Research Article

Chemical Potentials of Quarks Extracted from Particle Transverse Momentum Distributions in Heavy Ion Collisions at RHIC Energies

Table 4

Mean values ( , , and ) of chemical potentials obtained from the curves in Figures 58, where the errors are the standard deviations.

FigureCollisionCentrality (MeV) (MeV) (MeV)

Figure 5Au-Au 130 GeV0–5%
15–30%
60–92%

Figure 6Au-Au 200 GeV0–5%
60–92%

Figures 7(a), 7(c), and 7(e)d-Au 200 GeV0–10%
10–20%
20–40%
40–60%
60–92%

Figures 7(b), 7(d), and 7(f)Au-Au 200 GeV0–20%
20–40%
40–60%
60–88%

Figures 8(a), 8(c), and 8(e)Au-Au 200 GeV0–5%
5–10%
10–15%
15–20%
20–30%
30–40%

Figures 8(b), 8(d), and 8(f)Au-Au 200 GeV40–50%
50–60%
60–70%
70–80%
80–92%
60–92%