K+ emission in symmetric heavy ion reactions at subthreshold energies

被引：45

作者：

Elmer, R

Berg, M

Carlen, L

Jakobsson, B

Noren, B

Oskarsson, A

Ericsson, G

Julien, J

Thorsteinsen, TF

Guttormsen, M

Lovhoiden, G

Bellini, V

Grosse, E

Muntz, C

Senger, P

Westerberg, L

机构：

[1] UNIV UPPSALA, DEPT NEUTRON SCI, S-75121 UPPSALA, SWEDEN

[2] CENS, DEPT PHYS NUCL, F-91191 GIF SUR YVETTE, FRANCE

[3] UNIV BERGEN, DEPT PHYS, N-5000 BERGEN, NORWAY

[4] UNIV OSLO, DEPT PHYS, N-0316 OSLO, NORWAY

[5] IST FIS NUCL, I-95129 CATANIA, ITALY

[6] GESELL SCHWERIONENFORSCH MBH, D-6100 DARMSTADT, GERMANY

[7] UNIV UPPSALA, SVEDBERG LAB, S-75121 UPPSALA, SWEDEN

来源：

PHYSICAL REVIEW LETTERS | 1996年 / 77卷 / 24期

关键词：

D O I：

10.1103/PhysRevLett.77.4884

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Subthreshold K+ production cross sections have been measured in symmetric Ne + NaF, Ni + Ni, and Au + Au collisions at 1.0A GeV. The mass dependence is strong, close to A(2). The angular distributions are nonisotropic in the center-of-mass system. Introducing rescattering seems to explain this effect to a large extent.

引用

页码：4884 / 4886

页数：3

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