Nucleon recoil for low-energy antikaon-deuteron scattering

被引：0
|
作者：
Baru, V. [1 ,2 ,3 ]
Epelbaum, E. [2 ,4 ]
Rusetsky, A. [4 ]
机构：
[1] Forschungszentrum Julich, Inst Kernphys Theorie, D-52425 Julich, Germany
[2] Julich Ctr Hadron Phys, D-52425 Julich, Germany
[3] ITEP, Moscow 117218, Russia
[4] Univ Bonn, Helmholtz Inst Strahlen & Kernphys Theorie, D-53115 Bonn, Germany
来源：
HYPERFINE INTERACTIONS | 2009年 / 193卷 / 1-3期
关键词：
Kaonic atoms; EFT; Nucleon recoil; EFFECTIVE-FIELD THEORY; LENGTH; THRESHOLD; ATOMS;
D O I：
10.1007/s10751-009-0065-y
中图分类号：
O64 [物理化学（理论化学）、化学物理学]; O56 [分子物理学、原子物理学];
学科分类号：
070203 ; 070304 ; 081704 ; 1406 ;
摘要：
The effect of the nucleon recoil for antikaon-deuteron scattering is studied in the framework of effective field theory. In particular, we performed a 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), where xi = m(K)/M-N, vanishes due to a complete cancellation of individually large terms. The resulting recoil effect for the double scattering process is found to be of order of 10-15% compared to the static term. We also developed a method to include the nucleon recoil effect in the calculation of the multiple scattering diagrams.
引用
收藏
页码：53 / 59
页数：7
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