentum,p_T,for 0–80% central Au+Au collisions.
The elliptic flow, v_2, of charged kaons as a function of the transverse momentum,p_T,for 0–80% central Au+Au collisions. Different ∆v_2 ranges were used for the upper and lower panels.
The elliptic flow, v_2, of charged kaons as a function of the transverse momentum,p_T,for 0–80% central Au+Au collisions.
The elliptic flow, v_2, of charged kaons as a function of the transverse momentum,p_T,for 0–80% central Au+Au collisions.
The elliptic flow, v_2, of charged koans as a function of the transverse momentum,p_T,for 0–80% central Au+Au collisions. Different ∆v_2 ranges were used for the upper and lower panels.
The elliptic flow, v_2, of charged kaons as a function of the transverse momentum,p_T,for 0–80% central Au+Au collisions.
The elliptic flow, v_2, of charged kaons as a function of the transverse momentum,p_T,for 0–80% central Au+Au collisions.
The elliptic flow, v_2, of charged koans as a function of the transverse momentum,p_T,for 0–80% central Au+Au collisions. Different ∆v_2 ranges were used for the upper and lower panels.
The elliptic flow, v_2, of charged koans as a function of the transverse momentum,p_T,for 0–80% central Au+Au collisions.
The elliptic flow, v_2, of charged koans as a function of the transverse momentum,p_T,for 0–80% central Au+Au collisions.
The elliptic flow, v_2, of charged koans as a function of the transverse momentum,p_T,for 0–80% central Au+Au collisions. Different ∆v_2 ranges were used for the upper and lower panels.
The elliptic flow, v_2, of charged koans as a function of the transverse momentum,p_T,for 0–80% central Au+Au collisions.
The elliptic flow, v_2, of charged koans as a function of the transverse momentum,p_T,for 0–80% central Au+Au collisions.
The elliptic flow, v_2, of charged koans as a function of the transverse momentum,p_T,for 0–80% central Au+Au collisions. Different ∆v_2 ranges were used for the upper and lower panels.
The elliptic flow,v_2 of p, $\overline{p}$ as a function of the transverse momentum, p_T,for 0–80% central Au+Au collisions.
The elliptic flow,v_2 of p, $\overline{p}$ as a function of the transverse momentum, p_T,for 0–80% central Au+Au collisions.
The elliptic flow,v_2 of p, $\overline{p}$ as a function of the transverse momentum, p_T,for 0–80% central Au+Au collisions
The elliptic flow,v_2 of p, $\overline{p}$ as a function of the transverse momentum, p_T,for 0–80% central Au+Au collisions.
The elliptic flow,v_2 of p, $\overline{p}$ as a function of the transverse momentum, p_T,for 0–80% central Au+Au collisions.
The elliptic flow,v_2 of p, $\overline{p}$ as a function of the transverse momentum, p_T,for 0–80% central Au+Au collisions.
The elliptic flow,v_2 of p, $\overline{p}$ as a function of the transverse momentum, p_T,for 0–80% central Au+Au collisions.
The elliptic flow,v_2 of p, $\overline{p}$ as a function of the transverse momentum, p_T,for 0–80% central Au+Au collisions.
The elliptic flow,v_2 of p, $\overline{p}$ as a function of the transverse momentum, p_T,for 0–80% central Au+Au collisions.
The elliptic flow,v_2 of p, $\overline{p}$ as a function of the transverse momentum, p_T,for 0–80% central Au+Au collisions.
The elliptic flow,v_2 of p, $\overline{p}$ as a function of the transverse momentum, p_T,for 0–80% central Au+Au collisions.
The elliptic flow,v_2 of p, $\overline{p}$ as a function of the transverse momentum, p_T,for 0–80% central Au+Au collisions.
The elliptic flow,v_2 of $\Lambda$ and $\overline{\Lambda}$ as a function of the transverse momentum, p_T,for 0–80% central Au+Au. collisions.
