Pion-Kaon Correlations in Central Au + Au Collisions at √SNN= 130 GeV

STAR Collaboration

Research output: Contribution to journalArticlepeer-review

49 Scopus citations

Abstract

Pion-kaon correlation functions are constructed from central Au + Au STAR data taken at √sNN = 130 GeV by the STAR detector at the Relativistic Heavy Ion Collider (RHIC). 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.

Original languageEnglish (US)
Article number262302
Pages (from-to)2623021-2623026
Number of pages6
JournalPhysical Review Letters
Volume91
Issue number26 I
StatePublished - Dec 31 2003

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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