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# Pion interferometry in Au+Au collisions at $\sqrt{s_{NN}}$ = 200 GeV

Abstract : We present a systematic analysis of two-pion interferometry in Au+Au collisions at $\sqrt{\mathrm{s}_{_{\mathrm{NN}}}}$ = 200 GeV using the STAR detector at RHIC. We extract the HBT radii and study their multiplicity, transverse momentum, and azimuthal angle dependence. Estimates of the geometrical and dynamical structure of the freeze-out source are extracted by fits with blast wave parameterizations. The expansion of the source and its relation with the initial energy density distribution is studied.
Document type :
Journal articles

http://hal.in2p3.fr/in2p3-00023568
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Submitted on : Thursday, January 13, 2005 - 9:12:21 AM
Last modification on : Wednesday, April 27, 2022 - 4:32:24 AM

### Citation

J. Adams, M.M. Aggarwal, Z. Ahammed, J. Amonett, B.D. Anderson, et al.. Pion interferometry in Au+Au collisions at $\sqrt{s_{NN}}$ = 200 GeV. Physical Review C, American Physical Society, 2005, 71, 044906 (21 p.). ⟨10.1103/PhysRevC.71.044906⟩. ⟨in2p3-00023568⟩

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