The elliptic flow,v_2 of $\Lambda$ and $\overline{\Lambda}$ as a function of the transverse momentum, p_T,for 0–80% central Au+Au. collisions.
The elliptic flow,v_2 of $\Lambda$ and $\overline{\Lambda}$ as a function of the transverse momentum, p_T,for 0–80% central Au+Au. collisions.
The elliptic flow,v_2 of $\Lambda$ and $\overline{\Lambda}$ as a function of the transverse momentum, p_T,for 0–80% central Au+Au. collisions.
The elliptic flow,v_2 of $\Lambda$ and $\overline{\Lambda}$ as a function of the transverse momentum, p_T,for 0–80% central Au+Au. collisions.
The elliptic flow,v_2 of $\Lambda$ and $\overline{\Lambda}$ as a function of the transverse momentum, p_T,for 0–80% central Au+Au. collisions.
The elliptic flow,v_2 of $\Lambda$ and $\overline{\Lambda}$ as a function of the transverse momentum, p_T,for 0–80% central Au+Au. collisions.
The elliptic flow,v_2 of $\Lambda$ and $\overline{\Lambda}$ as a function of the transverse momentum, p_T,for 0–80% central Au+Au. collisions.
The elliptic flow,v_2 of $\Lambda$ and $\overline{\Lambda}$ as a function of the transverse momentum, p_T,for 0–80% central Au+Au. collisions.
The elliptic flow,v_2 of $\Lambda$ and $\overline{\Lambda}$ as a function of the transverse momentum, p_T,for 0–80% central Au+Au. collisions.
The elliptic flow,v_2 of $\Lambda$ and $\overline{\Lambda}$ as a function of the transverse momentum, p_T,for 0–80% central Au+Au collisions.
The elliptic flow,v_2 of $\Lambda$ and $\overline{\Lambda}$ as a function of the transverse momentum, p_T,for 0–80% central Au+Au collisions.
The elliptic flow,v_2 of $\Xi^{-}$ and $\overline{\Xi^{+}}$ as a function of the transverse momentum, p_T,for 0–80% central Au+Au collisions.
The elliptic flow,v_2 of $\Xi^{-}$ and $\overline{\Xi^{+}}$ as a function of the transverse momentum, p_T,for 0–80% central Au+Au collisions.
The elliptic flow,v_2 of $\Xi^{-}$ and $\overline{\Xi^{+}}$ as a function of the transverse momentum, p_T,for 0–80% central Au+Au.
The elliptic flow,v_2 of $\Xi^{-}$ and $\overline{\Xi^{+}}$ as a function of the transverse momentum, p_T,for 0–80% central Au+Au collisions.
The elliptic flow,v_2 of $\Xi^{-}$ and $\overline{\Xi^{+}}$ as a function of the transverse momentum, p_T,for 0–80% central Au+Au collisions.
The elliptic flow,v_2 of $\Xi^{-}$ and $\overline{\Xi^{+}}$ as a function of the transverse momentum, p_T,for 0–80% central Au+Au collisions.
The elliptic flow,v_2 of $\Xi^{-}$ and $\overline{\Xi^{+}}$ as a function of the transverse momentum, p_T,for 0–80% central Au+Au collisions.
The elliptic flow,v_2 of $\Xi^{-}$ and $\overline{\Xi^{+}}$ as a function of the transverse momentum, p_T,for 0–80% central Au+Au collisions.
The elliptic flow,v_2 of $\Xi^{-}$ and $\overline{\Xi^{+}}$ as a function of the transverse momentum, p_T,for 0–80% central Au+Au collisions.
The elliptic flow,v_2 of $\Xi^{-}$ and $\overline{\Xi^{+}}$ as a function of the transverse momentum, p_T,for 0–80% central Au+Au collisions.
The elliptic flow,v_2 of $\Xi^{-}$ and $\overline{\Xi^{+}}$ as a function of the transverse momentum, p_T,for 0–80% central Au+Au collisions.
