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arxiv: nucl-ex/0307025 · v2 · submitted 2003-07-31 · ⚛️ nucl-ex

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Pion-Kaon correlations in central Au+Au collisions at sqrt{s_{NN}} = 130 GeV

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classification ⚛️ nucl-ex
keywords centralcorrelationsdatakaonspion-kaonpionsspace-timesqrt
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Pion-kaon correlation functions are constructed from central Au+Au data taken at $\sqrt{s_{NN}} = 130$ GeV. The results suggest that pions and kaons are not emitted at the same average space-time point. Space-momentum correlations, i.e. transverse flow, lead to a space-time emission asymmetry of pions and kaons that is consistent with the data. This result provides new independent evidence that the system created at RHIC undergoes a collective transverse expansion.

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