Repulsive short-range three-nucleon interaction

被引：39
|
作者：
Coon, SA
Pena, MT
Riska, DO
机构：
[1] INST SUPER TECN, P-1096 LISBON, PORTUGAL
[2] CTR FIS NUCL, P-1699 LISBON, PORTUGAL
[3] UNIV HELSINKI, DEPT PHYS, SF-00014 HELSINKI, FINLAND
来源：
PHYSICAL REVIEW C | 1995年 / 52卷 / 06期
关键词：
D O I：
10.1103/PhysRevC.52.2925
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 three-nucleon interaction that is implied by the pion and the effective scalar and vector meson exchange components of the nucleon-nucleon interaction arises from the excitation of intermediate nucleon-antinucleon pairs. Using several wave-function models we show that this interaction is repulsive, reducing the calculated binding energy of the trinucleons by about 200-300 keV. The contributions of intermediate N(1440) resonances (and the same meson exchanges) to this three-nucleon interaction are also estimated and shown to be small.
引用
收藏
页码：2925 / 2935
页数：11
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