The elliptic flow,v_2 of $\Xi^{-}$ and $\overline{\Xi^{+}}$ as a function of the transverse momentum, p_T,for 0–80% central Au+Au collisions.
The elliptic flow,v_2 of $Omega^{-}$ and $\overline{\Omega^{+}}$ as a function of the transverse momentum, p_T,for 0–80% central Au+Au collisions.
The elliptic flow,v_2 of $Omega^{-}$ and $\overline{\Omega^{+}}$ as a function of the transverse momentum, p_T,for 0–80% central Au+Au collisions.
The elliptic flow,v_2 of $Omega^{-}$ and $\overline{\Omega^{+}}$ as a function of the transverse momentum, p_T,for 0–80% central Au+Au collisions.
The elliptic flow,v_2 of $Omega^{-}$ and $\overline{\Omega^{+}}$ as a function of the transverse momentum, p_T,for 0–80% central Au+Au collisions.
The elliptic flow,v_2 of $Omega^{-}$ and $\overline{\Omega^{+}}$ as a function of the transverse momentum, p_T,for 0–80% central Au+Au collisions.
The elliptic flow,v_2 of $Omega^{-}$ and $\overline{\Omega^{+}}$ as a function of the transverse momentum, p_T,for 0–80% central Au+Au collisions.
The elliptic flow,v_2 of $Omega^{-}$ and $\overline{\Omega^{+}}$ as a function of the transverse momentum, p_T,for 0–80% central Au+Au collisions.
The elliptic flow,v_2 of $Omega^{-}$ and $\overline{\Omega^{+}}$ as a function of the transverse momentum, p_T,for 0–80% central Au+Au collisions.
The elliptic flow,v_2 of $Omega^{-}$ and $\overline{\Omega^{+}}$ as a function of the transverse momentum, p_T,for 0–80% central Au+Au collisions.
The elliptic flow,v_2 of $Omega^{-}$ and $\overline{\Omega^{+}}$ as a function of the transverse momentum, p_T,for 0–80% central Au+Au collisions.
The elliptic flow,v_2 of Λ,Λbar as a function of the transverse momentum, p_T,for 0–80% central Au+Au collisions
The elliptic flow,v_2, of $\phi$ mesons as a function of the transverse momentum, p_T, for 0–80% central Au+Au collisions.
The elliptic flow,v_2, of $\phi$ mesons as a function of the transverse momentum, p_T, for 0–80% central Au+Au collisions.
The elliptic flow,v_2, of $\phi$ mesons as a function of the transverse momentum, p_T, for 0–80% central Au+Au collisions.
The elliptic flow,v_2, of $\phi$ mesons as a function of the transverse momentum, p_T, for 0–80% central Au+Au collisions.
The elliptic flow,v_2, of $\phi$ mesons as a function of the transverse momentum, p_T, for 0–80% central Au+Au collisions.
The elliptic flow,v_2, of $\phi$ mesons as a function of the transverse momentum, p_T, for 0–80% central Au+Au collisions.
The elliptic flow, v_2, of p and $\overline{p}$ as a function of the transverse momentum, p_T, for 0–10% central Au+Au collisions.
The elliptic flow, v_2, of p and $\overline{p}$ as a function of the transverse momentum, p_T, for 0–10% central Au+Au collisions.
The elliptic flow, v_2, of p and $\overline{p}$ as a function of the transverse momentum, p_T, for 0–10% central Au+Au collisions.
The elliptic flow, v_2, of p and $\overline{p}$ as a function of the transverse momentum, p_T, for 0–10% central Au+Au collisions.
The elliptic flow, v_2, of p and $\overline{p}$ as a function of the transverse momentum, p_T, for 0–10% central Au+Au collisions.
The elliptic flow, v_2, of p and $\overline{p}$ as a function of the transverse momentum, p_T, for 0–10% central Au+Au collisions.
