RHIC中净电荷波动的激发函数

Acta Physica Hungarica Pub Date : 2004-01-15 DOI:10.1556/APH.24.2005.1-4.13

C. Pruneau

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引用次数: 1

摘要

我们用ν+-， dyn测量了Au+Au碰撞在√{sNN} = 0,130和200gev时的动态净电荷波动，动态波动是有限的，对束流能量的依赖性相当小。我们还发现它们违反了由独立核子-核子相互作用组成的核碰撞所期望的平凡的1/N尺度。我们推测这可能是由于热化和径向流效应的结合。

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Excitation Function of Net Charge Fluctuations at RHIC

We present measurements of dynamical net charge fluctuations in Au+Au collisions at √{sNN} = 0, 130 and 200 GeV using the measure ν+-, dyn. The dynamical fluctuations are finite and exhibit a rather modest dependence on beam energy. We also find they violate the trivial 1/N scaling expected for nuclear collisions consisting of independent nucleon–nucleon interactions. We speculate this may be due to a combination of thermalization and radial flow effects.

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Acta Physica Hungarica

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