Evidence for a long-range component in the pion emission source in Au+Au collisions at sqrt(sNN) = 200 GeV
Abstract
Emission source functions are extracted from correlation functions constructed from charged pions produced at mid-rapidity in Au+Au collisions at sqrt(sNN)=200 GeV. The source parameters extracted from these functions at low kT, give first indications of a long tail for the pion emission source. The source extension cannot be explained solely by simple kinematic considerations. The possible role of a halo of secondary pions from resonance emissions is explored.
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