Research Article

Dependence of Temperatures and Kinetic Freeze-Out Volume on Centrality in Au-Au and Pb-Pb Collisions at High Energy

Table 1

Values of effective temperatures ( and ), volumes ( and ), , and number of degree of freedom (ndof) corresponding to the curves in Figures 1 and 2.

FigureParticleCentrality (GeV) (GeV) ((fm)3) ((fm)3)ndof

Figure 1
Au-Au
200 GeV
π0–5%4524
5–10%1424
10–15%23324
15–20%6324
20–30%8724
30–40%27624
40–50%38824
50–60%14624
60–70%7124
70–80%25624
80–92%6924
K0–5%1712
5–10%1812
10–15%2412
15–20%1412
20–30%1812
30–40%1312
40–50%2412
50–60%912
60–70%3512
70–80%21512
80–92%6612
0–5%1718
5–10%2018
10–15%16218
15–20%3518
20–30%4118
30–40%1118
40–50%3918
50–60%4318
60–70%2818
70–80%11018
80–92%518

Figure 2
Pb-Pb
2.76 TeV
π0–5%20637
5–10%10137
10–20%7037
20–30%9437
30–40%24437
40–50%11037
50–60%20637
60–70%12535
70–80%50235
80–90%11935
K0–5%332
5–10%1532
10–20%832
20–30%2232
30–40%1232
40–50%11932
50–60%2632
60–70%4632
70–80%7132
80–90%7532
0–5%4933
5–10%37333
10–20%4333
20–30%5233
30–40%2033
40–50%10933
50–60%6733
60–70%7533
70–80%10433
80–90%12233