Calculation of the positronium hyperfine interval using the Bethe-Salpeter formalism

被引：11

作者：

Adkins, GS ^{[1
]}

Fell, RN

Mitrikov, PM

机构：

[1] Franklin & Marshall Coll, Lancaster, PA 17604 USA

[2] Brandeis Univ, Waltham, MA 02254 USA

来源：

PHYSICAL REVIEW A | 2002年 / 65卷 / 04期

关键词：

D O I：

10.1103/PhysRevA.65.042103

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We use a variation of the Bethe-Salpeter equation to complete the calculation of the one-photon annihilation contribution to the hyperfine interval of positronium at order malpha(6). Our results are in accord with a quite different calculation independently done using an effective field theory approach. This completes the evaluation of all the malpha(6) terms. We give the total theoretical value for this interval and compare with experiment.

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收藏

页码：421031 / 4210332

页数：32

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