POSSIBLE WAY OUT OF THE (P,N) PUZZLE

被引：1

作者：

ERICSON, M ^{[1
]}

机构：

[1] CERN, DIV THEORET PHYS, CH-1211 GENEVA 23, SWITZERLAND

来源：

PHYSICAL REVIEW C | 1994年 / 49卷 / 05期

关键词：

D O I：

10.1103/PhysRevC.49.R2293

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 off-shell expansion of the s-wave piN amplitude suggests that the s-wave interaction of space-like pions with the nuclear medium is appreciably repulsive. This has consequences for the experiments aimed at the exploration of the spin longitudinal response or of the pion excess in nuclei. It may offer in particular an explanation for the (p, n) puzzle where the attraction from the pion exchange force has failed to appear.

引用

页码：R2293 / R2296

页数：4

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