Azimuthal-angle dependence of charged-pion-interferometry measurements with respect to second- and third-order event planes in Au+Au collisions √sNN 200 GeV

PHENIX Collaboration

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25 Citations (Scopus)

Abstract

Charged-pion-interferometry measurements were made with respect to the second- and third-order event plane for Au + Au collisions at √sNN200 GeV. A strong azimuthal-angle dependence of the extracted Gaussian-source radii was observed with respect to both the second- and third-order event planes. The results for the second-order dependence indicate that the initial eccentricity is reduced during the medium evolution, which is consistent with previous results. In contrast, the results for the third-order dependence indicate that the initial triangular shape is significantly reduced and potentially reversed by the end of the medium evolution, and that the third-order oscillations are largely dominated by the dynamical effects from triangular flow.

Original languageEnglish
Article number222301
JournalPhysical review letters
Volume112
Issue number22
DOIs
Publication statusPublished - Jun 3 2014

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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