Hyperon polarization and its relation with directed flow in high-energy nuclear collisions

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成果类型：

期刊论文

作者：

Jiang, Ze-Fang;Wu, Xiang-Yu;Cao, Shanshan;Zhang, Ben-Wei

通讯作者：

Jiang, ZF

作者机构：

[Jiang, Ze-Fang; Jiang, ZF] Hubei Engn Univ, Dept Phys & Elect Informat Engn, Xiaogan 432000, Hubei, Peoples R China.

[Wu, Xiang-Yu; Zhang, Ben-Wei; Jiang, Ze-Fang; Jiang, ZF] Cent China Normal Univ, Inst Particle Phys, Key Lab Quark & Lepton Phys, MOE, Wuhan 430079, Hubei, Peoples R China.

[Cao, Shanshan] Shandong Univ, Inst Frontier & Interdisciplinary Sci, Qingdao 266237, Shandong, Peoples R China.

[Zhang, Ben-Wei] South China Normal Univ, Inst Quantum Matter, Guangdong Prov Key Lab Nucl Sci, Guangzhou 510006, Guangdong, Peoples R China.

通讯机构：

[Jiang, ZF ] H

Hubei Engn Univ, Dept Phys & Elect Informat Engn, Xiaogan 432000, Hubei, Peoples R China.

Cent China Normal Univ, Inst Particle Phys, Key Lab Quark & Lepton Phys, MOE, Wuhan 430079, Hubei, Peoples R China.

语种：

英文

期刊：

PHYSICAL REVIEW C

ISSN：

2469-9985

年：

2023

卷：

108

期：

页码：

064904

DOI：

10.1103/PhysRevC.108.064904

基金类别：

National Natural Science Foundation of China (NSFC) [11935007, 12175122, 2021-867]; Guangdong Major Project of Basic and Applied Basic Research Grant [2020B0301030008]; Natural Science Foundation of Hubei Province [2021CFB272]; Education Department of Hubei Province of China [Q20212703]; Open Foundation of Key Laboratory of Quark and Lepton Physics (MOE) [QLPL202104]; Xiaogan Natural Science Foundation [XGKJ2021010016]

机构署名：

本校为通讯机构

院系归属：

物理科学与技术学院

摘要：

We investigate hyperon polarization and its relation with the directed flow of quark-gluon plasma (QGP) in noncentral Au + Au collisions at root sNN = 27 GeV. A modified three-dimensional Glauber model is developed and coupled to a (3 + 1)-dimensional viscous hydrodynamic evolution of the QGP. Within this framework, we obtain a satisfactory simultaneous description of the directed flow of identified particles and A polarization, and we show a sensitivity of polarization to both the tilted geometry and the longitudinal flow profile of the QGP. A nonmonotonic transverse momentum dependence of th...

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Hyperon polarization and its relation with directed flow in high-energy nuclear collisions

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