椭圆流和三角流的波动初始条件和光滑效应
Fluctuating initial condition and smoothening effect on elliptic and triangular flow
摘要：
在重离子碰撞中，参与碰撞的核子位置随事件的变化会导致三角流。一般采用Monte-Carlo Glauber模型来计算参与核子的位置。为了在流体动力学模型中使用，需要平滑位置。研究了光滑化Glauber Monte-Carlo初始条件对椭圆流和三角流的影响。结果表明，积分以及微分椭圆流和三角流在很大程度上保持不变，无论函数形式的平滑函数，或平滑参数
英文摘要：
In heavy ion collisions, event-by-event fluctuations in participating nucleon positions can lead to triangular flow. Generally, one uses Monte-Carlo Glauber model to obtain the participating nucleon positions. To use in a hydrodynamic model, the positions needs to be smoothened. We study the effect of smoothening of Glauber Monte-Carlo initial conditions on elliptic and triangular flow. It is shown that integrated as well as differential elliptic and triangular flow remain largely unaltered, irrespective of functional form of the smoothening function, or the smoothening parameter
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