Azimuthal dependence of pion source radii in Pb+Au collisions at 158 A GeV

Abstract

We present results of a two-pion correlation analysis performed with the Au+Pb collision data collected by the upgraded CERES experiment in the fall of 2000. The analysis was done in bins of the reaction centrality and the pion azimuthal emission angle with respect to the reaction plane. The pion source, deduced from the data, is slightly elongated in the direction perpendicular to the reaction plane, similarly as was observed at the AGS and at RHIC.

arXiv comment5 pages, 2 figures

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Cited by in corpus (8)

• Theoretical and Experimental Constraints for the Equation of State of Dense and Hot Matter
• Systematic study of charged-pion and kaon femtoscopy in Au$+$Au collisions at $\sqrt{s_{{}_{NN}}}$=200 GeV
• Shape analysis of strongly-interacting systems: the heavy ion case
• Correspondence between HBT radii and the emission zone in non-central heavy ion collisions
• Azimuthally sensitive femtoscopy in event-by-event hydrodynamics
• A twisted emission geometry in non-central Pb+Pb collisions measurable via azimuthally sensitive HBT
• Energy dependence of the freeze out eccentricity from the azimuthal dependence of HBT at STAR
• Beam energy dependent two-pion interferometry and the freeze-out eccentricity of pions in heavy ion collisions at STAR