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

页码：302 / 304

页数：3

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