DEUTERON FLOW IN ULTRARELATIVISTIC HEAVY-ION REACTIONS

被引：69

作者：

MATTIELLO, R

JAHNS, A

SORGE, H

STOCKER, H

GREINER, W

机构：

[1] Institut für Theoretische Physik, J. W. Goethe Universität

来源：

PHYSICAL REVIEW LETTERS | 1995年 / 74卷 / 12期

关键词：

D O I：

10.1103/PhysRevLett.74.2180

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Deuteron momentum distributions are predicted for nucleus-nucleus reactions at beam energies of (1015) A GeV. The deuteron transverse momentum spectra exhibit a pronounced shoulder-arm shape deviating markedly from thermal distributions due to collective transverse nuclear flow. A clear bounceoff event shape is seen for protons and deuterons: The transverse momentum components in the reaction plane are for deuterons up to a factor of 2 larger than for protons. The strength of the collective matter flow is sensitive to the type of baryon potential interaction employed. This allows the study of the transient mean fields at high density in these reactions via the event shape analysis of nucleons and nucleon clusters. © 1995 The American Physical Society.

引用

页码：2180 / 2183

页数：4

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