OUT-OF-PLANE PION EMISSION IN RELATIVISTIC HEAVY-ION COLLISIONS - SPECTROSCOPY OF DELTA-RESONANCE MATTER

被引：53
|
作者：
BASS, SA
HARTNACK, C
STOCKER, H
GREINER, W
机构：
[1] GESELL SCHWERIONENFORSCH MBH, W-6100 DARMSTADT, GERMANY
[2] LAB PHYS NUCL, NANTES, FRANCE
来源：
PHYSICAL REVIEW LETTERS | 1993年 / 71卷 / 08期
关键词：
D O I：
10.1103/PhysRevLett.71.1144
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Azimuthal correlations of pions are studied with the quantum molecular dynamics model. Pions are preferentially emitted perpendicular to the reaction plane. Our analysis shows that this anisotropy is dominated by pion absorption on the spectator matter in the reaction plane. Pions emitted perpendicular to the reaction plane undergo less rescattering than those emitted in the reaction plane and might therefore be more sensitive to the early hot and dense reaction phase.
引用
收藏
页码：1144 / 1147
页数：4
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