The elliptic flow, v_2, of p and $\overline{p}$ as a function of the transverse momentum, p_T, for 0–10% central Au+Au collisions.
The elliptic flow, v_2, of p and $\overline{p}$ as a function of the transverse momentum, p_T, for 0–10% central Au+Au collisions.
The elliptic flow, v_2, of p and $\overline{p}$ as a function of the transverse momentum, p_T, for 0–10% central Au+Au collisions.
The elliptic flow, v_2, of p and $\overline{p}$ as a function of the transverse momentum, p_T, for 0–10% central Au+Au collisions.
The elliptic flow, v_2, of p and $\overline{p}$ as a function of the transverse momentum, p_T, for 0–10% central Au+Au collisions.
The elliptic flow, v_2, of p and $\overline{p}$ as a function of the transverse momentum, p_T, for 0–10% central Au+Au collisions.
The elliptic flow, v_2, of p and $\overline{p}$ as a function of the transverse momentum, p_T, for 10–40% central Au+Au collisions.
The elliptic flow, v_2, of p and $\overline{p}$ as a function of the transverse momentum, p_T, for 10–40% central Au+Au collisions.
The elliptic flow, v_2, of p and $\overline{p}$ as a function of the transverse momentum, p_T, for 10–40% central Au+Au collisions.
The elliptic flow, v_2, of p and $\overline{p}$ as a function of the transverse momentum, p_T, for 10–40% central Au+Au collisions.
The elliptic flow, v_2, of p and $\overline{p}$ as a function of the transverse momentum, p_T, for 10–40% central Au+Au collisions.
The elliptic flow, v_2, of p and $\overline{p}$ as a function of the transverse momentum, p_T, for 10–40% central Au+Au collisions.
The elliptic flow, v_2, of p and $\overline{p}$ as a function of the transverse momentum, p_T, for 10–40% central Au+Au collisions.
The elliptic flow, v_2, of p and $\overline{p}$ as a function of the transverse momentum, p_T, for 10–40% central Au+Au collisions.
The elliptic flow,v_2 of Λ,Λbar as a function of the transverse momentum, p_T,for 0–80% central Au+Au collisions
The elliptic flow, v_2, of p and $\overline{p}$ as a function of the transverse momentum, p_T, for 10–40% central Au+Au collisions.
The elliptic flow, v_2, of p and $\overline{p}$ as a function of the transverse momentum, p_T, for 10–40% central Au+Au collisions.
The elliptic flow, v_2, of p and $\overline{p}$ as a function of the transverse momentum, p_T, for 10–40% central Au+Au collisions.
The elliptic flow, v_2, of p and $\overline{p}$ as a function of the transverse momentum, p_T, for 40–80% central Au+Au collisions.
The elliptic flow, v_2, of p and $\overline{p}$ as a function of the transverse momentum, p_T, for 40–80% central Au+Au collisions.
The elliptic flow, v_2, of p and $\overline{p}$ as a function of the transverse momentum, p_T, for 40–80% central Au+Au collisions.
The elliptic flow, v_2, of p and $\overline{p}$ as a function of the transverse momentum, p_T, for 40–80% central Au+Au collisions.
The elliptic flow, v_2, of p and $\overline{p}$ as a function of the transverse momentum, p_T, for 40–80% central Au+Au collisions.
The elliptic flow, v_2, of p and $\overline{p}$ as a function of the transverse momentum, p_T, for 40–80% central Au+Au collisions.
The elliptic flow, v_2, of p and $\overline{p}$ as a function of the transverse momentum, p_T, for 40–80% central Au+Au collisions.
The elliptic flow, v_2, of p and $\overline{p}$ as a function of the transverse momentum, p_T, for 40–80% central Au+Au collisions.
The elliptic flow, v_2, of p and $\overline{p}$ as a function of the transverse momentum, p_T, for 40–80% central Au+Au collisions.
The elliptic flow, v_2, of p and $\overline{p}$ as a function of the transverse momentum, p_T, for 40–80% central Au+Au collisions.
