The role of nucleon recoil in low-energy antikaon-deuteron scattering

被引：33

作者：

Baru, V. ^{[1
,2
,5
]}

Epelbaum, E. ^{[1
,3
,4
,5
]}

Rusetsky, A. ^{[3
,4
]}

机构：

[1] Forschungszentrum Julich, Inst Kernphys Theorie, D-52425 Julich, Germany

[2] Inst Theoret & Expt Phys, Moscow 117218, Russia

[3] Univ Bonn, Helmholtz Inst Strahlen & Kernphys Theorie, D-53115 Bonn, Germany

[4] Univ Bonn, Bethe Ctr Theoret Phys, D-53115 Bonn, Germany

[5] Julich Ctr Hadron Phys, D-52425 Julich, Germany

来源：

EUROPEAN PHYSICAL JOURNAL A | 2009年 / 42卷 / 01期

基金：

美国国家科学基金会;

关键词：

EFFECTIVE-FIELD THEORY; DA-PHI-NE; CHIRAL DYNAMICS; KAONIC HYDROGEN; HADRONIC ATOMS; LENGTH; THRESHOLD; SYSTEMS;

D O I：

10.1140/epja/i2009-10845-y

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 the nucleon recoil for the antikaon-deuteron scattering is investigated in the framework of the effective field theory. In particular, we concentrate on the calculation of the nucleon recoil effect for the double-scattering process. It is shown that the leading correction to the static term that emerges at order xi(1/2) with xi = M-K/m(N) vanishes due to a complete cancellation of individually large contributions. The resulting recoil effect in this process is found to be of the order of 10-15% as compared to the static term. We also briefly discuss the application of the method in the calculations of the multiple-scattering diagrams.

引用

页码：111 / 120

页数：10

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