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

Figure 14

Dependences of for target (T or projectile (P)) and central sources (C) in Au-Au, Cu-Cu, -Au, Pb-Pb, Au-Em, and -Em collisions on or . The symbols are quoted in Tables 1–6, and the lines are our fitted results.

(a) Au+Au (T)

(b) Au+Au (C)

(c) Cu+Cu (T)

(d) Cu+Cu (C)

(e) +Au

(f) Pb+Pb

(g) Au+Em

(h) +Em