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Chinese Physics C> 2018, Vol. 42> Issue(5) : 054102 DOI: 10.1088/1674-1137/42/5/054102

Estimation of the chiral magnetic effect considering the magnetic field response of the QGP medium

  • 1.

     College of Science, China Three Gorges University, Yichang 443002, China

  • 2.

     Key Laboratory of Quark and Lepton Physics(MOE) and Institute of Particle Physics, Central China Normal University, Wuhan 430079, China

  • 3.

     School of Physics and Technology, Wuhan University, Wuhan 430072, China

  • 4.

      College of Science, China Three Gorges University, Yichang 443002, China

  • 5.

      Key Laboratory of Quark and Lepton Physics(MOE) and Institute of Particle Physics, Central China Normal University, Wuhan 430079, China

  • The magnetic field plays a major role in searching for the chiral magnetic effect in relativistic heavy-ion collisions. If the lifetime of the magnetic field is too short, as predicted by simulations of the field in vacuum, the chiral magnetic effect will be largely suppressed. However, the lifetime of the magnetic field will become longer when the QGP medium response is considered. We give an estimate of the effect, especially considering the magnetic field response of the QGP medium, and compare it with the experimental results for the background-subtracted correlator H at RHIC and LHC energies. The results show that our method explains the experimental results better at the top RHIC energy than at the LHC energy.
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  • References

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Sheng-Qin Feng, Xin Ai, Lei Pei, Fei Sun, Yang Zhong and Zhong-Bao Yin. Estimation of the chiral magnetic effect considering the magnetic field response of the QGP medium[J]. Chinese Physics C, 2018, 42(5): 054102. doi: 10.1088/1674-1137/42/5/054102
Sheng-Qin Feng, Xin Ai, Lei Pei, Fei Sun, Yang Zhong and Zhong-Bao Yin. Estimation of the chiral magnetic effect considering the magnetic field response of the QGP medium[J]. Chinese Physics C, 2018, 42(5): 054102.  doi: 10.1088/1674-1137/42/5/054102 shu
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Received: 2018-01-25
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    Supported by National Natural Science Foundation of China (11747115, 11475068), the CCNU-QLPL Innovation Fund (QLPL2016P01) and the Excellent Youth Foundation of Hubei Scientific Committee (2006ABB036)

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Estimation of the chiral magnetic effect considering the magnetic field response of the QGP medium

    Corresponding author: Sheng-Qin Feng,
  • 1. College of Science, China Three Gorges University, Yichang 443002, China
  • 2. Key Laboratory of Quark and Lepton Physics(MOE) and Institute of Particle Physics, Central China Normal University, Wuhan 430079, China
  • 3. School of Physics and Technology, Wuhan University, Wuhan 430072, China
  • 4.  College of Science, China Three Gorges University, Yichang 443002, China
  • 5.  Key Laboratory of Quark and Lepton Physics(MOE) and Institute of Particle Physics, Central China Normal University, Wuhan 430079, China
  • Received Date: 2018-01-25
  • Available Online: 2018-05-05
Fund Project:  Supported by National Natural Science Foundation of China (11747115, 11475068), the CCNU-QLPL Innovation Fund (QLPL2016P01) and the Excellent Youth Foundation of Hubei Scientific Committee (2006ABB036)

Abstract: The magnetic field plays a major role in searching for the chiral magnetic effect in relativistic heavy-ion collisions. If the lifetime of the magnetic field is too short, as predicted by simulations of the field in vacuum, the chiral magnetic effect will be largely suppressed. However, the lifetime of the magnetic field will become longer when the QGP medium response is considered. We give an estimate of the effect, especially considering the magnetic field response of the QGP medium, and compare it with the experimental results for the background-subtracted correlator H at RHIC and LHC energies. The results show that our method explains the experimental results better at the top RHIC energy than at the LHC energy.

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