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引用次数: 1
摘要
我们回顾了RHIC PHOBOS实验在√s NN =200 GeV下的d+Au和Au+Au碰撞中已识别和未识别的粒子光谱的一些最新结果。在极低PT下没有观察到强子产率的增强。d+Au和Au+Au碰撞的高pt光谱分析揭示了中心Au+Au碰撞的强终态效应。PHOBOS飞行时间(ToF)探测器首次测量了d+Au碰撞的粒子光谱和粒子比。关于横向动量谱中心性和伪快度依赖性的详细结果,可能具有重要的物理意义。也显示。
Hadron Pt spectra from 0.03 to 6 GeV/c from PHOBOS
We review some of the latest results on identified and non-identified particle spectra for d+Au and Au+Au collisions at √s NN =200 GeV from the PHOBOS Experiment at RHIC. No enhancement of hadron yields at very low PT is observed. Analysis of the high-PT spectra in d+Au and Au+Au collisions reveal the strong final state effects for central Au+Au collisions. The first measurements of identified particle spectra and particle ratios from the PHOBOS Time of Flight (ToF) detector are presented for d+Au collisions. Detailed results on centrality and pseudorapidity dependence of transverse momentum spectra, which may have important physics implications. are also shown.