ANALYTICAL ON-SHELL QED RESULTS - 3-LOOP VACUUM POLARIZATION, 4-LOOP BETA-FUNCTION AND THE MUON ANOMALY

被引：65

作者：

BROADHURST, DJ

KATAEV, AL

TARASOV, OV

机构：

[1] CERN,DIV THEORY,CH-1211 GENEVA 23,SWITZERLAND

[2] UNIV BIELEFELD,FAK PHYS,W-4800 BIELEFELD 1,GERMANY

来源：

PHYSICS LETTERS B | 1993年 / 298卷 / 3-4期

关键词：

D O I：

10.1016/0370-2693(93)91849-I

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present the results of analytical calculations of the 3-loop contributions to the asymptotic photon vacuum polarization function, in the on-shell scheme, and of the 4-loop contributions to the on-shell QED beta-function. These are used to evaluate various 4-loop and 5-loop contributions to the muon anomaly. Our analytical contributions to (g - 2)mu differ significantly from previous numerical results. A very recent numerical re-evaluation of 4-loop muonanomaly contributions has yielded results much closer to ours.

引用

页码：445 / 452

页数：8

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