论文标题

艾米·洛伦兹(Amy Lorentz)不变的帕顿级联 - 热平衡情况

AMY Lorentz invariant parton cascade -- the thermal equilibrium case

论文作者

Kurkela, Aleksi, Törnkvist, Robin, Zapp, Korinna

论文摘要

我们介绍了羊驼,这是一种在高温下编码QCD的有效动力学理论的Lorentz不变的Parton Cascade。它通过明确模拟与单个事件相对应的Parton合奏的演变来求解Boltzmann方程。我们讨论如何仅从一个事件中估算出进入弹性碰撞和分裂/合并速率的有效质量和温度。我们通过证明它在热平衡中重现了预期行为,对框架进行了广泛的验证。

We introduce ALPACA, a Lorentz invariant parton cascade encoding the AMY effective kinetic theory of QCD at high temperatures. It solves the Boltzmann equation by explicitly simulating the evolution of parton ensembles corresponding to single events. We discuss how the effective masses and temperature entering the elastic collision and splitting/merging rates can be estimated from just a single event. We perform an extensive validation of the framework by showing that it reproduces the expected behaviour in thermal equilibrium.

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