Pion interferometry in Au+Au collisions at sNN=200GeV

J. Adams et al. (STAR Collaboration)
Phys. Rev. C 71, 044906 – Published 28 April 2005

Abstract

We present a systematic analysis of two-pion interferometry in Au+Au collisions at sNN=200GeV using the STAR detector at Relativistic Heavy Ion Collider. We extract the Hanbury-Brown and Twiss radii and study their multiplicity, transverse momentum, and azimuthal angle dependence. The Gaussianness of the correlation function is studied. Estimates of the geometrical and dynamical structure of the freeze-out source are extracted by fits with blast-wave parametrizations. The expansion of the source and its relation with the initial energy density distribution is studied.

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  • Received 18 November 2004

DOI:https://doi.org/10.1103/PhysRevC.71.044906

©2005 American Physical Society

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Vol. 71, Iss. 4 — April 2005

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