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arXiv 2002.02412nucl-thhep-ph
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相对论重离子碰撞中J/ $Ψ$抑制的理论研究

A theoretical approach to study J/$Ψ$ suppression in relativistic heavy ion collisions

Santosh K. Karn

摘要:

为了理解相对论性重离子碰撞中J/ $Ψ$的抑制,我们在流体动力学演化模型的框架下计算了J/ $Ψ$的抑制率。为此,我们考虑一个椭球流和使用的温度剖面函数,占时间和三维空间演化的夸克-胶子等离子体的一个anomaly。我们分别计算了作为横向和纵向动量函数的生存概率。我们已经证明,以前的计算是这个模型的特殊情况。

英文摘要:

With a view to understanding J/$Ψ$ suppression in relativistic heavy ion collisions, we compute the suppression rate within the framework of hydrodynamical evolution model. For this, we consider an ellipsoidal flow and use an ansatz for temperature profile function which accounts for time and the three dimensional space evolution of the quark-gluon plasma. We have calculated the survival probability separately as the function of transverse and longitudinal momentum. We have shown that previous calculations are special cases of this model.

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