Charge-dependent flow induced by electromagnetic fields in heavy ion collisions

Gürsoy, U.; Kharzeev, D. E.; Marcus, E.; Rajagopal, K.; Shen, C.

doi:10.1016/j.nuclphysa.2020.121837

Title: Charge-dependent flow induced by electromagnetic fields in heavy ion collisions

Journal Article · Fri Dec 10 00:00:00 EST 2021 · Nuclear Physics. A

DOI:https://doi.org/10.1016/j.nuclphysa.2020.121837· OSTI ID:1763349

Gürsoy, U. ^[1]; Kharzeev, D. E. ^[2]; Marcus, E. ^[1]; Rajagopal, K. ^[3]; Shen, C. ^[4]

Utrecht Univ. (Netherlands)
Stony Brook Univ., NY (United States); Brookhaven National Lab. (BNL), Upton, NY (United States); Brookhaven National Lab. (BNL), Upton, NY (United States). RIKEN Research Center
Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
Wayne State Univ., Detroit, MI (United States); Brookhaven National Lab. (BNL), Upton, NY (United States). RIKEN Research Center

The colliding heavy ions create extremely strong magnetic and electric fields that significantly affect the evolution of the produced quark-gluon plasma (QGP). The knowledge of these fields is essential for establishing the role of topological fluctuations in the QGP through the chiral magnetic effect and related anomaly-induced phenomena. In this talk, we describe our work on the evolution of the QGP in electric and magnetic fields in the framework of hydrodynamics supplemented, in a perturbative fashion, by the dynamical electromagnetism. The evolution of the QGP fluid is described within the iEBE-VISHNU framework. We find that the electromagnetically induced currents result in a charge-odd directed flow Δv₁ and a charge-odd Δv₃ flow both of which are odd in rapidity. Furthermore, while the predicted magnitude of these charge-odd flows agrees with the data from RHIC and LHC, the sign of the predicted asymmetry between the flows of positive and negative hadrons is opposite to the data.

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Research Organization:: Brookhaven National Laboratory (BNL), Upton, NY (United States); Stony Brook Univ., NY (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Nuclear Physics (NP); Netherlands Organization for Scientific Research (NWO)

Grant/Contract Number:: SC0012704; 680-47-518; SC0011090; FG-88ER40388; AC02-98CH10886; FG02-88ER40388

OSTI ID:: 1763349

Alternate ID(s):: OSTI ID: 2280528

Report Number(s):: BNL-220905-2021-JAAM; TRN: US2205959

Journal Information:: Nuclear Physics. A, Vol. 1005; ISSN 0375-9474

Publisher:: ElsevierCopyright Statement

Country of Publication:: United States

Language:: English

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Collision-geometry-based 3D initial condition for relativistic heavy-ion collisions Shen, Chun; Alzhrani, Sahr Physical Review C, Vol. 102, Issue 1 https://doi.org/10.1103/physrevc.102.014909	journal	July 2020

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