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
收藏
页码：184 / 187
页数：4
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