论文标题

Blast-Wave模型如何描述5个TEV P-PB碰撞的PID HADRON光谱

How the Blast-Wave Model Describes PID Hadron Spectra from 5 TeV p-Pb Collisions

论文作者

Trainor, Thomas A.

论文摘要

Blast-Wave(BW)频谱模型已广泛应用于核核碰撞数据,目的是在更中心的A-A碰撞中证明形成了夸克 - 网状血浆(QGP)。最近,BW模型已应用于P-P,D-AU和P-PB碰撞。这些结果被解释为表明``集体性''(Flow)和QGP出现在较小的系统中。我考虑BW模型的变​​化和支持假设。在这次演讲中,我回顾了BW分析来自5个TEV P-PB碰撞的鉴定的 - 二体光谱,并检查模型光谱与碰撞中心性的形状演化。我使用常规统计措施评估数据模型拟合质量。我得出的结论是,BW模型不是有效的数据模型。

The blast-wave (BW) spectrum model has been applied extensively to nucleus-nucleus collision data with the intention to demonstrate formation of a quark-gluon plasma (QGP) in more-central A-A collisions. More recently the BW model has been applied to p-p, d-Au and p-Pb collisions. Such results are interpreted to indicate that ``collectivity'' (flows) and QGP appear in smaller systems. I consider variations of the BW model and supporting assumptions. In this talk I review BW analysis of identified-hadron spectra from 5 TeV p-Pb collisions and examine the shape evolution of model spectra with collision centrality. I evaluate data-model fit quality using conventional statistical measures. I conclude that the BW model is not a valid data model.

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