SUBTHRESHOLD ANTIPROTON PRODUCTION IN HEAVY-ION COLLISIONS

被引：1

作者：

SCHROTER, A

BERDERMANN, E

GILLITZER, A

HOMOLKA, J

KIENLE, P

KOENIG, W

POVH, B

SCHUMACHER, F

STROHER, H

机构：

[1] TECH UNIV MUNICH, W-8046 GARCHING, GERMANY

[2] MAX PLANCK INST NUCL PHYS, W-6900 HEIDELBERG 1, GERMANY

[3] UNIV GIESSEN, W-6300 GIESSEN, GERMANY

来源：

PHYSICA SCRIPTA | 1993年 / 48卷 / 02期

关键词：

D O I：

10.1088/0031-8949/48/2/012

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We measured cross sections for production of antiprotons, K- and pi-mesons at theta(lab) = 0-degrees in nucleus-nucleus collisions for the systems Ne + NaF, Ne + Cu, Ne + Sn, Ne + Bi and for Ni + Ni, using Ne-20 and Ni-58 beams for the heavy ion synchrotron (SIS) at GSI with incident energies between 1.6 and 2.0 GeV/u. This energy range is far below the threshold for the production of antiprotons in free nucleon-nucleon collisions of 5.6GeV/u. The dependency on the incident energy, the size of the system and the momentum of the detected particle are discussed.

引用

页码：184 / 187

页数：4

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