Elliptic flow of multi-strange baryons Xi and Omega in Au+Au collisions at sqrt(s_NN)=200 GeV

Details Elliptic flow of multi-strange baryons Xi and Omega in Au+Au collisions at sqrt(s_NN)=200 GeV Elliptic flow of multi-strange baryons Xi and Omega in Au+Au collisions at sqrt(s_NN)=200 GeV

2004-03-16

arxiv.org/abs/nucl-ex/0403027v1

J.Phys. G30 (2004) S1207-S1212

Physics

Nuclear Physics

Nuclear Experiment

Contribution to the Quark Matter 2004 proceedings, 5 pages, 4 figures

Scientific paper

10.1088/0954-3899/30/8/091

The first measurement of the elliptic transverse flow for multi-strange baryons Xi and Omega in high energy heavy ion collisions is presented, which may indicate the presence of partonic collectivity. A hydrodynamically inspired model fit to the transverse momentum spectra and elliptic flow of Xi- and AntiXi+ indicates that these particles might be emitted from the system at a high temperature (~150 MeV) with significant radial transverse flow and that the emitting system is spatially asymmetric.

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