Transition from in-plane to out-of-plane azimuthal enhancement in Au plus Au collisions

被引:75
|
作者
Andronic, A
Stoicea, G
Petrovici, M
Simion, V
Crochet, P
Alard, JP
Averbeck, R
Barret, V
Basrak, Z
Bastid, N
Bendarag, A
Berek, G
Caplar, R
Devismes, A
Dupieux, P
Dzelalija, M
Eskef, M
Finck, C
Fodor, Z
Gobbi, A
Grishkin, Y
Hartmann, ON
Herrmann, N
Hildenbrand, KD
Hong, B
Kecskemeti, J
Kim, YJ
Kirejczyk, M
Korolija, M
Kotte, R
Kress, T
Kutsche, R
Lebedev, A
Lee, KS
Leifels, Y
Manko, V
Merlitz, H
Neubert, W
Pelte, D
Plettner, C
Rami, F
Reisdorf, W
de Schauenburg, B
Schüll, D
Seres, Z
Sikora, B
Sim, KS
Siwek-Wilczynska, K
Smolyankin, V
Stockmeier, MR
机构
[1] Natl Inst Phys & Nucl Engn, Bucharest, Romania
[2] KFKI, Res Inst Particle & Nucl Phys, Budapest, Hungary
[3] Univ Blaise Pascal, Clermont Ferrand, France
[4] Gesell Schwerionenforsch mbH, D-6100 Darmstadt, Germany
[5] Forsch Zentrum Rossendorf, Dresden, Germany
[6] Heidelberg Univ, Inst Phys, Heidelberg, Germany
[7] Inst Theoret & Expt Phys, Moscow 117259, Russia
[8] Kurchatov Inst, Moscow, Russia
[9] Korea Univ, Seoul 136701, South Korea
[10] Univ Strasbourg, Strasbourg, France
[11] IN2P3, CNRS, Inst Rech Subatom, Strasbourg, France
[12] Warsaw Univ, Inst Phys Expt, Warsaw, Poland
[13] Rudjer Boskovic Inst, Zagreb, Croatia
基金
匈牙利科学研究基金会;
关键词
NUCLEAR REACTIONS; E=90-400 A MeV; semicentral collisions; flow angle; azimuthal distributions; transition energy; quantum molecular dynamics model; nuclear matter Equation of State;
D O I
10.1016/S0375-9474(00)00377-8
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 incident energy at which the azimuthal distributions in semicentral heavy-ion collisions change from in-plane to out-of-plane enhancement - E-tran is studied as a function of mass of emitted particles, their transverse momentum and centrality for Au + Au collisions. The analysis is performed in a reference frame rotated with the sidewards flow angle (Theta (flow)) relative to the beam axis. A systematic decrease of E-tran as function of mass of the reaction products, their transverse momentum and collision centrality is evidenced. The predictions of a microscopic transport model (IQMD) are compared with the experimental results. (C) 2001 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:765 / 792
页数:28
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