Ratio between π+ π--atom and free π+ π- pair production rates with account of the strong interaction in final states

被引：12
|
作者：
Afanasyev, L [1 ]
Voskresenskaya, O [1 ]
机构：
[1] Joint Inst Nucl Res, Dubna 141980, Moscow Region, Russia
来源：
PHYSICS LETTERS B | 1999年 / 453卷 / 3-4期
基金：
俄罗斯基础研究基金会;
关键词：
pi(+) pi(-)-atom; interaction in final states;
D O I：
10.1016/S0370-2693(99)00347-0
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The ratio of pi(+)pi(-)-atom production rate to free pi(+)pi(-) pairs is obtained with account of the strong interaction in final states in the frame of the perturbation theory. It is shown that this ratio is expressed via a squared ratio of the well-known Coulomb wave functions and thus can be calculated with a high accuracy, (C) 1999 Published by Elsevier Science B.V. All rights reserved.
引用
收藏
页码：302 / 304
页数：3
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