Flow systematics from SIS to SPS energies

被引：167

作者：

Ollitrault, JY ^{[1
]}

机构：

[1] Ctr Etud Saclay, Serv Phys Theor, F-91191 Gif Sur Yvette, France

来源：

NUCLEAR PHYSICS A | 1998年 / 638卷 / 1-2期

关键词：

D O I：

10.1016/S0375-9474(98)00413-8

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

The various flow phenomena observed at energies between 50 AMeV and 160 AGeV are reviewed. I first define three types of flow: directed flow and elliptic flow, which are the two first Fourier components of the azimuthal distribution in non-central collisions; radial flow, which is deduced from an analysis of transverse momentum spectra in central collisions. Then, I review the observations of directed flow and elliptic flow, with emphasis on recent results. I discuss their dependence on various parameters: global geometry (impact parameter, mass numbers of colliding nuclei and bombarding energy) and individual observables (rapidity, transverse momentum and particle type). Finally, I explain how azimuthal distributions can be measured experimentally.

引用

页码：195C / 206C

页数：12

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