论文标题
自下而上热化的最后阶段的硬gluon演变
Hard gluon evolution in the last stage of the bottom-up thermalization
论文作者
论文摘要
关于重离子碰撞发生速度的速度速度的研究一直是重离子社区中的中心主题之一。在弱耦合图中，这种热化是从“自下而上的”出现的：在碰撞早期形成的高能量部分，辐射出低能弹力，然后在彼此之间进行平衡，形成一个热浴，从而使高能领域达到平衡。在此方案中，我们对Parton能量损失进行了模型，以讨论培养基对热化问题的影响，并估算Bjorken扩展培养基中热量的平均横向动量扩散率。
The study of how fast thermalization in heavy ion collisions occurs has been one of the central topics in the heavy ion community. In the weak coupling picture this thermalization occurs from "the bottom up": high energy partons, formed early in the collision, radiate low energy gluons which then proceed to equilibrate among themselves, forming a thermal bath that brings the high energy sector to equilibrium. In this scheme we apply a model on parton energy loss to discuss the effects of medium expansion on the thermalization problem and estimate the average transverse momentum diffusivity for thermalization in a Bjorken expanding medium.
