Left: The average accumulative energy loss, differential energy loss, and energy loss asymmetry with constant or linearly-decreasing T dependence of q ̂/T^3, respectively. Right: The hadronic phase contribution is added. (IMAGE)
Caption
Owing to the medium-temperature evolution, different T dependencies of the jet transport coefficient can result in an identical total energy loss, but different energy-loss distributions for jet propagation. Compared with the constant case for a given total energy loss, the linearly-decreasing T dependence of q/T3 causes the energy loss to redistribute, leading to more energy loss near the critical temperature, and therefore, a stronger azimuthal anisotropy for hadron production. Finally, the jet energy loss in the hadronic phase was also considered. Because of the first-order phase transition in the current model, the hadronic phase contribution occurs mainly near Tc, which strengthens the azimuthal anisotropy of the system and thus enhances the elliptic flow parameter.
Credit
Han-Zhong Zhang
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License
CC BY-NC