Rapidity dependence of global polarization in heavy ion collisions

被引：17

作者：

Liang, Zuo-Tang ^{[1
]}

Song, Jun ^{[2
]}

Upsal, Isaac ^{[3
]}

Wang, Qun ^{[4
]}

Xu, Zhangbu ^{[3
]}

机构：

[1] Shandong Univ, Inst Frontier & Interdisciplinary Sci, Key Lab Particle Phys & Particle Irradiat MOE, Qingdao 266237, Peoples R China

[2] Jining Univ, Dept Phys, Jining 273155, Shandong, Peoples R China

[3] Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA

[4] Univ Sci & Technol China, Dept Modern Phys, Hefei 230026, Peoples R China

来源：

CHINESE PHYSICS C | 2021年 / 45卷 / 01期

基金：

中国国家自然科学基金;

关键词：

polarization; orbital angular momentum; relativistic heavy-ion collisions; PARTICLE-PRODUCTION; MODEL; SPIN; NUCLEUS; PARTON;

D O I：

10.1088/1674-1137/abc065

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

We use a geometric model for hadron polarization in heavy ion collisions with an emphasis on the rapidity dependence. The model is based on the model of Brodsky, Gunion, and Kuhn, as well as the Bjorken scaling model. We make predictions regarding the rapidity dependence of global L polarization in the collision energy range of 7.7-200 GeV by assuming the rapidity dependence of two parameters, kappa and < pT >. The predictions can be tested by future beam-energy-scan experiments at the Relativistic Heavy Ion Collider of Brookhaven National Lab.

引用

页数：13

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