Fourth-Order Electrodynamic Corrections to the Lamb Shift

被引：60

作者：

Appelquist, Thomas ^{[1
]}

Brodsky, Stanley J. ^{[1
]}

机构：

[1] Stanford Univ, Stanford Linear Accelerator Ctr, Stanford, CA 94305 USA

来源：

PHYSICAL REVIEW A-GENERAL PHYSICS | 1970年 / 2卷 / 06期

关键词：

D O I：

10.1103/PhysRevA.2.2293

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The fourth-order radiative correction to the slope at q(2) = 0 of the Dirac form factor of the free-electron vertex Is calculated using computer techniques. The result m(2)partial derivative F(1)((4))(0)/partial derivative q(2) = (alpha/pi)(2) (0.48 +/- 0.07) disagrees with previous calculations and implies a new theoretical value for the order alpha(2) (Z alpha)(4)mc(2) contribution to the Lamb shift. The new values for the 2S(1/2) - 2P(1/2) separation in H and D are increased by 0. 35 +/- 0. 07 MHz and are in good agreement with the results of recent experiments.

引用

页码：2293 / 2303

页数：11

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