Kaon-nucleon scattering lengths from kaonic deuterium experiments

被引：68
|
作者：
Meissner, U. -G.
Raha, U.
Rusetsky, A.
机构：
[1] Univ Bonn, Helmholtz Inst Strahlen & Kernphys Theorie, D-53115 Bonn, Germany
[2] Forschungszentrum Julich, Inst Kernphys Theorie, D-52425 Julich, Germany
[3] Tbilisi State Univ, Inst High Energy Phys, GE-380086 Tbilisi, Georgia
来源：
EUROPEAN PHYSICAL JOURNAL C | 2006年 / 47卷 / 02期
关键词：
D O I：
10.1140/epjc/s2006-02578-6
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
The extraction of the S-wave kaon-nucleon scattering lengths a(0) and a(1) from a combined analysis of existing kaonic hydrogen and synthetic deuterium data has been carried out within the framework of a low-energy effective field theory. It turns out that with the present DEAR central values for the kaonic hydrogen ground-state energy and width, a solution for a(0) and a(1) exists only in a restricted domain of input values for the kaon-deuteron scattering length. Consequently, measuring this scattering length imposes stringent constraints on the theoretical description of the kaon-deuteron interactions at low energies, if supplemented with DEAR data on kaonic hydrogen.
引用
收藏
页码：473 / 480
页数：8
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