2-RHO EXCHANGE CONTRIBUTION TO THE PION-NUCLEON SCATTERING LENGTHS

被引：0

作者：

SCHULZE, HJ ^{[1
]}

机构：

[1] KFA JULICH,FORSCHUNGSZENTRUM JULICH,INST KERNPHYS,D-52428 JULICH,GERMANY

来源：

JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS | 1994年 / 20卷 / 08期

关键词：

D O I：

10.1088/0954-3899/20/8/018

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

The effect of two-rho exchange to the pion-nucleon scattering lengths is calculated to leading order in m(pi). It is shown that the contribution to a+ and a- is of order m(pi)2 and m(pi)3, respectively.

引用

页码：1283 / 1286

页数：4

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