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M. M. Aggarwal
Fig. 13.24 Top: v 2 {4} versus
p T for 20–30% collision
centrality for Au+Au and
Pb-Pb collisions at different
energies as indicated in the
figure. Bottom: Plot of ratio
of v 2 {4} to the fit value as a
function p T
Fig. 13.25 Energy
dependence of v 2 for
20–30% collision centrality
for various experiments as
indicated in the figure