Electromagnetic Radiations from Heavy Ion Collision

Figure 28

The variation of radial flow velocity with average temperature of the system for ⟨𝑀⟩=0.75 GeV and 1.2 GeV at SPS energy (a) and for ⟨𝑀⟩=0.625 GeV and 0.9 GeV at RHIC energy (b).

(a)

(b)