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5-9 May 2017
湖北宜昌
Asia/Shanghai timezone
Contribution
Global Lambda polarization in heavy-ion collisions with AMPT model
Speakers
- Ms. Hui LI
Primary authors
- Ms. Hui LI (USTC)
Co-authors
- Mr. Xiaoliang XIA (USTC)
- LongGang PANG (Central China Normal University)
- Prof. Qun WANG (University of Science and Technology of China)
Summary
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.