The elliptic flow, v_2, of p and $\overline{p}$ as a function of the transverse momentum, p_T, for 40–80% central Au+Au collisions.
The elliptic flow, v_2, of p and $\overline{p}$ as a function of the transverse momentum, p_T, for 40–80% central Au+Au collisions.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected anti-particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected anti-particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected anti-particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected anti-particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected anti-particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected anti-particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected anti-particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected anti-particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected anti-particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected anti-particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected anti-particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected anti-particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected anti-particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected anti-particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected anti-particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected anti-particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected anti-particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected anti-particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected anti-particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected anti-particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected anti-particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected anti-particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected anti-particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected anti-particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected anti-particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected anti-particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected anti-particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected anti-particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected anti-particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected anti-particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected anti-particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected anti-particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected anti-particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected anti-particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected anti-particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected anti-particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected anti-particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected anti-particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected anti-particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected anti-particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected anti-particles.
The elliptic flow,v_2, of 0–80% central Au+Au collisions as a function of the reduced transverse mass,$ m_T−m_0 $, for selected anti-particles.
The difference in the v_2 values between a particle X and its corresponding anti-particle $\overline{X}$ as a function of √sNN for 0–80% central Au+Au collisions.
The difference in the v_2 values between a particle X and its corresponding anti-particle $\overline{X}$ as a function of √sNN for 0–80% central Au+Au collisions.
The difference in the v_2 values between a particle X and its corresponding anti-particle $\overline{X}$ as a function of √sNN for 0–80% central Au+Au collisions.
The difference in the v_2 values between a particle X and its corresponding anti-particle $\overline{X}$ as a function of √sNN for 0–80% central Au+Au collisions.
The difference in the v_2 values between a particle X and its corresponding anti-particle $\overline{X}$ as a function of √sNN for 0–80% central Au+Au collisions.
The difference in the v_2 values between a particle X and its corresponding anti-particle $\overline{X}$ as a function of $μ_B$ for 0–80% central Au+Au collisions.
The difference in the v_2 values between a particle X and its corresponding anti-particle $\overline{X}$ as a function of $μ_B$ for 0–80% central Au+Au collisions.
The difference in the v_2 values between a particle X and its corresponding anti-particle $\overline{X}$ as a function of $μ_B$ for 0–80% central Au+Au collisions.
The difference in the v_2 values between a particle X and its corresponding anti-particle $\overline{X}$ as a function of $μ_B$ for 0–80% central Au+Au collisions.
The difference in the v_2 values between a particle X and its corresponding anti-particle $\overline{X}$ as a function of $μ_B$ for 0–80% central Au+Au collisions.
The proton and anti-proton elliptic flow for 0–80% central Au+Au collisions at √sNN= 19.6 GeV, where “(+,-) EP” refers to the event plane reconstructed using all of the charged particles and “(-) EP” refers to the event plane reconstructed using only the negatively charged particles.
We present STAR measurements of azimuthal anisotropy by means of the two- and four-particle cumulants $v_2$ ($v_2\{2\}$ and $v_2\{4\}$) for Au+Au and Cu+Cu collisions at center of mass energies $\sqrt{s_{_{\mathrm{NN}}}} = 62.4$ and 200 GeV. The difference between $v_2\{2\}^2$ and $v_2\{4\}^2$ is related to $v_{2}$ fluctuations ($\sigma_{v_2}$) and nonflow $(\delta_{2})$. We present an upper limit to $\sigma_{v_2}/v_{2}$. Following the assumption that eccentricity fluctuations $\sigma_{\epsilon}$ dominate $v_2$ fluctuations $\frac{\sigma_{v_2}}{v_2} \approx \frac{\sigma_{\epsilon}}{\epsilon}$ we deduce the nonflow implied for several models of eccentricity fluctuations that would be required for consistency with $v_2\{2\}$ and $v_2\{4\}$. We also present results on the ratio of $v_2$ to eccentricity.
