Vorticity in Heavy-Ion Collisions

Mar 19, 2016
16 pages
Published in:
  • Phys.Rev.C 93 (2016) 6, 064907
  • Published: Jun 24, 2016
e-Print:

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Abstract: (APS)
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.
Note:
  • V2: 31 pages, 16 figures; new discussion added to the end of Sec.VI, references updated
  • 25.75.-q
  • 12.38.Mh
  • 25.75.Ag
  • heavy ion: scattering
  • impact parameter: dependence
  • spatial distribution
  • Brookhaven RHIC Coll
  • energy dependence
  • CERN LHC Coll
  • energy flow