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# 第十七届全国中高能核物理大会

5-9 May 2017

Asia/Shanghai timezone
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# A study of the strange vector meson spin alignment with the AMPT model

## Speakers

• Mr. Shaowei LAN

## Summary

Observables sensitive to the vorticity allow us to study the fundamental property of the hot and dense nuclear matter created in high-energy nuclear collisions.Global polarization parameters of identified particles can be extracted from the azimuthal distribution of particles with respect to the event plane.The spin alignment of vector meson such as $\phi$ meson and $K^{\star}$ could be sensitive to the vorticity of the colliding system and its space-time evolution.In this presentation, we will present results from a multi-phase transport (AMPT) model that is modified to include the spin alignment information of $\phi$ and $K^{\star}$ mesons. We will discuss the extraction of spin alignment parameters from event plane reconstruction, and study how hadron interactions could influence the spin alignment observables based on final state particles.