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We present first measurements of the evolution of the differential transverse momentum correlation function, C, with collision centrality in Au+Au interactions at sNN=200 GeV. This observable exhibits a strong dependence on collision centrality that is qualitatively similar to that of number correlations previously reported. We use the observed longitudinal broadening of the near-side peak of C with...
We present the first measurements of charge-dependent correlations on angular difference variables η1−η2 (pseudorapidity) and ϕ1−ϕ2 (azimuth) for primary charged hadrons with transverse momentum 0.15⩽pt⩽2 GeV/c and |η|⩽1.3 from Au–Au collisions at sNN=130 GeV. We observe correlation structures not predicted by theory but consistent with evolution of hadron emission geometry with increasing centrality...
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