The two-particle cumulant $v_2\{2\}^2$ for Au+Au collisions at 200 and 62.4 GeV. Results are shown with like-sign combinations (LS) and charge-independent results (CI) for $0.15 < p_T < 2.0$ GeV/$c$.
The two-particle cumulant $v_2\{2\}^2$ for Au+Au collisions at 200 and 62.4 GeV. Results are shown with like-sign combinations (LS) and charge-independent results (CI) for $0.15 < p_T < 2.0$ GeV/$c$.
The same as the left but for Cu+Cu collisions. The systematic errors are shown as thin lines with wide caps at the ends and statistical errors are shown as thick lines with small caps at the end. Statistical and systematic errors are very small.
The same as the left but for Cu+Cu collisions. The systematic errors are shown as thin lines with wide caps at the ends and statistical errors are shown as thick lines with small caps at the end. Statistical and systematic errors are very small.
The difference of charge-independent (CI) v2{2} and like-sign (LS) $v_2\{2\}$ for Au+Au and Cu+Cu collisions at 200 (top panel) and 62.4 (bottom panel) GeV vs. the log of $\langle dN_{ch}/d\eta\rangle$.The statistical errors are smaller than the marker size and not visible for most of the data.
The difference of charge-independent (CI) v2{2} and like-sign (LS) $v_2\{2\}$ for Au+Au and Cu+Cu collisions at 200 (top panel) and 62.4 (bottom panel) GeV vs. the log of $\langle dN_{ch}/d\eta\rangle$.The statistical errors are smaller than the marker size and not visible for most of the data.
The difference of charge-independent (CI) v2{2} and like-sign (LS) $v_2\{2\}$ for Au+Au and Cu+Cu collisions at 200 (top panel) and 62.4 (bottom panel) GeV vs. the log of $\langle dN_{ch}/d\eta\rangle$.The statistical errors are smaller than the marker size and not visible for most of the data.
The difference of charge-independent (CI) v2{2} and like-sign (LS) $v_2\{2\}$ for Au+Au and Cu+Cu collisions at 200 (top panel) and 62.4 (bottom panel) GeV vs. the log of $\langle dN_{ch}/d\eta\rangle$.The statistical errors are smaller than the marker size and not visible for most of the data.
The LS and CI four-particle cumulant $v_2\{4\}^4$ for Au+Au collisions at 200 and 62.4 GeV for $0.15 < pT < 2.0$ GeV/$c$. The systematic errors are shown as narrow lines with wide caps at the end and statistical errors are shown as thick lines with narrow caps at the end. Statistical errors are not visible for most of the points.
The LS and CI four-particle cumulant $v_2\{4\}^4$ for Au+Au collisions at 200 and 62.4 GeV for $0.15 < pT < 2.0$ GeV/$c$. The systematic errors are shown as narrow lines with wide caps at the end and statistical errors are shown as thick lines with narrow caps at the end. Statistical errors are not visible for most of the points.
The LS and CI four-particle cumulant $v_2\{4\}^4$ for Cu+Cu collisions at 200 and 62.4 GeV for $0.15 < p_T < 2.0$ GeV/c. The most central points (two points for Cu+Cu 62.4 GeV) gives $v_2\{4\}^4 < 0$ for all the data sets. The negative values are probably due to large fluctuations in agreement with Eq. (1). These may include contributions from impact parameter spread and finite multiplicity bin width.
The LS and CI four-particle cumulant $v_2\{4\}^4$ for Cu+Cu collisions at 200 and 62.4 GeV for $0.15 < p_T < 2.0$ GeV/c. The most central points (two points for Cu+Cu 62.4 GeV) gives $v_2\{4\}^4 < 0$ for all the data sets. The negative values are probably due to large fluctuations in agreement with Eq. (1). These may include contributions from impact parameter spread and finite multiplicity bin width.
