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A systematical study of the chiral magnetic effects at the RHIC and LHC energies

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arxiv 1909.10836 v2 pith:PULD7ZMG submitted 2019-09-24 hep-ph

classification hep-ph
keywords energycurrentenergiesrhicbeamchiralelectromagneticexperimental
verification ladder T0 review T1 audit T2 compute T3 formal
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abstract

Considering the magnetic field response of the QGP medium, we perform a systematical study of the chiral magnetic effect(CME), and make a comparison it with the experimental results for the background-subtracted correlator $H$ at the energies of the RHIC Beam Energy Scan (BES) and LHC energy. The CME signals from our computations show a centrality trend and beam energy dependence that are qualitatively consistent with the experimental measurements of the charge dependent correlations. The time evolution of the chiral electromagnetic current at the RHIC and LHC energies is systematically studied. The dependence of the time-integrated current signal on the beam energy $\sqrt{s}$ with different centralities is investigated. Our phenomenological analysis shows that the time-integrated electromagnetic current is maximal near the collision energy $\sqrt{s} \approx 39$ GeV. The qualitative trend of the induced electromagnetic current is in agreement with the CME experimental results at the RHIC and LHC energies.

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Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Constraining the chiral magnetic effect using spectator and participant planes across Au+Au and isobar collisions at $\sqrt{s_{_{\rm NN}}} = 200$ GeV

    nucl-th 2025-01 conditional novelty 4.0 of 10

    AMPT simulations suggest the CME signal-to-background plane ratio b/a is 0.88±0.08 in Au+Au, closer to unity than isobar collisions (0.65±0.18), implying the two-plane CME method is more reliable in Au+Au.

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