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arXiv 1709.01408nucl-th
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相对论性重离子碰撞中方位角关联的测量

Measures of azimuthal correlations in relativistic heavy ion collisions

G. L. Li, C. B. Yang, D. M. Zhou

摘要:

基于高能重离子碰撞的初态几何对称性,推导了单粒子和双粒子方位角分布的一般形式。讨论了这些分布与常用流动参数之间的关系。提出了新的方位相关测度。一些数值计算结果的措施的值显示从事件发生器在200 GeV的Au+Au碰撞与不同的碰撞中心。

英文摘要:

Based on the initial state geometrical symmetry for collisions between two identical heavy ions at high energy, the general form for the one- and two-particle azimuthal distributions is deduced. Relation between these distributions and the usual flow parameters is discussed. New measures for the azimuthal correlations are suggested. Some numerical results on the values of the measures are shown from an event generator for Au+Au collisions with different colliding centralities at 200 GeV.

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