动力学冻出特性的提取及共振衰减的影响

Acta Physica Hungarica A) Heavy Ion Physics Pub Date : 2005-07-21 DOI:10.1556/APH.25.2006.2-4.18

L. Molnár

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引用次数: 1

摘要

我们提出了在\(\sqrt {s_{NN} } = 62.4\) GEV Au-Au碰撞中测量的已识别粒子光谱的STAR结果。粒子产生和系统动力学与\(\sqrt {s_{NN} } = 200\) GeV的结果进行了比较。利用爆炸波模型参数化和统计模型提取了冻结过程的动力学参数和化学参数。讨论了共振衰减对提取的动力学冻结参数的影响。

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Extraction of kinetic freeze-out properties and effect of resonance decays

We present STAR results from identified particle spectra measured in \(\sqrt {s_{NN} } = 62.4\) GEV Au-Au collisions. Particle production and system dynamics are compared to results at \(\sqrt {s_{NN} } = 200\) GeV. We extract kinetic and chemical freeze-out parameters using blast wave model parametrization and statistical model. We discuss the effect of resonance decays on the extracted kinetic freeze-out parameters.

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Acta Physica Hungarica A) Heavy Ion Physics

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