论文标题

探测具有光子和哈德子的早期动力学和夸克 - 胶状等离子体传输属性

Probing Early-Time Dynamics and Quark-Gluon Plasma Transport Properties with Photons and Hadrons

论文作者

Gale, Charles, Paquet, Jean-François, Schenke, Björn, Shen, Chun

论文摘要

我们使用依赖QCD有效动力学理论的混合模型-K \ op \ ost - 用来动态地弥合IP-Glasma初始状态和粘性流体动力学之间的差距,以便对重型离子碰撞结果进行理论解释。然后,流体动力学相通过urqmd处理的动态冻结。可以观察到新的平衡/潮流阶段确实会影响转运系数的提取。我们还展示了如何在光子观察物中反映早期动力学。

We use a hybrid model which relies on QCD effective kinetic theory -- K\oMP\oST -- to dynamically bridge the gap between IP-Glasma initial states and viscous hydrodynamics, for the theoretical interpretation of heavy-ion collision results. The hydrodynamic phase is then followed by dynamical freeze-out handled by UrQMD. It is observed that the new pre-equilibrium/pre-hydro phase does influence the extraction of transport coefficients. We also show how the early dynamics is reflected in photon observables.

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