Vorticity in heavy-ion collisions

被引：166
|
作者：
Deng, Wei-Tian [1 ]
Huang, Xu-Guang [2 ,3 ]
机构：
[1] Huazhong Univ Sci & Technol, Sch Phys, Wuhan 430074, Peoples R China
[2] Fudan Univ, Dept Phys, Shanghai 200433, Peoples R China
[3] Fudan Univ, Ctr Particle Phys & Field Theory, Shanghai 200433, Peoples R China
来源：
PHYSICAL REVIEW C | 2016年 / 93卷 / 06期
关键词：
ENERGY NUCLEAR COLLISIONS; AZIMUTHAL CORRELATIONS; ELECTRIC-FIELDS; MAGNETIC-FIELD; EVENT; HYDRODYNAMICS; VIOLATION; TRANSPORT; HELICITY; SEARCH;
D O I：
10.1103/PhysRevC.93.064907
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 study the event-by-event generation of flow vorticity in the BNL Relativistic Heavy Ion Collider Au + Au collisions and CERN Large Hadron Collider Pb + Pb collisions by using the HIJING model. Different definitions of the vorticity field and velocity field are considered. A variety of properties of the vorticity are explored, including the impact parameter dependence, the collision energy dependence, the spatial distribution, the event-by-event fluctuation of the magnitude and azimuthal direction, and the time evolution. In addition, the spatial distribution of the flow helicity is also studied.
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页数：16
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