The difference of charge-independent (CI) $v_2\{4\}$ and like-sign (LS) $v_2\{4\}$ for Au+Au collisions at 200 and 62.4 GeV vs. the log of $\langle dN_{ch}/d\eta\rangle$.
The difference of charge-independent (CI) $v_2\{4\}$ and like-sign (LS) $v_2\{4\}$ for Au+Au collisions at 200 and 62.4 GeV vs. the log of $\langle dN_{ch}/d\eta\rangle$.
(Left) The difference between $v_2\{2\}^2$ and $v_2\{4\}^2$ for 200 GeV Au+Au and Cu+Cu collisions for both LS and CI combinations.
(Left) The difference between $v_2\{2\}^2$ and $v_2\{4\}^2$ for 200 GeV Au+Au and Cu+Cu collisions for both LS and CI combinations.
(Right) The difference between $v_2\{2\}^2$ and $v_2\{4\}^2$ for 62.4 GeV Au+Au and Cu+Cu collisions for both LS and CI combinations. The statistical and systematic errors are shown as in previous figures.
(Right) The difference between $v_2\{2\}^2$ and $v_2\{4\}^2$ for 62.4 GeV Au+Au and Cu+Cu collisions for both LS and CI combinations. The statistical and systematic errors are shown as in previous figures.
The upper limit on $\sigma_{v_2}/\langle v_2 \rangle$ for 200 GeV (left) and 62.4 GeV (right) Au+Au collisions from Eq. (9) compared to $\sigma_\varepsilon/\varepsilon$ from Eq. (10) for three different models. The upper limit is found using the LS results for $v_2\{2\}$. Data are from the range $0.15 < p_T < 2.0$ GeV/$c$. The shaded bands reflect the uncertainties on the models which are dominated by uncertainty on the distribution of nucleons inside the nucleus. The uncertainty is only shown for the MCG-N and fKLN-CGC models. The uncertainty on the MCG-Q model is the same as for the MCG-N model but is not shown for the visual clarity.
The upper limit on $\sigma_{v_2}/\langle v_2 \rangle$ for 200 GeV (left) and 62.4 GeV (right) Au+Au collisions from Eq. (9) compared to $\sigma_\varepsilon/\varepsilon$ from Eq. (10) for three different models. The upper limit is found using the LS results for $v_2\{2\}$. Data are from the range $0.15 < p_T < 2.0$ GeV/$c$. The shaded bands reflect the uncertainties on the models which are dominated by uncertainty on the distribution of nucleons inside the nucleus. The uncertainty is only shown for the MCG-N and fKLN-CGC models. The uncertainty on the MCG-Q model is the same as for the MCG-N model but is not shown for the visual clarity.
The upper limit on $\sigma_{v_2}/\langle v_2 \rangle$ for 200 GeV (left) and 62.4 GeV (right) Au+Au collisions from Eq. (9) compared to $\sigma_\varepsilon/\varepsilon$ from Eq. (10) for three different models. The upper limit is found using the LS results for $v_2\{2\}$. Data are from the range $0.15 < p_T < 2.0$ GeV/$c$. The shaded bands reflect the uncertainties on the models which are dominated by uncertainty on the distribution of nucleons inside the nucleus. The uncertainty is only shown for the MCG-N and fKLN-CGC models. The uncertainty on the MCG-Q model is the same as for the MCG-N model but is not shown for the visual clarity.
The upper limit on $\sigma_{v_2}/\langle v_2 \rangle$ for 200 GeV (left) and 62.4 GeV (right) Au+Au collisions from Eq. (9) compared to $\sigma_\varepsilon/\varepsilon$ from Eq. (10) for three different models. The upper limit is found using the LS results for $v_2\{2\}$. Data are from the range $0.15 < p_T < 2.0$ GeV/$c$. The shaded bands reflect the uncertainties on the models which are dominated by uncertainty on the distribution of nucleons inside the nucleus. The uncertainty is only shown for the MCG-N and fKLN-CGC models. The uncertainty on the MCG-Q model is the same as for the MCG-N model but is not shown for the visual clarity.
