Evidence for a Long-Range Component in the Pion Emission Source in Au+Au Collisions at sNN=200GeV

S. S. Adler et al. (PHENIX Collaboration)
Phys. Rev. Lett. 98, 132301 – Published 26 March 2007

Abstract

Emission source functions are extracted from correlation functions constructed from charged pions produced at midrapidity in Au+Au collisions at sNN=200GeV. 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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  • Received 26 May 2006

DOI:https://doi.org/10.1103/PhysRevLett.98.132301

©2007 American Physical Society

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Vol. 98, Iss. 13 — 30 March 2007

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