Three-dimensional kaon and pion emission source extraction from √s NN = 200 GeV Au + Au collisions at RHIC-STAR
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Three-dimensional source images for mid-rapidity, low transverse momentum kaon and pion pairs have been extracted from central Au + Au collisions data at √s NN = 200 GeV by the STAR experiment at RHIC. The pion source function displays significant non-Gaussian features implying a finite pion emission duration. On the other hand, the kaon source function is essentially Gaussian, consistent with instantaneous emission from the fireball.
KeywordsNucleus Letter Source Function Time Projection Chamber Pion Pair Phenix Collaboration
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