K+-NUCLEON 2-BODY POTENTIAL AND K+-NUCLEUS OPTICAL-POTENTIAL

被引：0

作者：

NING, P

ZHAO, E

LI, P

机构：

[1] NANKAI UNIV,DEPT PHYS,TIANJIN 300071,PEOPLES R CHINA

[2] ACAD SINICA,INST THEORET PHYS,BEIJING 100080,PEOPLES R CHINA

来源：

EUROPHYSICS LETTERS | 1993年 / 21卷 / 09期

关键词：

MESON-INDUCED AND HYPERON-INDUCED REACTIONS AND SCATTERING;

D O I：

10.1209/0295-5075/21/9/004

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The K+-nucleon two-body potential is derived in the framework of the constituent quark model and it may provide reasonable explanation for the large K+-nucleon scattering phase shift of P-wave I = 0, J = 1/2 channel. On the basis of the derived K+-nucleon interaction, the real part of the K+-nucleus optical potential is constructed. Reasonable good agreement between theoretical cross-section and experimental data may be reached by requiring a weak imaginary part of the optical potential, as expected for the K+-nucleus scattering.

引用

页码：897 / 902

页数：6

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