Abstract.
The dielectric functions \( \epsilon_L\), \( \epsilon_T\) of the quark-gluon plasma (QGP) are derived within the framework of the kinetic theory with BGK-type collisional kernel. The collision effect manifested by the collision rate is encoded in the dielectric functions. Based on the derived dielectric functions we study the collisional energy loss suffered by a fast parton traveling through the QGP. The numerical results show that the collision rate increases the energy loss.
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Han, C., Hou, Df., Jiang, Bf. et al. Jet energy loss in quark-gluon plasma: Kinetic theory with a Bhatnagar-Gross-Krook collisional kernel. Eur. Phys. J. A 53, 205 (2017). https://doi.org/10.1140/epja/i2017-12400-9
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DOI: https://doi.org/10.1140/epja/i2017-12400-9