On Pseudorapidity Distribution and Speed of Sound in High Energy Heavy Ion Collisions Based on a New Revised Landau Hydrodynamic Model

Table 4

Values of peak positions (, , and ), contribution ratios ( and ), width , and   for the curves in Figure 9 which shows -Au collisions at 0.2 TeV for minimum-bias sample (Figure 9(a)) or with different centralities (Figures 9(b)–9(f)).

Figure	Bin (%)
Figure 9(a)	Minibias	−3.90 ± 0.60	−1.17 ± 0.25	1.10 ± 0.20	0.01 ± 0.01	0.02 ± 0.01	2.80 ± 0.03	0.030	0.066 ± 0.014	0.483 ± 0.006
Figure 9(b)	0–20	−4.70 ± 0.41	−1.70 ± 0.23	0.60 ± 0.30	0.02 ± 0.01	0.02 ± 0.01	2.90 ± 0.07	0.096	0.066 ± 0.014	0.504 ± 0.014
Figure 9(c)	20–40	−4.00 ± 0.23	−1.10 ± 0.23	1.00 ± 0.20	0.02 ± 0.01	0.02 ± 0.01	2.90 ± 0.07	0.067	0.066 ± 0.014	0.504 ± 0.014
Figure 9(d)	40–60	−4.10 ± 0.18	−0.80 ± 0.22	1.10 ± 0.22	0.02 ± 0.01	0.02 ± 0.01	2.80 ± 0.07	0.031	0.066 ± 0.014	0.483 ± 0.015
Figure 9(e)	60–80	−4.00 ± 0.20	−0.50 ± 0.25	1.20 ± 0.22	0.01 ± 0.01	0.03 ± 0.01	2.75 ± 0.07	0.100	0.066 ± 0.014	0.472 ± 0.015
Figure 9(f)	80–100	−4.20 ± 0.20	−0.50 ± 0.23	1.35 ± 0.25	0.02 ± 0.01	0.09 ± 0.01	2.20 ± 0.07	0.334	0.066 ± 0.014	0.343 ± 0.017