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5-9 May 2017
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Global Lambda polarization in heavy-ion collisions with AMPT model


  • Ms. Hui LI

Primary authors



Abstract We study the global polarization of Lambda hyperons in peripheral Au+Au collisions in the energy range $\sqrt{s_{NN}}=7.7-200$ GeV by the A Multi-Phase Transport (AMPT) model. Our results for the global $\Lambda$ polarization agree with recent STAR data. Furthermore we find a few features of the vorticity field in lower collisional energies which may contribute partially to the energy behavior of the $\Lambda$ polarization.