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Chinese Physics C > 2021, Vol. 45 > Issue(1): 014102 DOI: 10.1088/1674-1137/abc065

Rapidity dependence of global polarization in heavy ion collisions

  • 1.

    Institute of Frontier and Interdisciplinary Science, Key Laboratory of Particle Physics and Particle Irradiation (MOE), Shandong University, Qingdao 266237, China

  • 2.

    Department of Physics, Jining University, Shandong 273155, China

  • 3.

    Physics Department, Brookhaven National Laboratory, Upton, New York 11973, USA

  • 4.

    Department of Modern Physics, University of Science and Technology of China, Hefei 230026, China

  • We use a geometric model for hadron polarization in heavy ion collisions with an emphasis on the rapidity dependence. The model is based on the model of Brodsky, Gunion, and Kuhn, as well as the Bjorken scaling model. We make predictions regarding the rapidity dependence of global $\Lambda$ polarization in the collision energy range of 7.7-200 GeV by assuming the rapidity dependence of two parameters, $\kappa$ and $\left\langle p_{T}\right\rangle $ . The predictions can be tested by future beam-energy-scan experiments at the Relativistic Heavy Ion Collider of Brookhaven National Lab.
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Zuo-Tang Liang, Jun Song, Isaac Upsal, Qun Wang and Zhangbu Xu. Rapidity dependence of global polarization in heavy ion collisions[J]. Chinese Physics C. doi: 10.1088/1674-1137/abc065
Zuo-Tang Liang, Jun Song, Isaac Upsal, Qun Wang and Zhangbu Xu. Rapidity dependence of global polarization in heavy ion collisions[J]. Chinese Physics C. doi:10.1088/1674-1137/abc065 shu
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Received: 2020-06-16
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    Rapidity dependence of global polarization in heavy ion collisions

    • 1. Institute of Frontier and Interdisciplinary Science, Key Laboratory of Particle Physics and Particle Irradiation (MOE), Shandong University, Qingdao 266237, China
    • 2. Department of Physics, Jining University, Shandong 273155, China
    • 3. Physics Department, Brookhaven National Laboratory, Upton, New York 11973, USA
    • 4. Department of Modern Physics, University of Science and Technology of China, Hefei 230026, China
    • Received Date:2020-06-16
    • Available Online:2021-01-15

      Abstract:We use a geometric model for hadron polarization in heavy ion collisions with an emphasis on the rapidity dependence. The model is based on the model of Brodsky, Gunion, and Kuhn, as well as the Bjorken scaling model. We make predictions regarding the rapidity depen

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