Sideward flow of K+ mesons in Ru plus Ru and Ni plus Ni reactions near threshold

被引：102

作者：

Crochet, P

Herrmann, N

Wisniewski, K

Leifels, Y

Andronic, A

Averbeck, R

Devismes, A

Finck, C

Gobbi, A

Hartmann, O

Hildenbrand, KD

Koczon, P

Kress, T

Kutsche, R

Reisdorf, W

Schüll, D

Alard, JP

Barret, V

Basrak, Z

Bastid, N

Belyaev, I

Bendarag, A

Berek, G

Caplar, R

Cindro, N

Dupieux, P

Dzelalija, M

Eskef, M

Fodor, Z

Grishkin, Y

Hong, B

Kecskemeti, J

Kim, YJ

Kirejczyk, M

Korolija, M

Kotte, R

Kowalczyk, M

Lebedev, A

Lee, KS

Manko, V

Merlitz, H

Mohren, S

Moisa, D

Neubert, W

Nianine, A

Pelte, D

Petrovici, M

Plettner, C

Rami, F

de Schauenburg, B

机构：

[1] Gesell Schwerionenforsch, Darmstadt, Germany

[2] Univ Clermont Ferrand 2, Photochim Mol & Macromol Lab, CNRS, IN2P3,Lab Phys Corpusculaire, F-63177 Clermont Ferrand, France

[3] Univ Blaise Pascal, Clermont Ferrand, France

[4] Univ Heidelberg, Inst Phys, D-6900 Heidelberg, Germany

[5] Warsaw Univ, Inst Expt Phys, Warsaw, Poland

[6] Natl Inst Nucl Phys & Engn, Bucharest, Romania

[7] Rudjer Boskovic Inst, Zagreb, Croatia

[8] Inst Theoret & Expt Phys, Moscow 117259, Russia

[9] KFKI Res Inst Particle & Nucl Phys, Budapest, Hungary

[10] Korea Univ, Seoul 136701, South Korea

[11] Forschungszentrum Rossendorf EV, Dresden, Germany

[12] IV Kurchatov Atom Energy Inst, Moscow 123182, Russia

[13] CNRS, Inst Rech Subaton, IN2P3, Strasbourg, France

[14] Univ Strasbourg 1, Strasbourg, France

来源：

PHYSICS LETTERS B | 2000年 / 486卷 / 1-2期

基金：

匈牙利科学研究基金会;

关键词：

D O I：

10.1016/S0370-2693(00)00712-7

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Experimental data on K+ meson and proton sideward now measured with the FOPI detector at SIS/GSI in the reactions Ru + Ru at 1.69 A GeV and Ni + Ni at 1.93 A GeV are presented. The K+ sideward flow is found to be anti-correlated (correlated) with the one of protons at low (high) transverse momenta. When compared to the predictions of a transport model, the data favour the existence of an in-medium repulsive K+-nucleon potential. (C) 2000 Elsevier Science B.V. All rights reserved.

引用

页码：6 / 12

页数：7

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