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Non-identical particle correlations in 130 and 200 AGeV collisions at STAR | | A. Kisiel
; for the STAR Collaboration
; | | Date: |
23 Mar 2004 | | Journal: | J.Phys. G30 (2004) S1059-S1064 | | Subject: | nucl-ex | | Abstract: | STAR has performed a correlation analyses of pion-kaon and pion-proton pairs for sqrt(s_NN)=130 AGeV and sqrt(s_NN)=200 AGeV and kaon-proton, proton-Lambda and pion-Cascade pairs for AuAu collisions sqrt(s_NN)=200 AGeV. They show that average emission space-time points of pions, kaons and protons are not the same. These asymmetries are interpreted as a consequence of transverse radial expansion of the system; emission time differences explain only part of the asymmetry. Therefore our measurements independently confirm the existence of transverse radial flow. Furthermore, correlations of strange hyperons is investigated by performing proton-Lambda and pion-Cascade analyses, giving estimates of source size at high m_{T}. The strong interaction potential between (anti-)proton and lambda as well as kaon and proton is investigated. | | Source: | arXiv, nucl-ex/0403042 | | Services: | Forum | Review | PDF | Favorites | |
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