The STAR data compared to PHOBOS data [34] on $\sigma_{v_2}/\langle v_2 \rangle$ with $\delta_2$ for $\Delta\eta > 2$ taken to be zero (see Fig. 6 from Ref. [34]). The shaded band shows the errors quoted from Ref. [34].
The STAR data compared to PHOBOS data [34] on $\sigma_{v_2}/\langle v_2 \rangle$ with $\delta_2$ for $\Delta\eta > 2$ taken to be zero (see Fig. 6 from Ref. [34]). The shaded band shows the errors quoted from Ref. [34].
The upper limit on $\sigma_{v_2}/\langle v_2 \rangle$ for 200 GeV (left) and 62.4 GeV (right) Cu+Cu collisions from Eq. (9) compared to $\sigma_\varepsilon/\varepsilon$ from Eq. (10) for three different models.
The upper limit on $\sigma_{v_2}/\langle v_2 \rangle$ for 200 GeV (left) and 62.4 GeV (right) Cu+Cu collisions from Eq. (9) compared to $\sigma_\varepsilon/\varepsilon$ from Eq. (10) for three different models.
The upper limit on $\sigma_{v_2}/\langle v_2 \rangle$ for 200 GeV (left) and 62.4 GeV (right) Cu+Cu collisions from Eq. (9) compared to $\sigma_\varepsilon/\varepsilon$ from Eq. (10) for three different models.
The upper limit on $\sigma_{v_2}/\langle v_2 \rangle$ for 200 GeV (left) and 62.4 GeV (right) Cu+Cu collisions from Eq. (9) compared to $\sigma_\varepsilon/\varepsilon$ from Eq. (10) for three different models.
Vector mesons may be photoproduced in relativistic heavy-ion collisions when a virtual photon emitted by one nucleus scatters from the other nucleus, emerging as a vector meson. The STAR Collaboration has previously presented measurements of coherent $\rho^0$ photoproduction at center of mass energies of 130 GeV and 200 GeV in AuAu collisions. Here, we present a measurement of the cross section at 62.4 GeV; we find that the cross section for coherent $\rho^0$ photoproduction with nuclear breakup is $10.5\pm1.5\pm 1.6$ mb at 62.4 GeV. The cross-section ratio between 200 GeV and 62.4 GeV is $2.8\pm0.6$, less than is predicted by most theoretical models. It is, however, proportionally much larger than the previously observed $15\pm 55$% increase between 130 GeV and 200 GeV.
Acceptance corrected invariant mass distributions for the coherently produced $\rho^0$ candidates collected with trigger A (left) and B (right). The fit function (solid) encompasses the Breit-Wigner (dashed), the mass independent contribution from direct $\pi^+\pi^-$ production (dash-dotted), and the interference term (dotted). The hatched area is the contribution from the combinatorial background. The statistical errors are shown.
Acceptance corrected invariant mass distributions for the coherently produced $\rho^0$ candidates collected with trigger A (left) and B (right). The fit function (solid) encompasses the Breit-Wigner (dashed), the mass independent contribution from direct $\pi^+\pi^-$ production (dash-dotted), and the interference term (dotted). The hatched area is the contribution from the combinatorial background. The statistical errors are shown.
Transverse momentum distribution of the $\rho^0$ candidates (open distribution) overlaid by the combinatorial background estimated with like-sign pairs (not corrected to the acceptance and reconstruction efficiency) and scaled to match in the high transverse momentum region, $p_T$ ≥ 250 MeV/$c$ (hatched distribution). The plot is based on the dataset collected with trigger B.
$\rho^0$ 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.
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