Non-identical particle correlations at 62 and 200 GeV at STAR
Abstract
We report on STAR analyses of p-lambda, pbar-lambdabar, p-lambdabar, pbar-lambda, p-pbar and pi-Xi correlations in Au+Au collisions at sqrt(SNN)=62 and 200 GeV. Measured source sizes in p(pbar)-lambda(lambdabar) and p-pbar are shown to be in qualitative agreement with flow expectations. Interaction potential between p-lambdabar, pbar-lambda was investigated by measuring scattering length, thus showing that correlation analyses in heavy-ion collisions can be used to study strong interaction potential between hadrons. We present also analyses of pi-Xi correlations addressing independently on previous measurements the issue of Xi flow in heavy-ion collisions.
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