Perturbation theory for the π+π− atom

被引：0
|
作者：
V. E. Lyubovitskij
E. Z. Lipartia
A. G. Rusetsky
机构：
[1] Bogoliubov Laboratory of Theoretical Physics,
[2] JINR,undefined
[3] Laboratory for Computational Technique and Automation,undefined
[4] JINR,undefined
[5] IHEP,undefined
[6] Tbilisi State University,undefined
来源：
Journal of Experimental and Theoretical Physics Letters | 1997年 / 66卷
关键词：
36.10.Gv; 31.15.Md;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A perturbation-theory framework is developed for calculation of the characteristics of the atom π +π− on the basis of the field-theoretic Bethe-Salpeter approach. A closed expression is obtained for the first-order correction to the lifetime of the π+π− atom.
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页码：783 / 788
页数：5
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