Analysis of (π±, K+) and (K-, K+) hypernuclear production spectra in distorted-wave impulse approximation

被引：16

作者：

Maekawa, H. ^{[1
]}

Tsubakihara, K. ^{[1
]}

Ohnishi, A. ^{[1
]}

机构：

[1] Hokkaido Univ, Dept Phys, Fac Sci, Sapporo, Hokkaido 0600812, Japan

来源：

EUROPEAN PHYSICAL JOURNAL A | 2007年 / 33卷 / 03期

关键词：

D O I：

10.1140/epja/i2007-10479-1

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：

We study the hyperon-nucleus potential with distorted-wave impulse wave approximation (DWIA) using the Green's function method. In order to include the nucleon and hyperon potential effects in Fermi averaging, we introduce the local optimal momentum approximation of target nucleons. We can describe the quasi-free Lambda, Sigma and Xi production spectra in a better way than in the standard Fermi-averaged t-matrix treatments.

引用

页码：269 / 272

页数：4

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