A systematical study of the chiral magnetic effects at the RHIC and LHC energies Supported by National Natural Science Foundation of China (11875178, 11475068, 11747115), the CCNU-QLPL Innovation Fund (QLPL2016P01) and the Excellent Youth Foundation of Hubei Scientific Committee (2006ABB036)

Bang-Xiang Chen ( College of Science, China Three Gorges University, Yichang 443002, China) ; Sheng-Qin Feng ( College of Science, China Three Gorges University, Yichang 443002, China; Key Laboratory of Quark and Lepton Physics (MOE) and Institute of Particle Physics, Central China Normal University, Wuhan 430079, China)

Considering the magnetic field response of the QGP medium, we perform a systematical study of the chiral magnetic effect (CME), and make a comparison with the experimental results for the background-subtracted correlator H at the energies of the RHIC Beam Energy Scan (BES) and the 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 with different centralities is investigated. Our phenomenological analysis shows that the time-integrated electromagnetic current is maximal near the collision energy 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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      "value": "Considering the magnetic field response of the QGP medium, we perform a systematical study of the chiral magnetic effect (CME), and make a comparison with the experimental results for the background-subtracted correlator H at the energies of the RHIC Beam Energy Scan (BES) and the 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 \n\t\t\t\t\t with different centralities is investigated. Our phenomenological analysis shows that the time-integrated electromagnetic current is maximal near the collision energy \n\t\t\t\t\t GeV . The qualitative trend of the induced electromagnetic current is in agreement with the CME experimental results at the RHIC and LHC energies.\n\t\t\t\t"
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Published on:
01 February 2020
Publisher:
Institute of Physics Publishing/Chinese Academy of Sciences
Published in:
Chinese Physics C , Volume 44 (2020)
Issue 2
Article ID: 024104
DOI:
https://doi.org/10.1088/1674-1137/44/2/024104
arXiv:
1909.10836
Copyrights:
© 2019 Chinese Physical Society and the Institute of High Energy Physics of the Chinese Academy of Sciences and the Institute of Modern Physics of the Chinese Academy of Sciences and IOP Publishing Ltd
Licence:
cc-by

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