Research Article
Speed of Sound Parameter from RHIC and LHC Heavy-Ion Data
Table 1
Values of
for the participants (P) and spectators (S) as well as
/dof for the curves in Figures
1–
4 which represent Au-Au collisions at RHIC energies.
| Bin (%) | (P) | (S) | /dof |
| 19.6 GeV | 0–3 | | | 0.431 | 3–6 | | | 0.489 | 6–10 | | | 0.555 | 10–15 | | | 0.602 | 15–20 | | | 0.399 | 20–25 | | | 0.090 | 25–30 | | | 0.145 | 30–35 | | | 0.108 | 35–40 | | | 0.075 | 40–45 | | | 0.183 |
| 62.4 GeV | 0–3 | | | 0.983 | 3–6 | | | 0.610 | 6–10 | | | 0.199 | 10–15 | | | 0.205 | 15–20 | | | 0.146 | 20–25 | | | 0.155 | 25–30 | | | 0.139 | 30–35 | | | 0.128 | 35–40 | | | 0.114 | 40–45 | | | 0.127 | 45–50 | | | 0.074 |
| 130 GeV | 0–3 | | | 0.295 | 3–6 | | | 0.243 | 6–10 | | | 0.351 | 10–15 | | | 0.250 | 15–20 | | | 0.101 | 20–25 | | | 0.066 | 25–30 | | | 0.181 | 30–35 | | | 0.137 | 35–40 | | | 0.092 | 40–45 | | | 0.092 | 45–50 | | | 0.183 |
| 200 GeV | 0–3 | | | 0.128 | 3–6 | | | 0.048 | 6–10 | | | 0.029 | 10–15 | | | 0.214 | 15–20 | | | 0.057 | 20–25 | | | 0.192 | 25–30 | | | 0.239 | 30–35 | | | 0.144 | 35–40 | | | 0.099 | 40–45 | | | 0.087 | 45–50 | | | 0.081 |
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