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We report measurements of meson production in p+p, d+Au, and Au+Au collisions using the STAR detector at RHIC. We compare the yield to the measured cross section in p+p collisions in order to quantify any modifications of the yield in cold nuclear matter using d+Au data and in hot nuclear matter using Au+Au data separated into three centrality classes. Our p+p measurement is based on three times...
We present results on the system size dependence of high transverse momentum di-hadron correlations at sNN=200 GeV as measured by STAR at RHIC. Measurements in d+Au, Cu+Cu and Au+Au collisions reveal similar jet-like near-side correlation yields (correlations at small angular separation – Δϕ∼0, Δη∼0) for all systems and centralities. Previous measurements have shown that the away-side (Δϕ∼π) yield...
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