High pT identified hadron ratios in sqrt(sNN)=200GeV Au+Au Collisions
Abstract
The PHENIX detector at RHIC measured high pT identified hadron ratios in sqrt(sNN) = 200GeV Au+Au collisions. Within the current systematic and statistical errors, pbar/p ratios that are measured up to 3.8GeV/c are almost independent of both pT and centrality. The baryon to meson ratio is measured through p/pi and pbar/pi ratios up to 3.8GeV/c, showing they are strongly centrality dependent.
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