Abstract
A study of differential elliptic event anisotropies ( ν 2) of charge particles and high- p T pions in 158 AGeV/c Pb+Au collisions is presented. Results from correlations with respect to the event plane and from two-particle azimuthal correlations are compared. The latter give systematically higher ν 2 values at p T >1.2 GeV/c providing possibly an evidence of a non-flow semihard component.
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